<div dir="ltr"><div style="font-family:arial,sans-serif;font-size:small" class="gmail_default"><font size="4"><span style="font-family:georgia,serif"></span></font><font size="4"><span style="font-family:georgia,serif"><em>AMSAT </em>News Service</span></font>
<h3><font size="4"><span style="font-family:georgia,serif"><strong>ANS-123</strong> <strong>May 3, 2026</strong></span></font></h3>
<p><font size="4"><span style="font-family:georgia,serif">In this edition:</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">* Reminder: AMSAT at Hamvention <br>* FO-29 Update <br>* FCC Approves Limited Emergency Use of 70cm Band by AST SpaceMobile Satellites Outside the U.S.<br>* Saudi Amateur Radio Society Sponsors Satthon_2 <br>* Request For Collecting CW Data of ARICA-2 <br>* NASA Completes Nancy Grace Roman Space Telescope <br>* SpaceX Rocket Debris to Impact The Moon <br>* Changes to AMSAT-NA TLE Distribution <br>* Artemis 2 Moon Astronauts Visit the White House <br>* ARISS News <br>* AMSAT Ambassador Activities <br>* Satellite Shorts From All Over</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">The AMSAT® News Service bulletins are a free, weekly news and
information service of AMSAT, The Radio Amateur Satellite Corporation.
ANS publishes news related to Amateur Radio in Space including reports
on the activities of a worldwide group of Amateur Radio operators who
share an active interest in designing, building, launching and
communicating through analog and digital Amateur Radio satellites.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">The news feed on <a href="https://www.amsat.org">https://www.amsat.org</a> publishes news of Amateur Radio in Space as soon as our volunteers can post it.</span></font></p>
<p><font size="4"><strong style="font-family:georgia,serif">Please send any amateur satellite news or reports to: ans-editor [at] <a href="http://amsat.org">amsat.org</a></strong></font></p>
<p><font size="4"><span style="font-family:georgia,serif">You can sign up for free e-mail delivery of the AMSAT News Service Bulletins via the ANS List; to join this list see: <a href="https://mailman.amsat.org/postorius/lists/ans.amsat.org/">https://mailman.amsat.org/postorius/lists/ans.amsat.org/</a></span></font></p>
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<h2><font size="6"><span style="font-family:georgia,serif">Reminder: AMSAT at Hamvention</span></font></h2>
<p><font size="4"><span style="font-family:georgia,serif">The 2026 Dayton Hamvention will be held Friday through Sunday, May
15–17, 2026, at the Greene County Fairgrounds in Xenia, Ohio. AMSAT will
once again have a strong presence throughout the event, including booth
activities, social gatherings, and the annual AMSAT Forum.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">The 17th annual TAPR/AMSAT Banquet will be held Friday, May 15 at
6:30 p.m. EDT (18:30 EDT) at the Kohler Presidential Banquet Center,
4548 Presidential Way, Kettering, Ohio 45429, located approximately 20
minutes from the Greene County Fairgrounds. This dinner is a highlight
of the TAPR (Tucson Amateur Packet Radio) and AMSAT (Radio Amateur
Satellite Corporation) activities during Hamvention.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">Ray Roberge, WA1CYB, will be the speaker at the 17th annual
AMSAT/TAPR Banquet. Roberge, a member of AMSAT’s Engineering team, will
speak about progress on AMSAT’s SDR Gen2 project, including what it does
and where it can be used.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">Tickets are $75 each and may be purchased through the AMSAT store. <strong>The
deadline to purchase banquet tickets is Monday, May 11 at 17:00 EDT
(21:00 UTC). Tickets must be purchased in advance and will not be sold
at the AMSAT booth or at the door.</strong> There will be no tickets
available for pickup at the AMSAT booth. Tickets purchased online will
be maintained on a list, with check-in at the door at the banquet
center. Seating is limited to the number of meals reserved with the
Kohler caterers based on ticket sales by the deadline.</span></font></p><p style="text-align:center"><font size="4"><span style="font-family:georgia,serif"> <img class="gmail-aligncenter gmail-wp-image-64087 gmail-size-medium" src="https://www.amsat.org/wordpress/wp-content/uploads/2026/03/lE-9Rklt_400x400-300x300.jpg" alt="" width="300" height="300"> </span></font></p><p><font size="4"><span style="font-family:georgia,serif">The annual AMSAT “Dinner at Tickets” gathering will take place
Thursday, May 14 from 6:00 p.m. to 8:00 p.m. EDT at Tickets Pub &
Eatery, 7 W. Main Street, Fairborn, Ohio 45324. Telephone (937)
878-9022. This informal event features no program or speaker, offering
an opportunity for conversation and camaraderie. All are welcome,
regardless of participation in booth setup or operations. Food may be
ordered from the menu, and drinks, including beer, wine, sodas, and iced
tea, are available at the bar. No reservations are required.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">AMSAT is seeking volunteers to assist at the AMSAT booth, located in
Building 1, booths 1007–1010 and 1107–1110. Volunteers are encouraged to
contribute as much time as they are able, whether for a few hours or
the entire weekend. In 2025, approximately 20 volunteers supported
AMSAT’s activities and engagement with attendees.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">Those interested in volunteering or requesting additional information
may contact Phil Smith, W1EME, AMSAT Hamvention Team Leader, via email
at w1eme [at] <a href="http://astrocom.net">astrocom.net</a>. Volunteer participation plays an important
role in supporting AMSAT’s presence and outreach within the amateur
radio community.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">The AMSAT Forum will be held Saturday, May 16 from 1:50 p.m. to 3:10 p.m. EDT in Forum Room 2.</span></font></p>
<p><font size="4"><em style="font-family:georgia,serif">[ANS thanks the AMSAT Hamvention team for the above information.]</em></font></p>
<hr>
<h2 style="text-align:center"><font size="4"><em style="font-family:georgia,serif"><strong>LIMITED TIME OFFER!!!</strong></em></font></h2>
<p style="text-align:center"><font size="4"><strong style="font-family:georgia,serif">AMSAT is offering a limited-time promotion for new and renewing members that includes a free digital copy of <em>Getting Started with Amateur Satellites</em>. The promotion is being offered as AMSAT begins the 2026 membership year.</strong></font></p>
<p style="text-align:center"><font size="4"><span style="font-family:georgia,serif"><img class="gmail-aligncenter gmail-size-medium gmail-wp-image-63330" src="https://www.amsat.org/wordpress/wp-content/uploads/2026/01/Getting-Started-with-Amateur-Satellites-1336x1336-1-300x300.jpg" alt="Getting Started" width="300" height="300"></span></font></p>
<p style="text-align:center"><font size="4"><strong style="font-family:georgia,serif">Anyone who joins or renews their
AMSAT membership during the promotional period will receive a download
link for the latest edition of <em>Getting Started with Amateur Satellites</em> in their membership confirmation email. JOIN TODAY at <a href="https://launch.amsat.org/">https://launch.amsat.org/</a> (Remember! Students join for FREE!)</strong></font></p>
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<h2 style="text-align:left"><font size="6"><span style="font-family:georgia,serif">FO-29 Update</span></font></h2>
<p style="text-align:left"><font size="4"><span style="font-family:georgia,serif">Fuji-OSCAR 29 (FO-29 / JAS-2), the
long-lived Japanese amateur radio satellite launched in 1996, continues
to operate its V/U inverting analog linear transponder under the control
of the Japan Amateur Radio League (JARL). Because the onboard batteries
have failed years ago, the satellite depends entirely on solar power
and can only function when its solar panels are illuminated.</span></font></p>
<p style="text-align:left"><font size="4"><strong style="font-family:georgia,serif">Current Status (May 2026)</strong></font></p>
<p style="text-align:left"><font size="4"><span style="font-family:georgia,serif">FO-29 entered a full-sunlight orbit in
early March 2026 and lasted approximately 40 days. This continuous
operation ended around April 21, 2026, after which the satellite entered
an eclipse period for about one month.</span></font></p>
<p style="text-align:left"><font size="4"><span style="font-family:georgia,serif">A second, longer full-sunlight period is
expected from approximately May 20 to mid-November 2026, during which
continuous operation should resume.</span></font></p>
<p style="text-align:left"><font size="4"><strong style="font-family:georgia,serif">Transponder Details</strong></font></p>
<p style="text-align:left;padding-left:40px"><font size="4"><span style="font-family:georgia,serif">Mode: V/U inverting linear transponder (SSB and CW only) <br>Uplink: 145.900 – 146.000 MHz (LSB) <br>Downlink: 435.800 – 435.900 MHz (USB) <br>CW Beacon: 435.795 MHz (typically 100 mW) <br>Digitalker: 435.910 MHz FM (rarely activated) <br>The digital BBS (1k2/9k6) remains non-operational.</span></font></p>
<h3 style="text-align:left"><font size="4"><span style="color:rgb(255,0,0);font-family:georgia,serif"><strong>Important Restriction: <br><em>Digital modes are generally </em>NOT<em> permitted on the FO-29 linear transponder due to licensing and operational constraints.</em></strong></span></font></h3>
<p style="text-align:left"><font size="4"><strong style="font-family:georgia,serif">Operating Procedure</strong></font></p>
<p style="text-align:left"><font size="4"><span style="font-family:georgia,serif">During eclipse periods (or the transition
out of full sunlight), the JARL control team sends specific commands to
activate the transponder at designated UTC times. If the transponder
does not turn on within about 2 minutes of the command start, the team
terminates the attempt.</span></font></p>
<p style="text-align:left"><font size="4"><span style="font-family:georgia,serif">During confirmed full-sunlight periods, no
regular command schedule is needed — the transponder stays active
whenever the satellite is in sunlight.</span></font></p>
<p style="text-align:left"><font size="4"><span style="font-family:georgia,serif">Operators should always check real-time
status via AMSAT Live Satellite Status, OSCAR Status pages, or recent
community reports, as voltage instability in the aging satellite can
occasionally cause unexpected behavior.</span></font></p>
<p style="text-align:left"><font size="4"><span style="font-family:georgia,serif">The scheduled activations for the eclipse period are:</span></font></p>
<p style="text-align:left"><font size="4"><strong style="font-family:georgia,serif">May</strong></font></p>
<p style="text-align:left"><font size="4"><span style="font-family:georgia,serif">1st 22:56~ <br>2nd 22:00~ <br>3rd 22:51~ <br>4th 21:55~ <br>5th 22:45~ <br>6th 21:50~ <br>7th 22:40~ <br>8th 21:44~ <br>9th 22:35~ <br>15th 22:19~ <br>16th 23:10~</span></font></p>
<p style="text-align:left"><font size="4"><strong style="font-family:georgia,serif">Amateurs are reminded to:</strong></font></p>
<ul><li style="text-align:left"><font size="4"><span style="font-family:georgia,serif">Use proper Doppler correction.</span></font></li><li style="text-align:left"><font size="4"><span style="font-family:georgia,serif">Follow linear transponder etiquette (listen before transmitting, keep signals clean).</span></font></li><li style="text-align:left"><font size="4"><span style="font-family:georgia,serif">Limit uplink power to avoid overloading the transponder (typically no more than a few watts with a modest antenna).</span></font></li></ul>
<p style="text-align:left"><font size="4"><span style="font-family:georgia,serif">The JARL page provides the detailed
historical and upcoming command schedules for eclipse periods across
2025–2026. For the absolute latest status and any updates from the
Japanese control team, monitor the official JARL FO-29 page, AMSAT.org,
and AMSAT bulletins.</span></font></p>
<p style="text-align:left"><font size="4"><span style="font-family:georgia,serif">FO-29’s continued operation nearly 30 years
after launch remains a testament to robust engineering and the
dedication of the JARL team.</span></font></p>
<p style="text-align:left"><font size="4"><em style="font-family:georgia,serif">[ANS thanks JARL for the above information.]</em></font></p>
</div>
</div>
<hr>
<p style="text-align:center"><font size="4"><span style="font-family:georgia,serif"><strong>The 2026 President’s Club Coin is Here!</strong> <strong>Help Support GOLF and FoxPlus.<br>Annual memberships start at only $120<br></strong></span></font></p>
<p style="text-align:center"><font size="4"><span style="font-family:georgia,serif"><img class="gmail-aligncenter gmail-size-medium gmail-wp-image-63195" src="https://www.amsat.org/wordpress/wp-content/uploads/2026/01/PC-2026-Coin-2S-Color-1-300x152.jpg" alt="Presidents' Club 2026 Coin" width="300" height="152"> <br><strong>Join the AMSAT President’s Club today <br></strong><strong>and help</strong> <strong>Keep Amateur Radio in Space!<br></strong> <a href="https://www.amsat.org/join-the-amsat-presidents-club/" target="_blank" rel="noreferrer noopener"><strong>https://www.amsat.org/join-the-amsat-presidents-club/</strong></a></span></font></p>
<hr>
<h2><font size="6"><span style="font-family:georgia,serif">FCC Approves Limited Emergency Use of 70cm Band by AST SpaceMobile Satellites Outside the U.S.</span></font></h2>
<p><font size="4"><span style="font-family:georgia,serif">The Federal Communications Commission (FCC) has granted AST
SpaceMobile limited authorization when not over the United States to use
five 50-kHz channels in the 430–440 MHz secondary amateur band for
emergency Telemetry, Tracking, and Control (TT&C) operations for its
planned satellite constellation (<a href="https://www.fcc.gov/document/fcc-authorizes-ast-provide-supplemental-coverage-space">DA-26-391 Docket No. 25-201</a>).
The authorization, granted on April 21, 2026, applies only for
communication with five specified earth stations, each located well
outside of the United States and for which the foreign administration
with jurisdiction also must separately authorize the communications.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">More than 2,500 comments were filed during the proceeding including
filings from ARRL and other member societies of the International
Amateur Radio Union (IARU), AMSAT, and individual radio amateurs
worldwide.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">After considering the filed comments, the FCC narrowed the requested
authorization to emergency TT&C only and further provided that:</span></font></p>
<ul><li><font size="4"><span style="font-family:georgia,serif">Use of these frequencies is permitted only in emergencies when no other spectrum is available</span></font></li><li><font size="4"><span style="font-family:georgia,serif">Each emergency event is limited to no more than 24 hours</span></font></li><li><font size="4"><span style="font-family:georgia,serif">Transmissions are restricted to five specific center frequencies
(430.5, 432.3, 434.1, 435.9, and 439.5 MHz), each with no more than 50
kHz bandwidth</span></font></li></ul>
<p><font size="4"><span style="font-family:georgia,serif">In an April 29, 2026 <a href="https://www.iaru.org/fcc-approves-ast-space-mobiles-license-for-emergency-ttc-operations-in-the-430-440-mhz-amateur-radio-band-outside-the-us/">statement</a>,
the IARU expressed concern with the FCC’s use of Article 4.4 of the ITU
Radio Regulations, which allows administrations to authorize
non-standard frequency use under certain conditions. The IARU stated
that other frequency bands allocated for satellite TT&C should have
been used instead of amateur spectrum and encouraged amateurs to report
any interference to their national regulators.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">ARRL filed comments (see ARRL News) in July (<a href="https://arrl.informz.net/z/cjUucD9taT0zNjE2MzUxJnA9MSZ1PTUyMDUxODk2NCZsaT00Mjc1MzQ0MQ/index.html">PDF</a>) and August 2025 (<a href="https://arrl.informz.net/z/cjUucD9taT0zNjE2MzUxJnA9MSZ1PTUyMDUxODk2NCZsaT00Mjc1MzQ0Mg/index.html">PDF</a>) opposing the application, arguing that:</span></font></p>
<ul><li><font size="4"><span style="font-family:georgia,serif">The request represented an unprecedented use of secondary amateur
spectrum for an unallocated use by a large commercial satellite
constellation</span></font></li><li><font size="4"><span style="font-family:georgia,serif">Such operations could cause harmful interference, particularly to amateur satellites in the 435–438 MHz subband</span></font></li><li><font size="4"><span style="font-family:georgia,serif">The FCC should avoid authorizing non-allocated uses that could
impact primary allocations for amateur services in other countries</span></font></li></ul>
<p><font size="4"><span style="font-family:georgia,serif">While the FCC ultimately granted the authorization, it imposed the
above significant limitations in response to these concerns that reduce
the likelihood of interference.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">In the U.S., reports of suspected interference to amateur spectrum
can be shared with the ARRL Regulatory Information Manager, email <a href="mailto:reginfo@arrl.org">reginfo@arrl.org</a>.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">ARRL will oppose any similar unallocated uses of spectrum used by
amateurs that might cause harmful interference to amateur services and
in particular will monitor this situation.</span></font></p>
<p><font size="4"><em style="font-family:georgia,serif">[ANS thanks ARRL News for the above information.]</em></font></p>
<hr>
<h2><font size="6"><span style="font-family:georgia,serif">Saudi Amateur Radio Society Sponsors Satthon_2</span></font></h2>
<p><font size="4"><span style="font-family:georgia,serif">The Saudi Amateur Radio Society, in collaboration with AMSAT-HZ, has
announced the launch of the second edition of Satthon_2, as part of its
national initiatives specialized in satellite communications. The
competition aims to develop national talent in satellite communication
technologies through hands-on training in receiving, analyzing, and
decoding satellite signals across various formats. It also focuses on
empowering university students by bridging academic knowledge with
real-world application, while fostering innovation and teamwork skills.</span></font></p><p style="text-align:center"><font size="4"><span style="font-family:georgia,serif"> <img class="gmail-aligncenter gmail-size-medium gmail-wp-image-64451" src="https://www.amsat.org/wordpress/wp-content/uploads/2026/04/satthon2-290x300.jpg" alt="" width="290" height="300"> </span></font></p><p><font size="4"><span style="font-family:georgia,serif">The competition will take place from May 8 to 10, 2026, in a team-based format, and includes two categories:</span></font></p>
<ul><li><font size="4"><span style="font-family:georgia,serif">University Students</span></font></li><li><font size="4"><span style="font-family:georgia,serif">Professionals and Amateur Radio Operators</span></font></li></ul>
<p><font size="4"><span style="font-family:georgia,serif">Cash prizes will be awarded to the top three winners in each
category, in addition to participation certificates and volunteer hours.
Registration: <a href="https://lnkd.in/d2PfhbUh">https://lnkd.in/d2PfhbUh</a> <em>[ANS thanks Samir Khayat, HZ1SK, Saudi Amateur Radio Society, for the above information.]</em></span></font></p>
<hr>
<p style="text-align:center"><font size="4"><span style="font-family:georgia,serif"><strong>Need new satellite antennas?</strong> <br><strong>Purchase M2 LEO-Packs from the AMSAT Store.</strong></span></font></p>
<p style="text-align:center"><font size="4"><a href="https://www.amsat.org/ans-007-amsat-news-service-weekly-bulletins-for-january-7-2024/leo-pack1-png/#main" rel="attachment wp-att-17345" style="font-family:georgia,serif"><img class="gmail-aligncenter gmail-wp-image-17345" src="https://www.amsat.org/wordpress/wp-content/uploads/cm/LEO-Pack1-300x298.png" alt="" width="169" height="168"></a></font></p>
<p style="text-align:center"><font size="4"><span style="font-family:georgia,serif"><strong>When you purchase through AMSAT, a portion of the proceeds goes towards</strong> <br><strong>Keeping Amateur Radio in Space.</strong> <br><a href="https://amsat.org/product-category/hardware/" target="_blank" rel="noreferrer noopener"><strong>https://amsat.org/product-category/hardware/</strong></a></span></font></p>
<hr>
<h2><font size="6"><span style="font-family:georgia,serif">Request For Collecting CW Data of ARICA-2</span></font></h2>
<p><font size="4"><span style="font-family:georgia,serif">ARICA-2, a 2U cubesat developed by Sakamoto Laboratory at Aoyama
Gakuin University in Tokyo, was launched on April 23 by Rocket Lab in
New Zealand.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">The non-amateur mission goal of ARICA-2 is to demonstrate the
real-time alert system of transient astronomical sources, such as
gamma-ray bursts, using commercial satellite network services and to
collect the images of the earth, and hopefully, aurora with a camera
utilizing machine learning capability.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">The amateur mission is to provide a “store and forward” capability
using a 4k8 GMSK in AX25 format transceiver for communication among
amateurs. The alert and housekeeping data are also broadcast through the
amateur CW transmitter.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">ARICA-2 is operating very stably, with no issues in its batteries or
onboard equipment. Thanks to reception reports from amateurs worldwide,
the Lab has been able to successfully receive CW signals from ARICA-2
every day, as well as GMSK signals triggered by uplinks from the Aoyama
Gakuin university’s ground station.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">At present, ARICA-2 is still undergoing satellite checkout
procedures, and the amateur mission that will allow communication using
GMSK has not yet started. Once the timing is appropriate to begin the
amateur mission, the ARICA-2 team will announce it through amsat-bb and
on X.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">Until then, Sakamoto Laboratory would greatly appreciate the
continued cooperation of amateurs in receiving the CW data, which
contains housekeeping (HK) information from the satellite.</span></font></p>
<p><font size="4"><strong style="font-family:georgia,serif">Here is the info about ARICA-2.</strong></font></p>
<p style="padding-left:40px"><font size="4"><span style="font-family:georgia,serif">1. Preliminary TLE</span></font></p>
<p style="padding-left:80px"><font size="4"><span style="font-family:georgia,serif">ARICA-2 1 99999U 27001A 26113.16829861 .00000000 00000-0 00000-0 0 <br>9999 2 99999 97.5133 263.8390 0010953 206.3608 199.1146 15.08588350 03</span></font></p>
<p style="padding-left:40px"><font size="4"><span style="font-family:georgia,serif">2. Frequency: 436.830 MHz (20 wpm CW)</span></font></p>
<p style="padding-left:40px"><font size="4"><span style="font-family:georgia,serif">3. The contents of the CW data and transmitting time are described at: <a href="https://sakamotolab.phys.aoyama.ac.jp/research/future_space/ARICA-2_en/cw_beacon">https://sakamotolab.phys.aoyama.ac.jp/research/future_space/ARICA-2_en/cw_beacon</a>. <br>Please also report the received CW data on that page.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">Collection of the CW data of ARICA-2 is greatly appreciated!.</span></font></p>
<p><font size="4"><em style="font-family:georgia,serif">[ANS thanks Taka Sakamoto, JA6NWC, Sakamoto Laboratory, for the above information.]</em></font></p>
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<h2 style="text-align:center"><font size="4"><span style="font-family:georgia,serif"><img class="gmail-aligncenter gmail-size-full gmail-wp-image-62841" src="https://www.amsat.org/wordpress/wp-content/uploads/2025/12/SDR-Gen2-Ad-01_251214.jpg" alt="SDR Gen 2 Ad - 2026" width="879" height="516"></span></font></h2>
<hr>
<h2><font size="6"><span style="font-family:georgia,serif">NASA Completes Nancy Grace Roman Space Telescope</span></font></h2>
<p><font size="4"><span style="font-family:georgia,serif">NASA has completed assembly of the Nancy Grace Roman Space Telescope,
a next-generation observatory designed to map the universe on an
unprecedented scale. Engineers at NASA’s Goddard Space Flight Center are
finishing prelaunch testing before the spacecraft is shipped to Kennedy
Space Center. Launch preparation is underway with a target as early as
September, placing the mission ahead of its original schedule. Once
deployed, Roman will operate from a distant orbit approximately one
million miles from Earth.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">The new telescope is designed to complement existing observatories
such as the Hubble Space Telescope and the James Webb Space Telescope.
While those missions focus on detailed observations of individual
targets, Roman will conduct wide-field surveys, capturing images with
similar resolution across areas roughly 100 times larger. This
capability will allow astronomers to transition from isolated
observations to large-scale mapping of cosmic structure. The result is
expected to provide a broader context for many of the discoveries made
by earlier space telescopes.</span></font></p>
<p style="text-align:center"><font size="4"><span style="font-family:georgia,serif"><img class="gmail-aligncenter gmail-size-large gmail-wp-image-64452" src="https://www.amsat.org/wordpress/wp-content/uploads/2026/04/NGRomanTelescope-1024x576.png" alt="" width="1024" height="576"><em><br>Artist’s rendering of the Nancy Grace Roman Space Telescope. CREDITS: NASA, GSFC</em></span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">At the core of the mission is an eight-foot primary mirror paired
with a powerful infrared imaging system. Roman’s wide field of view
allows it to observe large regions of the sky in far fewer pointings
than previous telescopes. For example, imaging the Andromeda Galaxy
would require hundreds of individual exposures with Hubble but only a
handful with Roman. This efficiency makes the observatory particularly
well suited for large survey missions and time-domain astronomy.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">One of Roman’s primary science goals is to study dark matter and dark
energy, which together make up the majority of the universe. By mapping
hundreds of millions of galaxies and measuring subtle distortions in
their shapes, scientists can trace how invisible mass influences the
structure of the cosmos. Observations of Type Ia supernovae will also
help refine measurements of cosmic expansion. These combined datasets
are expected to improve our understanding of the universe’s evolution
and underlying physical laws.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">The telescope will also expand the search for exoplanets using
gravitational microlensing techniques. By monitoring dense star fields
in the Milky Way’s central region, Roman can detect planets that orbit
far from their host stars, including free-floating worlds. This approach
complements earlier missions that focused on planets closer to their
stars. In addition, Roman will test advanced coronagraph technology
capable of blocking starlight to directly observe faint planetary
companions.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">Roman’s wide-field imaging capability will also support time-domain
astronomy by repeatedly scanning large areas of the sky. These
observations will capture transient events such as supernovae, black
hole activity, and other short-lived phenomena. The resulting datasets
will serve as a long-term reference for future discoveries, enabling
astronomers to compare “before” and “after” views of dynamic regions of
space.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">Read the full article at: <a href="https://www.msn.com/en-us/news/technology/nasas-incredible-new-telescope-will-offer-an-atlas-of-the-universe/ar-AA21skN5">https://www.msn.com/en-us/news/technology/nasas-incredible-new-telescope-will-offer-an-atlas-of-the-universe/ar-AA21skN5</a></span></font></p>
<p><font size="4"><em style="font-family:georgia,serif">[ANS thanks Elisha Sauers, Mashable.com and NASA for the above information.]</em></font></p>
<hr>
<h2><font size="6"><span style="font-family:georgia,serif">SpaceX Rocket Debris to Impact The Moon</span></font></h2>
<p><font size="4"><span style="font-family:georgia,serif">Earth’s moon is to be on the receiving end of a spent rocket stage in
early August – the leftovers from a SpaceX Falcon 9 launch last year.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">Firefly’s Blue Ghost Mission 1, named Ghost Riders in the Sky,
launched on Jan. 15, 2025 and performed the first fully successful
commercial lunar landing on March 2 at the moon’s Mare Crisium. That
lander went on to mark the longest commercial operation on the moon to
date.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">Meanwhile, the Falcon 9’s leftover upper stage, labeled 2025-010D,
that lobbed the two private spacecraft into space, is now headed for a
run in with the moon. “We’ve been tracking it since launch. The orbit
has changed a bit over the last year or so, and is now headed for a
lunar impact,” said Bill Gray of Project Pluto.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">Project Pluto provides software tools useful for astronomers to
identify satellites in their data, and has published a page of data
about the Falcon 9 upper stage.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">He recalls that NASA’s Lunar Crater Observation and Sensing Satellite
(LCROSS) mission back years ago did something very similar.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">“We now have another upper stage due to hit the moon, this one on
Aug. 5 and (just barely) on the near side of the moon,” Gray said.</span></font></p>
<p style="text-align:center"><font size="4"><span style="font-family:georgia,serif"><img class="gmail-aligncenter gmail-size-large gmail-wp-image-64453" src="https://www.amsat.org/wordpress/wp-content/uploads/2026/04/SpaceXbooster-1024x576.webp" alt="" width="1024" height="576"><em><br>A SpaceX photo of one of the company’s Falcon 9 second stages, taken in 2022. (Image credit: SpaceX)</em></span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">Gray said he doesn’t expect this particular object to cause any trouble.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">“It doesn’t present any danger to anyone,” said Gray, “though it does
highlight a certain carelessness about how leftover space hardware is
disposed of.”</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">The chance that rubble kicked up by the impact would hit a
moon-circling spacecraft is quite small, said Gray, but he would factor
that into any planned maneuvers.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">“In a few years, things may be different,” Gray said, given humans tromping about on the lunar surface.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">“That raises the stakes considerably. If I were sending an upper
stage to high orbit, I would think about where it was going,” said Gray.
You might launch an upper stage today, and then years later see a real
problem, he said.</span></font></p>
<p><font size="4"><em style="font-family:georgia,serif">[ANS thanks Space.com for the above information. Read the full article at <a href="https://www.space.com/space-exploration/launches-spacecraft/a-stray-spacex-rocket-stage-could-slam-into-the-moon-this-august-amateur-astronomer-says">https://www.space.com/space-exploration/launches-spacecraft/a-stray-spacex-rocket-stage-could-slam-into-the-moon-this-august-amateur-astronomer-says</a>]</em></font></p>
<hr>
<h2><font size="6"><span style="font-family:georgia,serif">Changes to AMSAT TLE Distribution for May 1, 2026</span></font></h2>
<p><font size="4"><span style="font-family:georgia,serif">Two Line Elements or TLEs, often referred to as Keplerian elements or
keps in the amateur community, are the inputs to the SGP4 standard
mathematical model of spacecraft orbits used by most amateur tracking
programs. Weekly updates are completely adequate for most amateur
satellites. TLE bulletin files are updated daily in the first hour of
the UTC day. New bulletin files will be posted immediately after
reliable elements become available for new amateur satellites. More
information may be found at<a href="https://www.amsat.org/keplerian-elements-resources/"> https://www.amsat.org/keplerian-elements-resources/</a>.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">The following satellites have been added to this week’s AMSAT TLE Distribution:</span></font></p>
<p style="padding-left:40px"><font size="4"><span style="font-family:georgia,serif">MAGNARO-II-Piscis is object 68798 (2026-088G). Frequency: 436.326 MHz.<br>ARICA 2 is object 68796 (2026-088E). Frequency: 436.830 MHz.<br>FSI-SAT 2 is object 68792 (2026-088A). Frequency: 437.176 MHz.<br>WASEDA-SAT-ZERO-II is object 68797 (2026-088F). Frequency: 437.205 MHz.<br>OrigamiSat 2 is object 68795 (2026-088D). Frequency: 437.506 MHz.</span></font></p>
<h3><font size="4"><span style="font-family:georgia,serif">General Perturbations Data Support</span></font></h3>
<p><font size="4"><span style="font-family:georgia,serif">AMSAT is pleased to announce that modern forms of what are called
General Perturbations data are being disseminated via modern formats
including JSON, XML and KVN at <a href="https://newark192.amsat.org/gpdata/current/">https://newark192.amsat.org/gpdata/current/</a>.
The reason this change is being made is that we are running out of
5-digit catalog numbers and the TLE format is not viable for satellites
launched after July of this year. See <a href="https://celestrak.org/NORAD/documentation/gp-data-formats.php">https://celestrak.org/NORAD/documentation/gp-data-formats.php</a> for details.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">These data are presently considered in beta test for the next two
months while hosted on the test server <a href="http://newark192.amsat.org">newark192.amsat.org</a>, and we are
very open to community feedback at <a href="mailto:webmaster@amsat.org">webmaster@amsat.org</a>. Testers may
experience outages and errors while we make improvements. We intend to
put this into production on our main web server in July as we expect
that satellites launched after this summer will require one of the new
formats to accommodate longer object numbers. AMSAT will continue to
publish TLE bulletins for satellites launched before July 2026
indefinitely.</span></font></p>
<p><font size="4"><em style="font-family:georgia,serif">[ANS thanks Joe Fitzgerald, KM1P, AMSAT Orbital Elements Manager, for the above information.]</em></font></p>
<hr>
<h3 style="text-align:center"><font size="4"><span style="font-family:georgia,serif"><strong>AMSAT Remove Before Flight Key Tags Now Available</strong> <br><strong>Yes, These are the Real Thing!</strong></span></font></h3>
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<h2><font size="6"><span style="font-family:georgia,serif">Artemis 2 Moon Astronauts Visit the White House</span></font></h2>
<p><font size="4"><span style="font-family:georgia,serif">President Trump invited the Artemis 2 quartet and NASA Administrator
Jared Isaacman to the Oval Office today (April 29), for a livestreamed
press event that the White House described as a “greeting.”</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">“It takes people like this to make our country great,” Trump said of
the crew. “We’re very proud of these people. They have unbelievable
courage.”</span></font></p>
<p style="text-align:center"><font size="4"><span style="font-family:georgia,serif"><img class="gmail-aligncenter gmail-size-full gmail-wp-image-64454" src="https://www.amsat.org/wordpress/wp-content/uploads/2026/04/WhiteHouse.webp" alt="" width="970" height="546"><em><br>President
Donald Trump welcomed the four Artemis 2 astronauts (in blue flight
suits) and NASA Administrator Jared Isaacman (in dark suit, in front of
American flag) to the Oval Office on April 29, 2026. (Image credit:
Andrew Harnik/Getty Images)</em></span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">Artemis 2 launched on April 1 and returned to Earth on April 10. The
mission sent Reid Wiseman, KF5LKT, Victor Glover, KI5BKC, Christina
Hammock Koch, and Canadian astronaut Jeremy Hansen, KF5LKU, on an epic
journey around the moon and back. They were the first people to leave
Earth orbit since the Apollo 17 astronauts in 1972, and they got farther
from their home planet than anyone ever has before, breaking the record
set by Apollo 13 in 1970.</span></font></p>
<p><font size="4"><em style="font-family:georgia,serif">[ANS thanks Space.com for the above information. Read the full article at <a href="https://www.space.com/space-exploration/artemis/trump-invited-the-artemis-2-moon-astronauts-to-the-oval-office-heres-what-happened">https://www.space.com/space-exploration/artemis/trump-invited-the-artemis-2-moon-astronauts-to-the-oval-office-heres-what-happened</a>]</em></font></p>
<hr>
<h2><font size="6"><span style="font-family:georgia,serif">ARISS News</span></font></h2>
<p><font size="4"><span style="font-family:georgia,serif">Amateurs and others around the world may listen in on contacts
between amateurs operating in schools and allowing students to interact
with astronauts and cosmonauts aboard the International Space Station.
The downlink frequency on which to listen is 145.800 MHz worldwide.</span></font></p>
<p><font size="4"><em style="font-family:georgia,serif"><strong>RECENTLY COMPLETED</strong></em></font></p>
<p><font size="4"><span style="font-family:georgia,serif">Scouts Australia, Victorian Branch, Wodonga Scouts Groups – Wireless
Institute of Australia AGM and Technical Expo event 2026, The Albury
Wodonga ARC, NSW, Australia and Wireless Institute of Australia,
Thurgoona, New South Wales, Australia, telebridge via VK6MJ <br>The ISS callsign was NA1SS <br>The scheduled crewmember was Chris Williams, KJ5GEW <br>The ARISS mentor was VK4KHZ <br>Contact was successful: Sat 2026-05-02 10:43:04 UTC 73 degrees maximum elevation.</span></font></p>
<p><font size="4"><em style="font-family:georgia,serif"><strong>UPCOMING</strong></em></font></p>
<p><font size="4"><span style="font-family:georgia,serif">Universidad Tecnologica Nacional Facultad Regional San Rafael, San Rafael, Argentina, direct via LU9MAB <br>The ISS callsign is presently scheduled to be NA1SS <br>The scheduled crewmember is Sophie Adenot, KJ5LTN <br>The ARISS mentor is VE6JBJ <br>Contact is go for: Tue 2026-05-05 14:12:15 UTC 50 degrees maximum elevation.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">NANO-Potsdam NANO Wissenschaft begreifen, Potsdam, Germany, telebridge via ZS6JON <br>The ISS callsign is presently scheduled to be NA1SS <br>The scheduled crewmember is Chris Williams, KJ5GEW <br>The ARISS mentor is IN3GHZ <br>Contact is go for: Thu 2026-05-07 14:36:13 UTC 50 degrees maximum elevation.</span></font></p><p><font size="4"><span style="font-family:georgia,serif"></span></font></p>
<p style="font-weight:400;text-align:center"><font size="4"><span style="font-family:georgia,serif"><img class="gmail-aligncenter gmail-wp-image-64469" src="https://www.amsat.org/wordpress/wp-content/uploads/2026/05/685791445_1405862658013228_7411076273144702080_n-1024x1024.jpg" alt="" width="600" height="600"></span></font><font size="4"><span style="font-family:georgia,serif"><br></span></font></p><p style="font-weight:400"><font size="4"><span style="font-family:georgia,serif">Many
times a school may make a last minute decision to do a Livestream or
run into a last minute glitch requiring a change of the URL but we at
ARISS may not get the URL in time for publication. You can always check
<a href="https://live.ariss.org/">https://live.ariss.org/</a> to see if a school is Livestreaming.</span></font></p>
<p style="font-weight:400"><font size="4"><span style="font-family:georgia,serif">As always, <strong>if there is an EVA, a docking, or an undocking</strong>; all ARISS radios are turned off as part of the safety protocol.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif"><strong>The crossband repeater</strong> continues to be active
(145.990 MHz up {PL 67} & 437.800 MHz down). If any crewmember is so
inclined, all they have to do is pick up the microphone, raise the
volume up, and talk on the crossband repeater. So give a listen, you
just never know.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif"><strong>APRS</strong> is currently active on 145.825 MHz. Please note
that ARISS is still in the process of troubleshooting and testing the
Kenwood D710GA radio in the Zvezda Service Module – Call sign RSØISS.
Feel free to check out status reports <a href="https://ariss-usa.org/ARISS_APRS/">here</a>.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif"><strong>Ham TV</strong> in the Columbus European Laboratory is
currently transmitting a test signal at 2395.00 MHz. For more
information, visit the ARISS Ham TV Live site <a href="https://live.ariss.org/hamtv/">here</a>.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">Note, all times are approximate. It is recommended that you do your
own orbital prediction or start listening about 10 minutes before the
listed time.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">The latest information on the operation mode can be found at <a href="https://www.ariss.org/current-status-of-iss-stations.html">https://www.ariss.org/current-status-of-iss-stations.html</a></span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">The latest list of frequencies in use can be found at <a href="https://www.ariss.org/contact-the-iss.html">https://www.ariss.org/contact-the-iss.html</a></span></font></p>
<p><font size="4"><em style="font-family:georgia,serif">[ANS thanks Charlie Sufana, AJ9N, one of the ARISS operation team mentors for the above information.]</em></font></p>
<hr>
<h3 style="text-align:center"><font size="4"><span style="font-family:georgia,serif"><em>Want to fly the colors on your own grid expedition?</em> Get an AMSAT car flag and other neat stuff from our <a href="https://www.zazzle.com/store/amsat_gear">Zazzle store</a>!</span></font></h3>
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<h3 style="text-align:center"><font size="4"><span style="font-family:georgia,serif">25% of the purchase price of each product goes towards <br>Keeping Amateur Radio in Space</span></font></h3>
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<hr>
<h2><font size="6"><span style="font-family:georgia,serif">AMSAT Ambassador Activities</span></font></h2>
<p><font size="4"><span style="font-family:georgia,serif">AMSAT Ambassadors provide presentations, demonstrate communicating
through amateur satellites, and host information tables at club
meetings, hamfests, conventions, maker faires, and other events.</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">May 15-17, 2026 <br><strong>Dayton Hamvention</strong> <br>Greene County Fair and Expo Center <br>210 Fairground Road Xenia 45385 <br><a href="https://hamvention.org/">https://hamvention.org/</a></span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">October 8-11, 2026 <br><strong>44th AMSAT Space Symposium and Annual Membership Meeting</strong> <br>Crowne Plaza JAX Airport <br>14670 Duval Road <br>Jacksonville, FL 32218</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">Interested in becoming an AMSAT Ambassador? AMSAT Ambassadors provide
presentations, demonstrate communicating through amateur satellites,
and host information tables at club meetings, hamfests, conventions,
maker faires, and other events. For more information go to:<a href="https://www.amsat.org/ambassador/"> https://www.amsat.org/ambassador/</a></span></font></p>
<p><font size="4"><em style="font-family:georgia,serif">[ANS thanks Bo Lowrey, W4FCL, Director – AMSAT Ambassador Program, for the above information.]</em></font></p>
<hr>
<h2><font size="6"><span style="font-family:georgia,serif">Satellite Shorts from All Over</span></font></h2>
<p><font size="4"><span style="font-family:georgia,serif">+ The Iowa State University Campus Amateur Radio Club (WØISU) will be
launching a 10 kHz wide non-inverting linear transponder on May 2nd at
1300z on a high altitude balloon. All info for this flight can be found
at this website: <a href="https://stuorgs.engineering.iastate.edu/carc/balloon-lauch/">https://stuorgs.engineering.iastate.edu/carc/balloon-lauch/</a>. The transponder will have a 10m uplink and a 2m downlink. <strong>NOTE:</strong>
There is always a chance that the balloon launch may be cancelled due
to weather. The backup launch day will be Sunday, May 3rd. Please see
the linked website for updates regarding cancellation of the launch.
Please contact me if you have any questions. (ANS thanks Kees Van
Oosbree, WØAAE, for the above information.)</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">+ The hatches are open between the International Space Station and
the new Progress 95 cargo spacecraft following the delivery of about
three tons of food, fuel, and supplies on Monday. Expedition 74
commander Sergey Kud-Sverchkov and flight engineer Sergei Mikaev, both
from Roscosmos, finalized leak and pressure checks between Progress 95
and the Zvezda service module’s rear port on Tuesday. Afterward, the duo
installed air ducts and began unpacking the spacecraft beginning seven
months of cargo activities in the resupply ship. (ANS thanks NASA for
the above information.)</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">+ AST SpaceMobile has received the green light to operate
satellite-to-phone services in the US, setting the stage for the company
to compete against SpaceX’s Starlink Mobile. On April 21, AST secured
FCC approval to operate the entirety of its 248-satellite constellation
and offer “supplemental coverage from space,” including outside the U.S.
(ANS thanks PC Magazine for the above information. Read the full
article at <a href="https://www.pcmag.com/news/ast-spacemobile-secures-fcc-nod-to-compete-with-starlink-mobile">https://www.pcmag.com/news/ast-spacemobile-secures-fcc-nod-to-compete-with-starlink-mobile</a>)</span></font></p>
<p><font size="4"><span style="font-family:georgia,serif">+ SpaceX’s most powerful operational rocket, the Falcon Heavy, lifted
off Wednesday carrying a massive communications satellite on its 12th
flight since 2018. The 27 Merlin engines of the three Falcon boosters
roared to life at 1413 UTC and the 70-meter-tall (229.6 ft) rocket
thundered away from Launch Complex 39A propelled by 5 million pounds of
thrust. Deployment of the satellite came at nearly five hours after
liftoff. The upper stage featured an additional thermal protection layer
to ensure the fuel, a rocket-grade kerosene, does not freeze during the
roughly four-hour coasting phase between the second and third engine
ignitions. The ViaSat-3 F3 satellite is the second in the series to be
launched onboard a SpaceX Falcon Heavy rocket and the third and final
member of this constellation. The first satellite, ViaSat-3 Americas,
launched on a Falcon Heavy rocket in 2023. (ANS thanks Spaceflight Now
for the above information. Read the full article at <a href="https://spaceflightnow.com/2026/04/29/spacex-launches-6-ton-viasat-3-f3-satellite-on-falcon-heavy-rocket/">https://spaceflightnow.com/2026/04/29/spacex-launches-6-ton-viasat-3-f3-satellite-on-falcon-heavy-rocket/</a>) </span></font></p>
<hr>
<h2 style="text-align:left"><font size="6"><span style="font-family:georgia,serif">Join AMSAT today at <a href="https://launch.amsat.org/">https://launch.amsat.org/</a></span></font></h2>
<p style="text-align:left"><font size="4"><span style="font-family:georgia,serif">In addition to regular membership, AMSAT offers membership to:</span></font></p>
<ul style="text-align:left"><li><font size="4"><span style="font-family:georgia,serif">Societies (a recognized group, clubs or organization).</span></font></li><li><font size="4"><span style="font-family:georgia,serif">Students are eligible for <em>FREE</em> membership up to age 25.</span></font></li><li><font size="4"><span style="font-family:georgia,serif">Memberships are available for annual and lifetime terms.</span></font></li></ul>
<p style="text-align:left"><font size="4"><span style="font-family:georgia,serif">Contact info [at] <a href="http://amsat.org">amsat.org</a> for additional membership information.</span></font></p>
<p><font size="4"><strong style="font-family:georgia,serif">73 and remember to help Keep Amateur Radio in Space!</strong></font></p>
<p><font size="4"><span style="font-family:georgia,serif"><strong>This week’s ANS Editor,</strong> <strong>Mark Johns, KØJM</strong> <br><strong>mjohns [at] <a href="http://amsat.org">amsat.org</a></strong></span></font></p>
<p><font size="4"><em style="font-family:georgia,serif">ANS is a service of AMSAT, the Radio Amateur Satellite Corporation, 712 H Street NE, Suite 1653, Washington, DC 20002 </em></font></p>
<p><font size="4"><em style="font-family:georgia,serif">AMSAT is a registered trademark of the Radio Amateur Satellite Corporation. </em></font></p>
</div><font size="4"><span style="font-family:georgia,serif"><br></span></font></div>