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From: I0OJJ @ I0OJJ.ITA.EU (Gustavo)
To: AMSAT @ WW
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From: Paul Stoetzer via ANS <ans@amsat.org
Subject: [ANS] ANS-327 AMSAT News Service Weekly Bulletins
Date: Sat, 22 Nov 2025 19:15:12 EST
Reply-To: Paul Stoetzer <prstoetzer@gmail.com>
To: space@ww
*AMSAT *News Service*ANS-327*
*November 23, 2025*
In this edition:
- September/October 2025 Edition of *The AMSAT Journal *Now Available
- New AMSAT CubeSatSim Lite Available on AMSAT Store Sunday
- Happy 12th Birthday to AO-73 (FUNcube-1)
- Successful Reception of CatSat 10 GHz Downlink
- SO-124 Nears End of Orbital Life
- Changes to AMSAT TLE Distribution for October 10, 2025
- ARISS News
- AMSAT Ambassador Activities
- Satellite Shorts From All Over
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.
The news feed on https://www.amsat.org publishes news of Amateur Radio in
Space as soon as our volunteers can post it.
Please send any amateur satellite news or reports to: ans-editor [at]
amsat.org
You can sign up for free e-mail delivery of the AMSAT News Service
Bulletins via the ANS List; to join this list see:
https://mailman.amsat.org/postorius/lists/ans.amsat.org/
------------------------------
September/October 2025 Edition of *The AMSAT Journal *Now Available
The September/October 2025 issue of *The AMSAT Journal* is now available to
members on AMSATâÖs Member Portal.
Click here to download your copy now
<https://launch.amsat.org/The_AMSAT_Journal>
*The AMSAT Journal* is a bi-monthly digital magazine for amateur radio in
space enthusiasts, published by the Radio Amateur Satellite Corporation
(AMSAT). Each issue is your source for hardware and software projects,
technical tips, STEM initiatives, operational activities, and news from
around the world.
Inside the Current Issue:
- Apogee View - Drew Glasbrenner, KO4MA
- Educational Relations Update - Alan Johnston, KU2Y
- AMSAT Education and CubeSat Simulator Project Update - Alan Johnston,
KU2Y
- The STAR Project and the CubeSatSim Lite - Mark Samis, KD2XS
- The Next Time We Might Receive a Message From the Stars - Joe
Kornowski, KB6IGK
- Bridging Orbit and Classroom: SatNOGS and CubeSatSim Activities -
Frederic Rabb, KK6NOW
*[ANS thanks AMSAT for the above information]*
------------------------------
*AMSAT Remove Before Flight Key Tags Now Available*
*Yes, These are the Real Thing!*
*Your $20 Donation Goes to Help Fly a Fox-Plus SatelliteIncludes First
Class Postage (Sorry â U.S. Addresses Only)Order Today
at https://www.amsat.org/product/amsat-remove-before-flight-keychain
<https://www.amsat.org/product/amsat-remove-before-flight-keychain/>*
------------------------------
New AMSAT CubeSatSim Lite Available on AMSAT Store Sunday
The new AMSAT CubeSatSim Lite will be available on the AMSAT Store starting
on Sunday November 23 at 7:00 pm U.S. Eastern Time. The product page can be
found at https://www.amsat.org/product/cubesatsim-lite-complete/
The CubeSatSim Lite comes fully assembled and includes a Pi Zero 2W with
CubeSatSim micro SD card installed, SMA antennas, USB sound card, Pi
Camera, and USB power cord and plug. Just plug it into a power outlet and
you will receive simulated telemetry in seven modes including the new
FUNcube mode and Cross Band Repeater Mode.
For full information see this Wiki page:
https://github.com/alanbjohnston/CubeSatSim/wiki/CubeSatSim-Lite or the
CubeSatSim ReadMe file: https://cubesatsim.org/download/cubesatsim-lite
-readme.pdf
This is a small initial batch - the next batch should be available early in
the new year.
]
CubeSatSim Lite Complete
*[ANS thanks Alan Johnston, KU2Y, AMSAT Vice President - Educational
Relations, for the above information]*
------------------------------
*The 2025 AMSAT PresidentâÖs Club Coins Are Here!*
*Celebrating the 40th Anniversary of Amateur Radio on Human Spaceflight*
*Help Support GOLF and Fox Plus.**Join
<https://www.amsat.org/join-the-amsat-presidents-club/> the AMSAT
PresidentâÖs Club today!*
------------------------------
Happy 12th Birthday to AO-73 (FUNcube-1)
AO-73 celebrated its 12th birthday on November 21, 2025. The satellite is
still operating well in full-time transponder mode.
On November 21, 2013 FUNcube-1 (AO-73) was launched from the Yasny launch
base located in the Orenburg Region, Russia on a Dnepr Launch Vehicle into
a 600 km, 97.8Âș inclination sun-synchronous orbit. In this orbit the
satellite passes over the British Isles and Europe approximately 3 times in
the morning, and 3 in the evening, every day, perhaps allowing the morning
passes to be used for educational purposes and the evening passes for
Amateur Radio communications.
FUNcube carries a UHF to VHF linear transponder that has 300 mW PEP output
and which can be used by Radio Amateurs worldwide for SSB and CW
communications.
Communication subsystem:
âą 145.935 MHz BPSK Telemetry 30/300 mW
âą Inverting SSB/CW transponder 300 mW
â 435.150 â 435.130 MHz Uplink
â 145.950 â 145.970 MHz Downlink
The passband may be up to 15 kHz higher depending on on-board temperatures.
Low temperatures give higher frequencies
As of writing, ground stations from around the world have collected
11,631,536 frames of telemetry throughout the satellite's life. The
satellite's recently received telemetry values can be found on AMSAT-UK's
Data Warehouse at http://data.amsat-uk.org/ui/fc1-fm.
<http://data.amsat-uk.org/ui/fc1-fm>
*[ANS thanks AMSAT-UK for the above information]*
------------------------------
------------------------------
Successful Reception of CatSat 10 GHz Downlink
Mike Seguin, N1JEz, reports the successful reception of the University of
Arizona's CatSat's 10 GHz downlink on 10.47 GHz on the morning of November
21, 2025. The satellite's linear transponder uses 10 GHz down and 5 GHz
up. More information is available at https://catsat.arizona.edu/
Mike reports that signals were quite good in FN34xn in Vermont! His next
step is to try the uplink on 5 GHz on 5.663 GHz.
Below is a link to a portion of the pass. It is an I&Q file recorded with
HDSDR using the Winrad format.
https://drive.google.com/file/d/15cuuhi-U5WDkVjiKHJeuP_argBhH0Cpz/view?usp
ve_link
Congrats to the CatSat team!!
*[ANS thanks Mike Seguin, N1JEZ, and the University of Arizona's CatSat
Team for the above information]*
------------------------------
SO-124 Nears End of Orbital Life
Simulations indicate that the decay of our satellite HADES-R (SO-124) is
approaching and will likely occur during the first two weeks of January
2026. If you can, take the opportunity to make use of this satellite, which
has been working very well and has brought much joy to radio amateurs
around the world. Any old FM equipment will work, since the repeater is
level-activated and does not require a sub-tone.
The frequencies and operating modes are as follows:
*SO-124*
145.925 MHz uplink, Modes: FM voice (no sub-tone) and FSK 200 bps, AFSK,
AX.25, APRS 1200 / 2400 bps
436.888 MHz downlink, Modes: FM voice, CW, FSK 200â2400 bps
*[ANS thanks FĂ©lix PĂĄez**, EA4GQS, **AMSAT-EA for the above infor
mation]*
------------------------------
Changes to AMSAT TLE Distribution for November 21, 2025
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
https://www.amsat.org/keplerian-elements-resources/
<https://www.amsat.org/keplerian-elements-resources/>.
This week there are no changes to the AMSAT TLE Distributions.
*[ANS thanks Joe Fitzgerald, KM1P, AMSAT Orbital Elements Manager, for the
above information]*
------------------------------
*Need new satellite antennas? Purchase an M2 LEO-Pack from the **AMSAT
Store! <https://amsat.org/product-category/hardware/>**When you purchase
through **AMSAT, a portion of the proceeds goes towards **Keeping Amateur
Radio in Space.*
------------------------------
ARISS News
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.
*Scheduled Contacts*
*MAI students, Russia direct via TBD*
The ISS callsign is presently scheduled to be RSĂISS
The ARISS mentor is RV3DR
Contact is go for Mon 2025-11-24 14:50 UTC
*Students from the Aznakaevsky District of the Republic of Tatarstan,
Russia, direct via TBD*
The ISS callsign is presently scheduled to be RSĂISS
The scheduled crewmember is Oleg Platonov
The ARISS mentor is RV3DR
Contact is go for Tue 2025-11-25 12:30 UTC
*Istituto Di Istruzione Superiore "Il Tagliamento" Di Spilimbergo (Pn),
Spilimbergo, Italy, telebridge via IK1SLD*
*AND*
*Istituto Comprensivo âG. Mazziniâ, Livorno, Italy, telebri
dge via TBD*
The ISS callsign is presently scheduled to be OR4ISS
The scheduled crewmember is Zena Cardman KJ5CMN
The ARISS mentor is IZ2GOJ
Contact is go for: Fri 2025-11-28 11:40:17 UTC 34 deg
Due to the scheduled docking of the Soyuz scheduled for Thu 2025-11-27
12:38 UTC, the radios will be powered down. Here is the schedule for power
down and power up:
Service module radio power down Thu 2025-11-27 10:35 to 10:40 UTC
Columbus module radio power down Thu 2025-11-27 10:40 to 10:45 UTC
Service module radio power up Fri 2025-11-28 10:15 to 10:20 UTC
Columbus module radio power up Fri 2025-11-28 10:20 to 10:25 UTC
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
https://live.ariss.org/ to see if a school is Livestreaming.
As always, if there is an EVA, a docking, or an undocking; the ARISS radios
are turned off as part of the safety protocol.
The crossband repeater 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.
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.
The latest information on the operation mode can be found at
https://www.ariss.org/current-status-of-iss-stations.html
The latest list of frequencies in use can be found at
https://www.ariss.org/contact-the-iss.html
*[ANS thanks Charlie Sufana, AJ9N, one of the ARISS operation team mentors
for the above information]*
------------------------------
*Want to fly the colors on your own grid expedition?*
Get an AMSAT car flag and other neat stuff from our Zazzle store
<https://www.zazzle.com/store/amsat_gear>!
25% of the purchase price of each product goes towards Keeping Amateur
Radio in Space
------------------------------
AMSAT Ambassador Activities
AMSAT Ambassadors provide presentations, demonstrate communicating through
amateur satellites, and host information tables at club meetings, hamfests,
conventions, maker faires, and other events.
AMSAT Ambassador Clint Bradford, K6LCS, says,
âThink a 75-minute presentation on âworking the easy satell
itesâ would be
appropriate for your club or event? Let me know by emailing me at
k6lcsclint (at) gmail (dot) com or calling me at 909-999-SATS (7287)!â
Clint has NEVER given the exact same show twice: EACH of the 150+
presentations so far has been customized/tailored to their audiences.
Scheduled Events
No events currently scheduled
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: https://www.amsat.org/ambassador/
*[ANS thanks Bo Lowrey, W4FCL, Director â AMSAT Ambassador Program,
for the
above information]*
------------------------------
Satellite Shorts from All Over
+ China is set to launch an uncrewed Shenzhou spacecraft to the Tiangong
space station to provide the Shenzhou-21 astronauts with a means of
returning home. An airspace closure notice issued Nov. 17 indicates that
China is preparing the Shenzhou-22 spacecraft and a Long March 2F rocket
for launch at around 04:10z. on Nov. 25. (ANS thanks SpaceNews Weekly for
the above information)
+ Reports indicate the Lobachevsky (RS83S) will be launched in late
December. Although the IARU coordination request indicated that it would
carry a digital repeater, the satellite's website
<https://spacepi.space/satellites/lobachevskij/> indicates that it carries
an FM transponder with a 70cm uplink and a 2m downlink. (ANS thanks SpacePi
and PV8DX for the information)
+ The Iowa State University Amateur Radio Club is planning to launch a high
altitude balloon carrying a linear transponder. The transponder will have
an uplink on 10m and a downlink on 2m. The launch was originally planned
for November 21, 2025, but this was scrubbed due to weather. The next
opportunity will be after December 1st. More information can be found at
https://stuorgs.engineering.iastate.edu/carc/balloon-lauch/ (ANS thanks the
Iowa State University ARC for the information)
------------------------------
Join AMSAT today at https://launch.amsat.org/
In addition to regular membership, AMSAT offers membership to:
- Societies (a recognized group, clubs or organization).
- Primary and secondary school students are eligible for membership at
one-half the standard yearly rate.
- Post-secondary school students enrolled in at least half time status
shall be eligible for the student rate for a maximum of 6 post-secondary
years in this status.
- Memberships are available for annual and lifetime terms.
Contact info [at] amsat.org for additional membership information.
*73 and remember to help Keep Amateur Radio in Space!*
*This week's ANS Editor,*
*Paul Stoetzer, N8HM*
*n8hm [at] arrl.net <http://arrl.net>*
*ANS is a service of AMSAT, the Radio Amateur Satellite Corporation, 712 H
Street NE, Suite 1653, Washington, DC 20002*
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