ISS Ham Frequencies VHF/UHF Space/Earth

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ISS Ham Frequencies VHF/UHF Space/Earth

Postby SilverShadow » Thu Nov 22, 2012 7:56 pm

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ISS Frequencies

Amateur Radio Frequencies (Note: Only one mode active at a time)

FM VOICE for ITU Region 1: Europe-Middle East-Africa-North Asia
Downlink 145.800
Uplink 145.200

FM VOICE for ITU Region 2&3: North and South America-Caribbean-Greenland-Australia-South Asia
Downlink 145.800
Uplink 144.490

FM U/v VOICE Repeater (Worldwide)
Downlink 145.800
Uplink 437.800

FM V/u with PL VOICE Repeater (Worldwide)
Downlink 437.800
Uplink 145.990 with 67.0 PL

FM L/v VOICE Repeater (Worldwide)
Downlink 145.800
Uplink 1269.650

AX.25 1200 Bd AFSK Packet Radio (Worldwide)
Downlink 145.825
Uplink 145.825

FM SSTV downlink (Worldwide)
Downlink 145.800

UHF Simplex (rarely used)
Downlink 437.550
Uplink 437.550


Other Frequencies

121.125 FM RS EVA from Orlan suit

121.75 FM Downlink from Soyuz-TM (voice). RS EVA from Orlan suit. Soyuz VHF-2. Progress Telemetry.

130.167 AM VHF-2 Downlink from Zarya (Service Module). RS EVA to Orlan suits

143.625 FM VHF-1 downlink. Main Russian communications channel. Often active over Moskow. You can hear air to ground conversations in Russian. Sometimes English when US crews talk to their NASA representative in Star City.

166.000 AM Soyuz-TM and Progress M-1 telemetry (unconfirmed)

632.000 634.000 AM Zarya telemetry (unconfirmed)

628.000 630.000 AM Zvezda telemetry (unconfirmed)

922.760 CW Soyuz-TM and Progress M1 beacon (unconfirmed)

2265.0 Digital Telementry Downlink (unconfirmed)

15003.4 Digital Data downlink (unconfirmed)

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Re: ISS Ham Frequencies VHF/UHF Space/Earth

Postby SilverShadow » Mon Dec 03, 2012 11:56 am

You can track the ISS position live at:

http://www.isstracker.com/

Or http://www.n2yo.com/
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Re: ISS Ham Frequencies VHF/UHF Space/Earth

Postby SilverShadow » Mon Dec 03, 2012 12:10 pm

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International Space Station Reference (From Nasa)

When astronauts, cosmonauts and mission specialists from many nations fly on the international space station, they will have amateur, or ham, radio as a constant companion.

Since its first flight in 1983, ham radio has flown on more than two-dozen space shuttle missions. Dozens of astronauts have used the Space Shuttle Amateur Radio Experiment, or SAREX, to talk to thousands of kids in school and to their families on Earth while they were in orbit. They have pioneered space radio experimentation, including television and text messaging as well as voice communication. The Russians have had a similar program for the cosmonauts aboard the Russian Space Station Mir. When U.S. astronauts were aboard Mir in preparation for the long duration missions of the international space station, they used amateur radio for communication, including emergency messaging while Mir was in distress.

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Above is a photo of the initial radio station amateur equipment while it was being tested. After testing, the equipment was stowed aboard space shuttle Atlantis for delivery to the international space station during STS-106.

More Info: http://spaceflight.nasa.gov/station/reference/radio/
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Re: ISS Ham Frequencies VHF/UHF Space/Earth

Postby m0lsx » Mon Dec 03, 2012 4:59 pm

Did anyone else take part in the Suit Sat experiment?? Me & my 5 year old daughter got up at about 4 or 5 am & listened. We did, despite the signal not being what it should have been, get something, but not enough to get a QSL card from them.
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Re: ISS Ham Frequencies VHF/UHF Space/Earth

Postby JohnUK » Mon Dec 03, 2012 7:19 pm

I have picked them up once or twice the last time it was a female astronaut (american) talking to someone in a school and she was very clear. Never managed a qso yet
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Re: ISS Ham Frequencies VHF/UHF Space/Earth

Postby m0lsx » Mon Dec 03, 2012 11:02 pm

I once heard that the best place on earth to contact them from is Hawaii as no other land is within it's footprint. I have made contact twice, once was in the car.
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Re: ISS Ham Frequencies VHF/UHF Space/Earth

Postby SilverShadow » Tue Dec 04, 2012 10:04 pm

I've listened to a few space coms over the years from the shuttle to the russians to the iss but never qso'd

I always looked forward to the shuttle launches and sadly didnt get anything on the very last ever shuttle launch :cry:
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Re: ISS Ham Frequencies VHF/UHF Space/Earth

Postby m0lsx » Tue Dec 04, 2012 10:28 pm

http://www.rsgb.org.uk/youth/jotanewsspacestation.htm

This must be about 5 or 6 years ago. I was running a JOTA station a few miles up the road. But we did drop in & say hi to Cawston over that weekend.


There were cheers all round the Scout hut in Cawston, Norfolk, on 20 October as the Scouts made contact with the International Space Station. The excited scouts were astounded as Scout leader Chris Rolph, G7HXW, talked to Crew Commander Frank Culbertson, KD5OPQ, on board the ISS.


"The ISS crew is very busy, but excited about supporting JOTA QSOs," said Will Marchant, of the Amateur Radio on the International Space Station (ARISS) programme. "Frank had packed his Scouting T-shirt and will be wearing it during the amateur radio operations."
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Re: ISS Ham Frequencies VHF/UHF Space/Earth

Postby M3TSY » Wed Dec 05, 2012 10:00 am

I have listened quite a few times as space communications and general space flight and exploration is something I'm interested in.

I have tried one or two times to get in on the UHF uplink but no avail, I also had trouble on the last shuttle launch, I picked them up but only just thanks to a lot of Spurious emissions from High Peak Radio's Transmitter which you can see here
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