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ARISS Commemorative Event of the 25th Anniversary
of Ham Radio in Space

AMSAT-NA V.P. for Human Spaceflight Programs and ARISS International Chairman Frank Bauer, KA3HDO announced, "Twenty-five years ago this week, Owen Garriott, W5LFL, made history by being the first amateur radio operator to talk to hams from space. Owen's historic flight on the STS-9 Space Shuttle Columbia mission  was launched on November 28 and landed on December 8, 1983. Owen's ham radio adventure on STS-9 ushered in a host of outstanding outreach activities that continue today with the ARISS program."

Frank continued, "Many will recall that first set of contacts and downlinks with Owen. Those first contacts allowed each of us to share the excitement of space exploration through Owen's first-hand eyewitness accounts. Owen's ham radio legacy enabled space travelers that have flown on the Space Shuttle, the Space Station Mir and now the International Space Station to share their journey of exploration."

"Owen's son Richard, W5KWQ just a month ago carried the torch further to become the first 2nd generation amateur rdaio operator to talk to hams from space. What other hobby, except amateur radio, could or would open the communications lines of space travelers beyond that of the space agencies or international heads of state?"

To celebrate our 25 years of amateur radio operations from space, the ARISS team has planned a set of special event opportunities during the month of December and part of January. A special certificate is being developed for those who communicate with the ISS, either 2-way direct (with the ISS crew,the digipeater, or cross band repeater), or 1-way reception of SSTV or voice downlink. Several events will be described here with several "surprises" planned over the month- long celebration. The surprises will be announced once we are prepositioned to accomplish them.

Specifically, the following is being planned in the near-term:

  • December 1-5 - in addition to school contacts and APRS digi operations, we plan to configure the radio system for cross band repeater operations. This will utilize the standard U/V operations in low power mode.
  • December 7-12 - we will run a test of 9600 baud packet operations on the simplex frequency 145.825 MHz.
  • December 14-19 - we will switch to 1200 baud packet on 145.825 to support double hop opportunities, given that PCSAT should be in full sun starting December 9,
  • And at times, especially during the weekends, you might see some SSTV operations if the crew is available.

We will provide more updates in the near future. We would like to remind everyone that ISS flight requirements related to EVA and vehicle activity may require the radio to be off for some portion of this schedule. And school contacts and general QSO opportunities by the crew will also preempt this schedule for short periods of time. (But remember that if you hearthese, you still qualify for a commemorative certificate).

Frank concluded, "In the meantime, enjoy the ARISS ops on ISS! And congratulations to Owen Garriott, W5LFL, on the 25th anniversary of his historic flight!!"


AO-51 Schedule Dec 1 - Dec 7, 2008

FM Repeater V/U
Uplink: 145.920 MHz FM
Downlink: 435.300 MHz

9k6 BBS L/U
Uplink: 1268.700 MHz FM
Downlink: 435.150 MHz FM

Dec 8 - Dec 14, 2008

FM Repeater V/U
Uplink: 145.920 MHz FM
Downlink: 435.300 MHz

FM Repeater L/U
Uplink: 1268.700 MHz FM
Downlink: 435.150 MHz FM

Updated: 03 Dec, 08

AO-51 Mode as of 11:19 UTC

Voice Up Voice Dn Beacon Digital Up Digital Dn Up Baud Dn Baud
 145.920 FM   435.300 FM   435.150 FM   1268.700 PBP   435.150 PBP   9600   9600 

Note - Mode changes are approximate and usually occur at ~ 02:00 UTC.
For additional information see AO-51 Full Schedule and News

PCSAT Recovery Successful, Full Sun Operations Begin December 9

Bob, WB4APR reports from the US Naval Academy Satellite Lab that PCSAT-1 should return to full operations sometime around December 9, 2008. That will be when this sunlight-only veteran bird once again receives continuous solar illumination for two weeks.

Bob says "This should give a few weeks for some good 2 meter packet contacts and the opportunity to run a Satellite Simulated Emergency Test (SSET)". If the ISS is also operational on 145.825 MHz there is the possibility for some lucky 2-hop DX contacts via both birds. Combined PCSAT and ISS 1200 baud packet operation on 145.825 MHz will give 12 opportunities per day for contacts without any change in your radio or packet settings.

Operating PCSAT-1 is just like any 1200 baud 2 meter packet repeater. Uplink and downlink are on 145.825 MHz.  Set your UNPROTO path to VIA ARISS. This path is identical to the ISS path so that you do not have to change anything between the two spacecraft when PCSAT has been loaded. Until PCSAT-1 is reloaded, however, its digipeating alias is its FCC call which needs to be set to UNPROTO VIA W3ADO-1. You can hear PCSAT every day right now, but its packets die before completion because of the poor power budget.

Bob continues, "I just commanded PCSAT-1 this week and all functions are normal. All we need is the first full-sun orbit on the 9th of December to be able to do a full recovery, and then it should last for 2 weeks or more".

Amateur Radio operators can make two-way contacts, send beacons and bulletins and send your position so you will show up on the PCSAT web page  A web page with tips on how to recycle your terrestrial packet TNC sitting on the shelf for use with ARISS and PCSAT can be found here.

Bob recommends everyone plan on testing their emergency e-mail capability during the time window of 12 to 15 December for everyone to try to send an e-mail via the PCSAT or ISS digipeater. Please see the Satellite Simulated Emergency Test information .You can use any packet system and no special software is required.

Updated: 22 Nov, 08

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