[amsat-bb] ISS Repeater Clarification

[Richard Lawn]

I had several nice contacts on a morning pass over fn21. Great signals.
Rick, W2JAZ

On Tue, Aug 22, 2017 at 5:38 PM John Brier <johnbrier at gmail.com> wrote:

> ISS crossband repeater seemed off on 2043 UTC pass over NA. Digipeater was
> on though.
>
> On Aug 22, 2017 8:03 AM, "Dave Taylor" <w8aas at verizon.net> wrote:
>
>> Yes, using the radio as a voice repeater does interfere with the intended
>> use.  The Russian team set this up at the last minute because they were
>> concerned about getting telemetry from their satellites, which might be
>> spinning more than they had expected.  They are hoping the nearby receiver
>> on ISS can capture and retransmit telemetry that is not being picked up on
>> the ground.
>>
>> I do not know if this applies primarily over Europe and Asia, or if
>> repeater use is a problem everywhere.  I would guess that the satellite
>> teams would appreciate receiving telemetry from anywhere it is heard.
>> There might be something on the satellite websites about that.  I am not
>> directly involved.
>>
>> Dave, W8AAS
>>
>>
>> > On Aug 21, 2017, at 6:54 PM, Greg D <ko6th.greg at gmail.com> wrote:
>> >
>> > So, if we use the repeater, are we competing (interfering) with the
>> > student experiments?  Or, is that only geographically related (i.e. over
>> > Russia)?
>> >
>> > Greg  KO6TH
>> >
>> >
>> > John Brier wrote:
>> >> There is no tone. The thing to remember is this is not being turned on
>> >> for random contacts. It is setup to retransmit one of the student sats
>> >> that was recently deployed by hand from the ISS during a Russian EVA.
>> >> That sat transmits on 437.050 and that is why the uplink is 437.050
>> >> and not the "normal" 437.800 that is published as the repeater
>> >> frequency on ariss.org for example.
>> >>
>> >> 73, John Brier KG4AKV
>> >>
>> >> On Mon, Aug 21, 2017 at 6:01 PM, Mike Diehl <diehl.mike.a at gmail.com>
>> wrote:
>> >>> 437.050 uplink
>> >>>
>> >>> 73,
>> >>>
>> >>> Mike Diehl
>> >>> AI6GS
>> >>>
>> >>>> On Aug 21, 2017, at 2:50 PM, Richard Lawn <rjlawn at gmail.com> wrote:
>> >>>>
>> >>>> Just to clarify, the downlink is 145.800 and uplink is 437.800? Is
>> there a
>> >>>> tone. Someone posted the wrong uplink frequency I think and I just
>> >>>> monitored a wonderful pass with lots of great signals heard in FN21.
>> I was
>> >>>> unable to hear myself and suspect I had the wrong uplink frequency.
>> >>>> Thanks for clarification
>> >>>> 73
>> >>>> Rick, W2JAZ
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>> > _______________________________________________
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