[amsat-bb] ISS Repeater Clarification

[John Brier]

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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>