Hi Joe,
it is a pity you cannot use QO-100 and see how much fun it is.
We already had several DX-pedition challenging the footprint of QO-100 and successfully operated at zero degree elevation or slightly below.
Also QO-100 is used by many operators with a portable setup.
Building a QO-100 groundstation is not rocket science but for many of the 4000+ (?) Hams using QO-100 it was the first time they build a setup for the GHz range (2.3GHz up, 10 GHz down).
Once you are QRV is there is plenty of opportunity to optimize the system especially in order to improve the sensitivity and antenna.
Also a lot of new software has been developed and is used by the community, both for the narrowband transponder including the new high speed multimedia modem but also for the wideband (DATV) transponder.
Kind regards
Matthias
Von: Gary <[email protected]>
Gesendet: Montag, 8. August 2022 21:25
An: [email protected]
Betreff: [AMSAT-BB] Was: RE: Re: Fixing the FM Stompfest Now: Phase IV satellite
Since we are on the topic of a GEO sat. Am I the only one the questions the point of a GEO bird from a ham radio perspective? No doppler, no propagation, no antenna pointing, just set up your station and have comms with
anyone in the footprint. To me it feels like the internet at that point. I see how this could be a great thing for emergency communications, but not so much for amateur ‘sport’.
I am curious if they would accept this for amateur radio awards like DXCC and VUCC?
Just my thoughts, 73,
Joe kk0sd
From: David G0MRF via AMSAT-BB <[email protected]>
Sent: Monday, August 8, 2022 2:09 PM
To: [email protected];
[email protected]
Subject: [AMSAT-BB] Re: Fixing the FM Stompfest
Probably correct Zach.
Also, the commercial operators usually have narrow beamwidth antennas for a single country or group of countries.
If I recall the presentations on QO-100, the antennas fitted were 2.4GHz (circular) and 10GHz (linear) horn antennas specifically designed to cover all
of the visible part of the planet.
73
David G0MRF
-----Original Message-----
From: Zach Metzinger <[email protected]>
To: [email protected]
Sent: Mon, 8 Aug 2022 18:46
Subject: [AMSAT-BB] Re: Fixing the FM Stompfest
On 8/8/22 13:37, Ashhar Farhan wrote:
> What does it cost to hire a fraction of a transponder? I assume that you
> can buy/lease fractional bandwidth on a commercial bird. The VSAT
> industry runs that way, isn't it?
I may be incorrect, but I don't believe the transponders have the
passband for our spectrum allocations (as they would be out of band for
commercial operations).
--- Zach
N0ZGO
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