[amsat-bb] AO-7 broadband noise in passband.
nss at mwt.net
Thu Jun 1 12:34:52 UTC 2017
Which mode are you seeing the humps?
The Original Rolling Ball Clock
On 5/31/2017 11:02 PM, Bill Bordy, NJ1H wrote:
> I have been observing AO-7 quite a bit lately and I have noticed three
> broadband humps in my panadapter display. I also see these in W5RKN
> panadapter captures at:
> This confirms these are being transmitted from AO-7. They disappear
> immediately after the mode switch in his captures. I also observed
> this today at 31 MAY 2017 about 19:03 UTC during a mode switch.
> Does anyone have an explanation of why these occur? The obvious might
> be some sort of signals on the uplink. Has anyone identified if these
> signals occur throughout the world or just in specific areas. If you
> look at these, a large part of AO-7's power output is being used to
> transmit the broadband humps.
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