[amsat-bb] WSJT-X FT8 QSO confirmed between W2JAZ and W5RKN on FO-29

Dave Webb KB1PVH kb1pvh at gmail.com
Sat Oct 14 14:34:56 UTC 2017


 I feel your email is a little like "Do as I say, not as I do". Aren't you
posting repeatedly asking people to use low power on AO-7, and here you are
attempting a full duty cycle mode on AO-7.


Sent from my Galaxy S7

On Oct 13, 2017 11:18 PM, "Ronald G. Parsons" <w5rkn at w5rkn.com> wrote:

> A few days ago, Rick, W2JAZ, asked me if the new, short, weak signal
> protocol, FT8, could be used on satellites. I posited it might work near
> AOS or LOS where the Doppler corrections are small. FT8 is operationally
> similar to the older protocols but four times faster (15-second T/R
> sequences) and less sensitive by a few dB.
> So we set out to configure our satellite stations to use WSJT-X with FT8.
> With some configuration advice from W0DHB, we each got our systems
> configured. Mine (W5RKN) is a Flex-6500 with two DEMI transverters running
> SmartSDR, SatPC32, FlexSATPC, and WSJT-X. Rick’s (W2JAZ) is a Flex-5000
> with U/V module, running PowerSDR, SatPC32, FlexSATPC, and WSJT-X.
> After a couple runs on AO-7 without success, we tried again tonight on the
> 0220Z (14 Oct) pass of FO-29. I started out at my AOS calling CQ W5RKN
> EM10. After several transmissions without success, the reply W5RKN W2JAZ
> FN29 popped up on the screen. Then followed the usual signal report, RRR
> and 73 transmissions.
> As soon as I can figure out the appropriate fields for LoTW, we’ll log the
> QSO there.
> I am not aware of other WSJT-X QSOs on the satellites, so I’d be
> interested in other’s experiences,
> Ron and Rick
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