[amsat-bb] FalconSat-3 sig level to decode
k.swaggart at charter.net
Thu Oct 12 23:05:53 UTC 2017
Yes, Dire Wolf runs on Windows. My doppler correction is with homebrew
software. SatPC or the others ought to work, I'd think.
From: Andrew Rich [mailto:vk4tec at tech-software.net]
Sent: Thursday, October 12, 2017 15:54
To: Ken Swaggart <k.swaggart at charter.net>
Cc: AMSAT -BB <amsat-bb at amsat.org>; Australian APRS Users
<ozaprs at aprs.net.au>
Subject: Re: [amsat-bb] FalconSat-3 sig level to decode
Direwolf is on windows ?
Sent from my iPhone
> On 13 Oct 2017, at 8:17 am, Ken Swaggart <k.swaggart at charter.net> wrote:
> I'm using the AirSpy (not mini) with SDR#. Doppler tuning with
> homebrew software. Haven't noticed lost packets when the SDR freq
> changes, but will be on the lookout for that.
> The audio loopback is Virtual Audio Cable.
> SSB Preamp
> Rotator is a G5500 and LVB Tracker controlled by my homebrew
> software. (I really like the LVB Tracker!)
> Sound modem is Dire Wolf which feeds APRS-IS. At the present time I'm
> just watching the packets scroll by on the Dire Wolf display. My main
> goal was to Igate the FalconSat-3 packets.
> Ken, W7KKE
> -----Original Message-----
> From: Andrew Rich [mailto:vk4tec at tech-software.net]
> Sent: Thursday, October 12, 2017 15:07
> To: Ken Swaggart <k.swaggart at charter.net>
> Cc: AMSAT -BB <amsat-bb at amsat.org>; Australian APRS Users
> <ozaprs at aprs.net.au>
> Subject: Re: [amsat-bb] FalconSat-3 sig level to decode
> Hi Ken
> I thought you might have good antenna
> So your on windows
> + AirSpy Mini
> + SDR#
> + What audio loop back
> + Preamps
> + Rotator - from what program
> + What Sound modem ?
> + What APRS / TNC style program
> - Andrew -
>> On 13 Oct 2017, at 4:12 am, Ken Swaggart <k.swaggart at charter.net> wrote:
>> On this morning's FalconSat-3 pass, I checked the signal required to
>> decode using Dire Wolf. It was 18 dB SNR, so that's roughly S3 +/-
>> above the noise floor.
>> RX setup: AirSpy SDR, SDRsharp, mast-mounted preamp, 15 X 15 X Yagi,
>> Ken, W7KKE
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