[OZAPRS] [amsat-bb] Falconsat-3 Test 2 - Signalink USB Sound Card 9k6

[Andrew Rich]

I do have the turnstile ready to go up 

Andrew 


> On 12 Oct 2017, at 5:28 pm, Mark Jessop <lenniethelemming at gmail.com> wrote:
> 
> A vertical will definitely not be ideal for satellite reception: 
> - Your gain is in the wrong place (for the most part)
> - Depending on spacecraft orientation (and the TLE's don't tell you this!), you may have significant polarisation loss.
> 
> Do we have any information on if the satellite is transmitting linearly or circularly polarised? (my guess is linear, like pretty much everything on 70cm up there)
> 
> With regards to receive systems, i've had *some* success with a 70cm turnstile + MiniKits 70cm masthead preamp, on my 70cm SatNOGS ground station.
> 
> I'm not 100% sure the pattern on the turnstile is a quite right, I think it's a bit narrow. I also have various obstructions around the antenna which produce nulls in interesting directions.
> A plot from a recent-ish observation is here:
> https://network.satnogs.org/observations/19338/ <https://network.satnogs.org/observations/19338/>
> That strong interferer doesn't help the FSK9k6 demodulator much either... 
> 
> I've got a few FalconSat passes queued up for the next few hours:
> https://network.satnogs.org/observations/19670/ <https://network.satnogs.org/observations/19670/>
> https://network.satnogs.org/observations/19671/ <https://network.satnogs.org/observations/19671/>
> Data will show up on these pages after the observations have occurred in a few hours.
> 
> At some point I'll see what I can get with my Kenwood TH-D72 and a yagi antenna.
> 
> 73
> Mark VK5QI
> 
> 
> 
> On Thu, Oct 12, 2017 at 5:29 PM, Andrew Rich <vk4tec at tech-software.net <mailto:vk4tec at tech-software.net>> wrote:
> I did not see a lot of signal - I am not convinced my SNR is good enough
> 
> I would like to try a hill and a yagi
> 
> Andrew
> 
> 
> > On 12 Oct 2017, at 4:54 pm, Rick Kowalewski <rick at vk6xlr.net <mailto:rick at vk6xlr.net>> wrote:
> >
> > Sure it can:
> >
> > Here's copied data from a few days ago:
> > 1:Fm PFS3-1 To TLMC-1 <UI R Pid=F0 Len=4> [20:56:49R] [AA] [+--++--]CL:0
> > 1:Fm PFS3-1 To LSTAT <UI R Pid=F0 Len=46> [20:56:49R] [AA] [---+---]I P:0x13A8 o:0 l:26062 f:26092, d:1 st:6 e:cb
> > 1:Fm PFS3-1 To TIME-1 <UI R Pid=F0 Len=64> [20:56:58R] [AN] [-------]PHT: uptime is 707/07:49:24.  Time is Fri Oct 06 12:57:53 2017
> > 1:Fm PFS3-11 To PBLIST <UI R Pid=F0 Len=11> [20:59:01R] [NN] [+--+---]PB: Empty.
> >
> > On 12/10/2017 14:29, Andrew Rich wrote:
> >> ICOM 910H
> >>
> >> 9k6 ON
> >>
> >> Signalink with UZ7HO sound modem FSM G3RUH 9600 baud
> >>
> >> Elevation 89.4 degrees
> >>
> >> MacDoppler correction 435.112 MHz to 435.xxx MHz
> >>
> >> No Packets copied
> >>
> >> 435.112 MHz Start heard a change in static
> >>
> >> I am not convinced the SignalLink can do it
> >>
> >> I am going to move across to a my FunCube Dongle and use Software Defined Radio to try and snag it
> >>
> >> Will report back
> >>
> >> I can certainly hear the 9k6 rush from the bird
> >>
> >> Diamond X300 BS antenna LDF4-50
> >>
> >> Andrew VK4TEC
> >
> > _______________________________________________
> > Sent via AMSAT-BB at amsat.org <mailto:AMSAT-BB at amsat.org>. AMSAT-NA makes this open forum available
> > to all interested persons worldwide without requiring membership. Opinions expressed
> > are solely those of the author, and do not reflect the official views of AMSAT-NA.
> > Not an AMSAT-NA member? Join now to support the amateur satellite program!
> > Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb <http://www.amsat.org/mailman/listinfo/amsat-bb>
> 
> _______________________________________________
> OZAPRS mailing list
> OZAPRS at aprs.net.au <mailto:OZAPRS at aprs.net.au>
> http://lists.aprs.net.au/mailman/listinfo/ozaprs <http://lists.aprs.net.au/mailman/listinfo/ozaprs>
> 
> _______________________________________________
> OZAPRS mailing list
> OZAPRS at aprs.net.au
> http://lists.aprs.net.au/mailman/listinfo/ozaprs

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.aprs.net.au/pipermail/ozaprs/attachments/20171012/ddf7977c/attachment.html>