Re: [Discuss-gnuradio] PSK demodulator and Doppler

2014-09-03 Thread Mike Willis
Hi Colin, Not really, though there is an AX25 style header. Far from ideal 0110 flags. Mike From: Colby Boyer [mailto:colby.bo...@gmail.com] Sent: 03 September 2014 03:11 To: Mike Willis Cc: GNU Radio Discussion Subject: Re: [Discuss-gnuradio] PSK demodulator and Doppler

Re: [Discuss-gnuradio] PSK demodulator and Doppler

2014-09-03 Thread Vanush Vaswani
there is an AX25 style header. Far from ideal 0110 flags. Mike *From:* Colby Boyer [mailto:colby.bo...@gmail.com] *Sent:* 03 September 2014 03:11 *To:* Mike Willis *Cc:* GNU Radio Discussion *Subject:* Re: [Discuss-gnuradio] PSK demodulator and Doppler On Tue, Sep 2, 2014 at 10:09 AM, Mike

Re: [Discuss-gnuradio] PSK demodulator and Doppler

2014-09-03 Thread Tom Rondeau
*From:* Colby Boyer [mailto:colby.bo...@gmail.com] *Sent:* 03 September 2014 03:11 *To:* Mike Willis *Cc:* GNU Radio Discussion *Subject:* Re: [Discuss-gnuradio] PSK demodulator and Doppler On Tue, Sep 2, 2014 at 10:09 AM, Mike Willis willis...@gmail.com wrote: I am trying to develop

Re: [Discuss-gnuradio] PSK demodulator and Doppler

2014-09-03 Thread mleech
: [Discuss-gnuradio] PSK demodulator and Doppler On Tue, Sep 2, 2014 at 10:09 AM, Mike Willis willis...@gmail.com wrote: I am trying to develop a satellite ground station using the PSK demodulator block. This works fine when tuned accurately. However, with low satellites there is quite a bit

Re: [Discuss-gnuradio] PSK demodulator and Doppler

2014-09-03 Thread Iain Young, G7III
there is an AX25 style header. Far from ideal 0110 flags. Mike FROM: Colby Boyer [mailto:colby.bo...@gmail.com] SENT: 03 September 2014 03:11 TO: Mike Willis CC: GNU Radio Discussion SUBJECT: Re: [Discuss-gnuradio] PSK demodulator and Doppler On Tue, Sep 2, 2014 at 10:09 AM, Mike Willis willis

Re: [Discuss-gnuradio] PSK demodulator and Doppler

2014-09-03 Thread madengr
Just curious, any estimate on how much temperature drift in PPM you are getting? Thanks, Lou KD4HSO Mike Willis wrote ...and there is also some frequency drift with satellite temperature as it enters or comes out of eclipse. -- View this message in context:

[Discuss-gnuradio] PSK demodulator and Doppler

2014-09-02 Thread Mike Willis
I am trying to develop a satellite ground station using the PSK demodulator block. This works fine when tuned accurately. However, with low satellites there is quite a bit of Doppler at VHF / UHF and there is also some frequency drift with satellite temperature as it enters or comes out of

Re: [Discuss-gnuradio] PSK demodulator and Doppler

2014-09-02 Thread Colby Boyer
On Tue, Sep 2, 2014 at 10:09 AM, Mike Willis willis...@gmail.com wrote: I am trying to develop a satellite ground station using the PSK demodulator block. This works fine when tuned accurately. However, with low satellites there is quite a bit of Doppler at VHF / UHF and there is also some