[Discuss-gnuradio] question about the qa_ofdm_sync_sc_cfb.py

2015-11-07 Thread w xd
Hi all, Thank you in advance.I‘'m so confused about the block Schmidl & Cox synch, 1.I'm check the qa_ofdm_sync_sc_cfb.py to try to understand the block. The original sequence: 5 zeros+4 cp_len+10 fft_len+14 data Just like this:[0, 0, 0, 0, 0, 1, -1, -1, -1,

[Discuss-gnuradio] Drawing lines on WX or QT instrumentation?

2015-11-07 Thread David Hoelzer
Please forgive me if this has been asked but I’ve searched extensively and not found anything. I’ve also taken a pass through the code tree and nothing jumps out at me for this. Is there anything exposed to Python from the WX or QT widgets that would allow me to lay vertical lines across an FF

Re: [Discuss-gnuradio] Relative Newbie Question: PSK Demod Block - RDS/RDBS Data Recovery

2015-11-07 Thread Kevin McQuiggin
Thank you Tom, I will adjust the decimation and then take a look at your other suggestion. I’ll keep you posted as to how it goes. At least I feel that I am on the right track now! Kevin > On Nov 7, 2015, at 11:02 AM, Tom Rondeau wrote: > > > > On Sat, Nov 7, 2015 at 12:40 AM, Kevin McQui

Re: [Discuss-gnuradio] SSB/CW/FM tranceiver

2015-11-07 Thread Marcus D. Leech
On 11/07/2015 04:13 PM, Mike Willis wrote: GQRX works very well but is there or might there be any plans to develop a comprehensive tranceiver based on gnuradio? SDRs like the hackRF and the Ettus USRPs provide great building blocks for a VHF/UHF amateur radio station, with only filtering and am

Re: [Discuss-gnuradio] SSB/CW/FM tranceiver

2015-11-07 Thread Kevin Reid
On Nov 7, 2015, at 13:13, Mike Willis wrote: > GQRX works very well but is there or might there be any plans to > develop a comprehensive tranceiver based on gnuradio? > > SDRs like the hackRF and the Ettus USRPs provide great building blocks > for a VHF/UHF amateur radio station, with only filt

[Discuss-gnuradio] SSB/CW/FM tranceiver

2015-11-07 Thread Mike Willis
GQRX works very well but is there or might there be any plans to develop a comprehensive tranceiver based on gnuradio? SDRs like the hackRF and the Ettus USRPs provide great building blocks for a VHF/UHF amateur radio station, with only filtering and amplification needed to cover all bands from 4m

Re: [Discuss-gnuradio] Relative Newbie Question: PSK Demod Block - RDS/RDBS Data Recovery

2015-11-07 Thread Tom Rondeau
On Sat, Nov 7, 2015 at 12:40 AM, Kevin McQuiggin wrote: > Hi All: > > I hope that this is not too simple a question for the group. I have spent > several weeks working on this issue (reading, studying, experimenting), and > as success is still elusive, it is time to ask for assistance. Thanks i