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Stephen ctx50026 at centurytel.netHi, I'm trying to do everything in c++ instead of using python. I've got it working. Mostly. Well, sort of. I have a couple of questions about what to do with the frequency correction messages coming from the fsk4demod block. I'm seeing a constant stream of frequency correction messages when there is no signal present. They quickly cause the channel selection filter I'm using to tune way off frequency. If I don't process those messages I get voice output so I know everything else is working. Some channels I tune to seem to work just fine with out needing any tuning. But other times I see transmissions where I don't get any voice output. I'm wondering if in those cases the tuning is needed ? In looking at the grc file it just subtracts the correction. When I look at the uhd_p25_rx_gl.py file it's doing a calculation with the correction and limiting it. Does one method work better than the other? So, does anyone have any suggestions or any idea why I would be getting a constant stream of the messages? thanks, Stephen -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/op25-dev/attachments/20120623/35102dcd/attachment.htm>