We've used this FSK modem quite a lot for balloon telemetry and have
wondered from time to time if we need scrambler. So far we have never
found "the smoking gun" which would be the timing estimator falling over.
Having said that I think we may have included a scrambler in one version
of the telemetry.
A related problem is burst operation ... how to get timing sync just as
a signal starts.
- David
On 14/06/18 23:02, Steve wrote:
On Thu, Jun 14, 2018 at 12:14 AM David Rowe <da...@rowetel.com> wrote:
Just want to point out that, last time I tested them, the 4FSK waveforms
work just fine - unmodified and without a scrambler.
It was just a what-if that was suggested as an experiment. I'm over it now.
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