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Graham Norbury gnorbury at bondcar.comI'm not aware of a master gain parameter. LNA, MIX, IF are the three gain controls. All take value between 0-15. Graham On Thu, Sep 3, 2020, 9:00 PM <op25 at zellners.com> wrote: > > Trying to test out an AIRSPY R2 and the signal level v. an RTL is not > even close. > > I've got -N options for LNA, MIX, IF, but what is the option for the > MASTER GAIN? > > I've tried MAS, MASTER in the -N option, no change in the signal. > > I've tried -g as well no joy. > > > > Example: > ./rx.py --args 'airspy' -N 'MASTER:50,IF:10,MIX:5,LNA:50' -S 2500000 > -f 769.55625e6 -v 7 -T P25PC.tsv -q 2 -V -2 -U -x 2 2>> airspy.log > > ./rx.py --args 'airspy' -N 'IF:10,MIX:5,LNA:15' -S 2500000 -f > 774.55625e6 -v 7 -T P25PC.tsv -q 2 -V -2 -U -x 2 2>> airspy.log > > What is the CORRECT method to set the MASTER GAIN of the Airspys, > using something else its set to 14 for a good signal. > > Thanks. > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/op25-dev/attachments/20200903/4dbbb38a/attachment.htm>