[op25-dev] rx.py Airspy MASTER GAIN Setting option?????

Graham Norbury gnorbury at bondcar.com
Fri Sep 4 01:10:46 UTC 2020


I'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>


More information about the op25-dev mailing list