The monitor program is a C GTK2 program. It is designed to be a stand alone program providing a waterfall on a different frequency that the ghpsdr receiver.
monitor accepts the following command on the command line.
--receiver 0|1|2|3 (default 0)
Receiver that this client is attached to (Please note singular). Also please not that receivers are 0 based.
--server 0.0.0.0 (default 127.0.0.1)
ip address of the server machine. Default is the localhost (127.0.0.1).
--frequency 0 (default 0)
The center frequency of the waterfall spectrum.
--update 15 (default 15)
The center update rate of the waterfall spectrum. The range is 1-40/second. (default 15/second).
--high -60 (default -60)
The upper limit of the color for the waterfall signal intensity (default -60 db).
--low -130 (default -130)
The lower limit of the color for the waterfall signal intensity (default -130 db).