[Discuss-gnuradio] increase gain on tx

[njm25]

I am using the fm_tx4.py example to transmit a simple signal using the Basic TX 
daughterboard.  On the oscilloscope, I am seeing about a 30mV peak-to-peak 
signal and I want to increase this output.  I think you can program the pga 
after the D/A up to 20 dB but I don't know how to do this.  I don't even know 
if this is the best way to do this.  Any help would be appreciated.

Nick