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Re: Digimode low power output
One possibility is the computer time. Must be very precise. If you do not already have a time setting program, there are several available. I happen to be using Dimension4 from:
Is there a way to monitor your signal with another receiver? Distortion or ground loops to the mic input could be an issue. ??? I like to use transformer isolation between the sound card and the rig. Eliminates any potential ground loop issues. Also isolated the PTT line (using RS-232 output) with an opto-coupler.
Here is what I did to interface my Elecraft K2, my 20 Meter Homebrew rig, and the uBITX.: