WSPR 2.1 for I/Q SDRs

As noted here yesterday, the "Tx dB" slider was inadvertently left in a disconnected state in WSPR 2.1 r2206. This omission is corrected in r2207, available at:

I have also updated the "WSPR 2.1: Supplement to User’s Guide". A new version is posted at

and can be called up from the WSPR 2.1 Help menu.

-- 73, Joe, K1JT