Wednesday, May 5, 2010


This morning after everyone signed, I was testing from Tuscaloosa--just keying the transmitter in CW.  I noticed I was hearing an echo when I unkeyed.  The following audio wave shows the key down as a relatively straight line followed by receiver white noise and the return tone.  You can hear a slight hum when I go key down.  Click here to listen to the wave file shown below.

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