Does the noise go away if you disconnect the serial cable at the computer? If it does, the cable is poorly shielded/poorly grounded to the K3.
Good Luck - Monty, K2DLJ > Mitch Mitchell wrote: >> >> Hello, >> >> I have been hearing an annoying noise on 160m that has a pulse rate of >> about 1/3 of a second. After observing the behavior when I do certain >> things with my K3 and my computer I found that the source of the pulsing >> is Ham Radio Deluxe polling the K3 for VFO changes -- it polls every >> 300ms. However, when HRD is shut down (no other serial port activity) >> the >> noise is still present as a constant tone with no pulsing effect. ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
