There are also two pin 1 mods that solved my problems. Search the Alerts Enhancements page on the Elecraft website.
Buck k4ia On 3/18/2011 6:18 PM, Jim Brown wrote: > On 3/18/2011 2:51 PM, Elecraft K3 wrote: >> I am experiencing a confounding problem with Ham Radio Deluxe, Digital >> Master 780 and my K3. I've determined that HRD polling the K3 is >> introducing a croaking pulse-like noise into my signal chain. > I strongly suspect that HRD is NOT causing this problem, but rather a > problem with either the computer or the K3 generating RF trash on the > serial connection. This is not uncommon, and generally is the result of > a Pin One problem at one or more of the data and/or audio ports. > Virtually all computer sound cards and data ports have Pin One problems. > > IF the trash is coupled by RF to the antenna(s), a SERIOUS multi-turn > ferrite choke on the problematic cable(s) should help. The choke should > be tuned (by varying the number of turns) to cover the frequency range > where you are hearing interference. > > Study http://audiosystemsgroup.com/RFI-Ham.pdf > > 73, Jim K9YC > ______________________________________________________________ > 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 ______________________________________________________________ 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
