Ok Pete ! Have a nice day.
73, Rudolf Pete Smith wrote: > Glad you found it useful, Rudolph. It will be important with this > unit that the chassis of your computer is well grounded to the same > reference point as the chassis of your transceiver, because Tripp Lite > says that the incoming pulse is diverted to ground through the cable > to the computer end. > > 73, Pete N4ZR > > The World Contest Station Database, updated daily at > www.conteststations.com > The Reverse Beacon Network at http://reversebeacon.net, blog at > reversebeacon.blogspot.com, > spots at telnet.reversebeacon.net, port 7000 > > > On 7/19/2010 5:02 PM, hb9ari wrote: >> Pete, >> >> The "Tripp-Lite DB9" seems to be a good solution! >> No work necessary inside the K3. >> Will find a representative in Switzerland or do >> a direct order. >> >> Thanks for valuable information! >> >> Best 73, >> >> Rudolf, HB9ARI >> >> Pete Smith wrote: >> >>> Thanks to the Elecrafters who responded with a raft of good ideas. >>> That >>> included W8JI, W4TV, K9YC, W9AC, N7MG, NN4X, KX4O, W3FPR, and AI4VZ >>> (more or less in the order in which they responded. I hope I have >>> understood and can render all the input correctly >>> >>> Consensus seems to be that grounding, particularly making sure that all >>> chassis are bonded together with the station entry panel and the >>> powerline ground, is the best protection. I think this likely is where >>> I went wrong, because I had just completed the radio and had not yet >>> grounded it to my station bus, which is 3/4" copper pipe behind the >>> radios, wired to the station entry panel with heavy copper. As I write >>> this I'm in the midst of going through my station to make sure that >>> everything is properly grounded. >>> >>> Several people provided ideas for component level protection, but W9AC >>> found the Tripp-Lite DB9, which is a nicely packaged in-line protector >>> that (they say) use "balanced arrays of high-speed avalanche diodes" to >>> shunt the energy to ground. At $20 including shipping (Newegg was the >>> cheapest I found) it can't hurt. I probably couldn't build it that >>> cheaply, and it might help, particularly in combination with the >>> grounding improvements. >>> >>> >>> >> ______________________________________________________________ >> 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

