Second to that concern. I burned up the 2 meter GaAsFET preamp/relay in my TE Systems amp while running my 6 meter amp to its Yagi on the same Christmas tree.
John Ragle -- W1ZI ===== On 3/2/2011 9:29 PM, Jim McDonald wrote: > Before I got my K3 I had a ham move in 1000' from my antenna, and I wasn't > pleased. In my previous location in AZ, I was 1700' from a ham too. > > In both cases, I used an ICE front-end saver, which is cheap insurance. See > http://www.iceradioproducts.com/reconly.html#rflimiter . > > I used a Model 196, but I see they also have a model that includes a > lightning arrestor / static drain, and another pair for 30-500 MHz. > > I'd like to hear from someone more technically qualified than I am (that > means almost anyone) about the adequacy of the ICE units. > > My last neighbor was in a rental house. He moved out after a year, and I > breathed a sigh of relief. > > Jim N7US > > > > -----Original Message----- > > > Yes you should be concerned. I would think about bandpass filtering and > probably disconnecting the K3 when not on the air. I was looking at the > mods for the K3 and noticed one that addressed this issue. > > Are we talking city lot or 20 acre parcels? > > W0MU > > On 3/2/2011 6:38 PM, w0ih wrote: >> My next door neighbor is a ham and recently upgraded to a Icom 7700, 200 >> watt. >> >> The antennas for my K3 are pretty close to his. I have a set of dipoles >> (160, 75, 60 that share a common feedline) that are about 30 feet off one >> leg from the neighbor's HyTower (75 thru 10 full size vertical). I have a >> TH11DX up at 50 feet (boom is loaded for 40 meters also, separate > feedline) >> and he has a TH5DX at very close to the same level, directly east of my >> tower, about 100 feet away. >> >> I have a Heathkit SB 220 amp (2 kw input?). Neighbor runs barefoot for > now. >> So, my question is, do I need to be concerned about damage to either rig? >> I'm assuming that we can't operate the same bands at the same time. Our >> operating schedules seem to be very different for now. But I'm wondering > if >> there could be input damage from one operating on any band, even if the > rig >> is off. >> >> I was wondering if the K3 input is grounded through a relay when turned > off, >> and similarly on the 7700. >> >> Any thoughts? >> >> Mike > > ______________________________________________________________ > 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

