Water intrusion? 73, Rick wa6nhc
Tiny iPhone 5 keypad, typos are inevitable > On Dec 15, 2014, at 9:28 AM, Vic Rosenthal 4X6GP/K2VCO <[email protected]> > wrote: > > The good news is that I called MFJ, got a technician immediately, he agreed > that the 30M trap is the problem, and said he would send me a new one under > warranty. Elecraft-style service (so far). > > The bad news is that despite the statement in the manual that it is rated at > "1500W CW," he told me not to exceed 800-1000 watts. Not Elecraft-style > design/documentation! > > So if you have an R8 or similar antenna, be warned. I wasn't tuning up or > running RTTY -- I was calling CQ on 40M running about 1200W. > > Other bands are unchanged but 30 and 40M are gone. > > Thanks to everyone that responded. > >> On 15 Dec 2014 15:07, David Cole wrote: >> Hi, >> >> No matter what happens, you will probably end up taking the antenna >> down... If nothing else to check to be sure it is fine... >> >> Grab an analyzer and connect it as close to the antenna base as >> possible, and see if it is resonant on all bands... Probably won't >> anymore. If you are lucky, it is some strange feedline thing, or a >> connector issue, but having the antenna work on some bands, while not on >> others reeks of blown trap. I fear your diagnosis is in fact >> correct... >> >> If you are going to "fix" it, and if it were me, I would get a trapless >> antenna of some sort... No traps blow. I currently use a GAP >> Challenger DX, (trapless), and have a band by band review of it at: >> http://nk7z.net/review-of-the-challenger-dx-antenna-by-gap-antenna/ >> >> The antenna takes power, and does not break, I have run 1000 Watts into >> it on RTTY for 15 minutes with no issues. I have had it up for at least >> 7 years, and I think 10 or more years. Never a problem beyond the three >> radials coming off once... It is a pretty good performer on 40, and 20. >> I finally got one of the mono gaps, and it does a good job. I do take >> it down every few years and check things, and change out anything that >> looks like it is going bad. > > > -- > 73, > Vic, 4X6GP/K2VCO > Rehovot, Israel > http://www.qsl.net/k2vco/ > ______________________________________________________________ > 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 > Message delivered to [email protected] ______________________________________________________________ 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 Message delivered to [email protected]

