In this case, the lightning protection is on the antenna side of the matching unit, so it isn’t at 1:1 SWR or 50 Ohms. At 10:1 VSWR, we would see 500 V peak at 500 W.
wunder K6WRU Walter Underwood CM87wj http://observer.wunderwood.org/ (my blog) > On Feb 24, 2018, at 4:46 PM, Bob McGraw K4TAX <[email protected]> wrote: > > Based on the specification of 500 volts peak, 5KW at 50 ohms = 500 volts. > It would seem the PL-259 is adequate for ham radio applications per > specification to 0.3 GHZ or 300 MHz without issues. Of course one is dealing > with 50 ohms, which implies essentially a 1:1 SWR. > > 73 > > Bob, K4TAX > > On 2/24/2018 4:53 PM, [email protected] wrote: >> Really? An Amphenol UHF connector only has a 500v rating. >> >> John KK9A >> >> >> Bill Johnson k9yeq wrote >> >> 1000v to me could be too low for a 500W amp. You can for the time being >> leave the plug out, just disconnect when you are not using your equipment. >> I use a remote disconnect to remove the antennas at my remote grounding >> panel. >> >> 73, >> Bill >> K9YEQ >> >> ______________________________________________________________ >> 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] ______________________________________________________________ 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]
