I also found one of the big oil filled dummy loads at a Hamfest. It handles 500W easily. I bring a phone powered USB powered VNA with me to Hamfests to check things out. You never know what you will find!
73, Mark W7MLG On Dec 28, 2016 8:25 AM, "David Olean" <[email protected]> wrote: > It always pays to keep your eyes open. The local (and only ) surplus > store here has a pile of heat sinks that look just great for a 250 watt > solid state PA. The good part is that they also have a pair of SMA > connectors, PC boards, and associated flanged 50 ohm resistor good for > several hundred watts. I think I paid $15 for one, so I got two DC to 2.4 > GHz dummy loads for $7.50 each. It is easy to modify them for what ever > connector you want. Jim is right, but always bring a pocket ohm meter! heh > heh. > > > Dave K1WHS > > > On 12/28/2016 8:52 AM, Jim Brown wrote: > >> On Wed,12/28/2016 12:26 AM, Edward R Cole wrote: >> >>> I have a big old Sierra Electronic 500w coaxial load with heat sink and >>> built in power meter; weighs about 40-50 lbs; makes a dandy door stop, >>> too! It is rated to 1000-MHz. >>> >> >> I found a nice oil-cooled dummy load with a big heat sink integral to it >> at a hamfest many years ago. It's rated 500W continuous. That was a good >> day. Doorstop -- you betcha! :) Measured it with my VNWA and found that >> it's good well into UHF. No attached power meter though, but found a nice >> Bird with some slugs on another day. >> >> I've also found industrial quality 10W and 100W dummy loads at hamfests >> that were salvaged from cell sites. One purchase yielded nearly ten of them. >> >> This is the sort of stuff I look for at hamfests (some call them flea >> markets or swap meets). Also high quality connectors and adapters. >> >> 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 >> 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]
