Idaho is a great place for our hobby. That is where I got my start in the 80's from Don KA7T. Good luck. I am excited about the chatter the last week or so about our wishes for an amp. Hope it happens. There have been some great ideas so far.
Today is a good day to have a Great Day! 73 Ron Wilcox KF7ZN On Wed, Mar 29, 2017 at 4:07 PM, Rick WA6NHC <wa6...@gmail.com> wrote: > Or in my case, the use of ladder line (durned HOA infested area) to handle > the near 20:1 on 160M (better on most other bands) so that the loss is from > the tuner to the antenna, not the final. > > My solution is that I'm moving to a location better suited for antennas, > far far away in a land called Idaho. ;-) > > Rick wa6nhc > > > On 3/29/2017 11:47 AM, Ron D'Eau Claire wrote: > >> An SWR approaching 10:1 means high RF voltages on a coaxial line at the >> voltage loops and high current flows at the current loops requiring a very >> heavy-duty transmission line - likely a nitrogen-filled hard line at 1.5 kW >> or, at the very least, a very heavy Teflon insulated line. In practice, it >> is usually the voltage breakdown that kills coax. >> >> Of course high SWR also means high losses between the amp and the antenna. >> >> The power ratings published by coax cable suppliers are based on a low >> SWR -- typically less than 1.5:1. >> >> The bottom line is that going QRO means a more careful design and >> installation of the entire antenna system. >> >> 73, Ron AC7AC >> >> >> >> -----Original Message----- >> From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of >> brian >> Sent: Tuesday, March 28, 2017 4:31 PM >> To: elecraft@mailman.qth.net >> Subject: Re: [Elecraft] Amplifier thoughts >> >> KAT500 handles a much wider SWR range (like to about 10:1). >> >> Why do you assume people are lucky enough to have antennas with no more >> than a 3:1 SWR across the ham bands? >> >> Yes, higher SWR's require beefed up components but welcome to the real >> world. >> >> 73 de Brian/K3KO >> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:Elecraft@mailman.qth.net >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to wa6...@gmail.com >> > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to rgloga...@gmail.com > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
