Hi Mike,
You do have an alternative: Rather than using a random wire length, chose a wire length that produces well under 10:1 VSWR on the frequencies you intend to use. For end fed random wires, avoiding wire lengths close to multiples of 1/2 wavelength should be safe with the K3 tuner. 73 Frank W3LPL ----- Original Message ----- From: "Mister Mike" <w...@near-fest.com> To: donov...@erols.com Cc: elecraft@mailman.qth.net Sent: Sunday, December 13, 2020 1:04:26 AM Subject: Re: [Elecraft] Tuning Random-Length Wire Antenna with K3 Internal Tuner?? That is pretty much what I thought. I will have to read the fine manual and see how the automatic tuner works. Picked up this K3 in a swap deal a while back but I am still pretty much stuck ( happily) in the Collins KWM-2/S-Line “Stone Age” so I need time and patience (lots) to figure how to use these marvelous appliance radios. In any event I have a MAC-200 made by SGC who make pretty darn good tuners which I can use but that is another box to take along if I do a road trop. 73 to all.... Michael, W1RC On Dec 12, 2020, at 6:37 PM, donov...@erols.com wrote: <blockquote> Hi Mike, </blockquote> <blockquote> Its not wise to use the K3 antenna tuner to tune a random wire. A truly random wire can easily produce VSWR greater than 10:1 which is likely to damage the K3 tuner when running at full K3 output power. Its much wiser to use an external tuner with a random wire 73 Frank W3LPL -----Original Message----- From: elecraft-boun...@mailman.qth.net <elecraft-boun...@mailman.qth.net> On Behalf Of Mister Mike Sent: Saturday, December 12, 2020 9:42 AM To: elecraft@mailman.qth.net Subject: [Elecraft] Tuning Random-Length Wire Antenna with K3 Internal Tuner?? What is the best way to do this? I am not familiar with automatic tuners. </blockquote> ______________________________________________________________ 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
