TopTen has a nice A/B switch with pretty good isolation characteristics. See: https://toptendevices.com/products/ab-station-selector/ <https://toptendevices.com/products/ab-station-selector/> It requires a 12V signal for switching, I believe.
Array Solutions also sells some devices that may be of interest. 73! Jack, W6fB > On Feb 17, 2019, at 12:30 PM, Tom <elecraft.l...@videotron.ca> wrote: > > Hi, > I use a Kat500 with my K3 and KX3. However, I have a number of other radios > which I would like to use with the Kat500. So I'm looking for a antenna > switch that can change inputs in some way based on an electronic signal. The > signal can be via serial device, or network doesn't matter. Anyone know of > such a programmable switch? > Thanks, Tom > Va2fsq.com > > -----Original Message----- > From: elecraft-boun...@mailman.qth.net <elecraft-boun...@mailman.qth.net> On > Behalf Of Bob McGraw K4TAX > Sent: February 17, 2019 3:06 PM > To: elecraft@mailman.qth.net > Subject: Re: [Elecraft] Coax Switches > > Smart man and decisions and the way to do things correctly. Glad to see this. > > 73 > > Bob, K4TAX > > > On 2/17/2019 9:38 AM, James F. Boehner MD via Elecraft wrote: >> I use the Alpha Delta Series. They have SO-239 and "N" connector models, >> two position or four position. For the price difference, I always get four >> position. >> >> They are not only well built switches, but they do have surge protection >> (gas) with a replaceable pill. Their best feature is the very high >> isolation they offer: >> >> 30 MHz >60 dB >> 150 MHz >50 dB >> 450 MHz 50 dB >> >> And dB Loss: >> >> 30 MHz 0.1 dB >> 150 MHz 0.15 dB >> 450 MHz 0.5 dB >> >> So, I wish these could be remotable. However, they are the best switches >> I've found for a reasonable price, and I have many of them in my station. >> >> Oh yes, on the outside of my house, I have polyphasers. >> >> '73 de JIM N2ZZ >> >> >> >> I do use a number of Daiwa 2-position coax switches for various >> purposes. Any comments on coax switches? >> >> Bill W2BLC K-Line >> >> > > ______________________________________________________________ > 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 elecraft.l...@videotron.ca > > > --- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus > > ______________________________________________________________ > 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 jackbrin...@me.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
