Go to K0BG.com and read everything. His site is probably the best resource on the internet for mobile operations.
Mike On Sun, Aug 23, 2020 at 3:17 PM Rick NK7I <rick.n...@gmail.com> wrote: > Not only is the accessory circuit shared with others, it is often loaded > with noises from the electronics in the vehicle. They can harm both > your RX and TX signals. > > It takes a little time to run #12 ROMEX (with 40 or 50 A mobile, > self-resetting circuit breakers at the battery to protect the wire, > fuses for radios AT the radios; both positive and negative) but the > returns are worth it. You'll have to remember to turn the K3 OFF each > time you start the engine; the wandering voltage could cause harm or > scramble the settings. Also bond to chassis AT the K3 to keep some RFI > down... > > *IF* you have a newer vehicle that measures current draw and charging > rate at the battery (sometimes via the negative pole), you'll want to > use that sensor point for negative connection; not at the battery. > > That's the super quick description, to start a foundation of proper set up. > > 73, > Rick NK7I > > > > > >> I am planning to put my K3 in the car for the upcoming Tennessee QSO > Party > >> so that I can go rover/expeditionary. > >> > >> With that comes a question: Powering from that accessory socket which > >> appears limited to 15 amps instead of the 20 amps that the K3 wants at > full > >> power, do I understand right that reducing to 50 watts output and taking > >> the -3dB will work out in terms of power draw? > >> > >> In the past, I have done QRP and would like to be a bit louder this > time. > >> Thanks to all who might respond. > >> > >> -- > >> 73 de Ted Edwards, W3TB and GØPWW > > ______________________________________________________________ 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
