I have not tried that, but you can certainly push and hold the ATU Tune button and bypass the tuner whenever you like. If you have two antennas connected you can change antennas with the ANT button. Whether it would remember and change automatically I don't know and I would have to change some wiring to find out. One thing that we have not mentioned is that the second SO239 and the relay to switch between two antennas is part of the KAT3, so if you want to have two antennas you need it. The points people are making about the tuner at the antenna are certainly valid in many circumstances, but unless you are really hard pressed for funds there is no down side for having the KAT3 installed. I am pondering buying one to install in my TS-440 for mobile. I bought a MFJ-927 to use mobile, but I have not been able to make it work. Willis 'Cookie' Cooke K5EWJ
________________________________ From: callen1155 <callen1...@yahoo.com> To: elecraft@mailman.qth.net Sent: Wed, February 24, 2010 5:13:17 PM Subject: Re: [Elecraft] Thoughts on internal vs external ATU for K3 Thanks guys for all the info. I have one other question about the ATU use with two antennas. Say I have two antennas connected to the ATU , one is a dipole (non resonant- need the ATU to 'match') and the other antenna is a Hustler BTV6 (which i've just purchase having never used a vertical) which is supposedly resonant across all it's operating bands. So, i assume I don't really need to use the ATU 'tune/match' functionality for the Hustler (it's just providing the connector). So can i have the ATU 'activated' for the dipole antenna (antenna A) but non-activated for the hustler (ant B)? Question would apply to both the K3 and K2 ATU's. Thanks so much for all the help. chuck -- View this message in context: http://n2.nabble.com/Thoughts-on-internal-vs-external-ATU-for-K3-tp4627735p4629233.html Sent from the [K3] mailing list archive at Nabble.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 ______________________________________________________________ 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
