Jay, W6CJ wrote: I downloaded the KXB3080 manual and had some questions:
How hard is it to put together for a KX-1 that has already had the KXB30 30M unit and auto antenna tuner installed? Has anyone found some universal wire antenna lengths that will work with the KX-1 and internal antenna tuner - over all four (80, 40, 30, 20) bands? ---------------------------------- As the manual indicates, the first step is to remove the KXB30 module if one is installed. Then it's the same process as for a KX1 that did not have the KXB30 module. The KXAT1 tuner just unplugs, as described in the manual. The manual shows how to install a simple jumper that routes RF to the antenna jack for testing until you're done with the upgrade and ready to replace the KXAT1. There's more to the KXB3080 upgrade than for just the KXB30 because for the KXB3080 installation the whole receiver input circuit is modified. It's changed from a simple capacitively-coupled input to a transformer-coupled input. What you get for the effort is a receiver with slightly improved performance on all the bands, not just on 80. I've seen some posts of people working on combinations of wire lengths for an 80/40/30/20 meter antenna that the KXAT1 can match easily, but I haven't followed them closely. I'll leave it to one of those who actually did that work to answer that question. Ron AC7AC _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
