There's more than one way to skin a cat. You can "fake" an AUX-7 by installing diode networks on the bottom of the parent board, similar to this:
http://www.dproducts.be/drake_museum/rx_0-1_5_mhz.htm It can get ugly, but if you only want, for example, WARC bands or VLF receive, it's not too bad. 73 -Jim On Sat, 8 Oct 2011 14:05:26 -0500, David wrote: >One way to provide additional band slots for the transmit and receive is to >find and place an Aux-7 board in the radio. These are hard to find. The >solution I use on the several TR-7 units I have had is to use the scheme of >Robert Morrow, WB6GTM in the July 1982, QST. It is a diode programmable >board for any 500 KC segment. The boards I used were made by Farr radio >(probably still available) and plug into the aux 7 slot. Work fine and no >surgery is required.. -- Ham Radio NU0C Lincoln, Nebraska, U.S.S.A. TR7/RV7/R7A/L7, TR6/RV6, T4XC/R4C/L4B, NCL2000, SB104A, R390A, GT550A/RV550A, HyGain 3750, IBM PS/2 - all vintage, all the time! "Give a man a URL, and he will learn for an hour; teach him to Google, and he will learn for a lifetime." HyGain 3750 User's Group - http://groups.yahoo.com/group/HyGain_3750/ http://incolor.inetnebr.com/jshorney http://www.nebraskaghosts.org _______________________________________________ Drakelist mailing list [email protected] http://mailman.zerobeat.net/mailman/listinfo/drakelist
