Have a look on this german pages where a TR7 and a RV7 are to be equipped with a DAFC each. May be it helps a bit...
http://www.dl7maj.de/DAFC-deLuxe_dt.pdf 73 de Karl, DK7AL Am 01.01.2011, um 23:00:01 schrieb Jim Shorney: > On Sat, 01 Jan 2011 13:49:51 -0500, Richard A. (Tony) Stalls wrote: > >My TR7 drifts around 100-150 Hz PTO during the first hour. After > >that it calms down a bit, but it still drifts. I've come up with a > >couple of potential solutions, but to be truthful, I don't know > >enough to competently decide if they're what I want. > > Do you have the optional fan on the radio? The fan, properly oriented to > pull air OUT, will help keep the temperature around the PTO more stable > through TX/RX cycles. > > >Does anybody have any experience with either of these huff-puff > >stabilizers, or is there a better way? How about for the RV7? > > If I understand the application of these gadgets, you would need one inthe > RV-7 too. > > 73 > > -Jim > > > -- > 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 _______________________________________________ Drakelist mailing list [email protected] http://mailman.zerobeat.net/mailman/listinfo/drakelist
