On Mon, 16 Mar 2009 18:50:18 -0400, K8AC wrote: >The sensitivity of the TR7 is certainly lacking on the higher bands and a >good preamp is a great addition and doesn't require any metal work. I >bought one of the DF4NW preamps and you can turn it on/off by using one of >the TR7 front panel pushbuttons that's very rarely used for its original >purpose.
My sensitivity measurements don't bear this out. Sensitivity is relatively flat across the HF spectrum, and I did all of my critical measurements on 10 meters. 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://radiojim.exofire.net http://incolor.inetnebr.com/jshorney http://www.nebraskaghosts.org _______________________________________________ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist
