[R-390] UnBal for R-390A

[2002tii]

Tim wrote:

>The worst situation for me is a vertical, because it picks up circa 
>25V to 30V of RF relative to ground from a local BCB (630 
>kc)  station. The doublet or the attic loops, kept balanced all the 
>way, is picking up only a fraction of that.
>
>Heck, a scope probe in my basement, if I touch it with my finger, 
>picks up several volts of RF at 630 kc :-).

Interesting.  Judging from your e-mail address, I presume you are 
proximate to WMAL, which operates with 10 kW day and night with 
different directional patterns (neither of which has outlandish gain 
in any direction).  25-30 V is the kind of signal I'm accustomed to 
getting quite close to a 50 kW transmitter.

>The lesson for me even if nobody else wants to hear it, is that a 
>doublet fed with balanced line works great!

Indeed it does.  Most folks these days don't want to put up both halves, though

Best regards,

Don