[Milsurplus] Military and Commercial tune-Up.

[WA5CAB at cs.com]

Many although not all of the WW-II sets had phantom antennas for that 
purpose.  When the older open wire equipped medium power sets were replaced by 
newer ones with more or less fixed impedance outputs and using coaxial cable, 
the newer sets often included dummy loads.

In a message dated 4/30/2010 9:42:03 AM Central Daylight Time, 
brunneraa1p at comcast.net writes: 
> Maybe you guys know...  I've often wondered how commercial and military
> transmitters were initially tuned up without causing unacceptable
> interference. (500 kc. anyone?) Maybe they used a dummy load with the
> same R and X as the actual antenna, which would have been pretty
> sophisticated for the era.
> 
> Richard, AA1P
> 

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480