[ARC5] Can yoiu say...

[David Stinson]

----- Original Message ----- 
From: "K5MYJ" <macklinbob at gmail.com>


> In the 50's and 60's there were two primary causes of TVI.
> One was that TV receivers of that period had 21MHz IFs. 80M and 
> 40M multiplied directly to 21MHz. Then there was 15M. Straight 
> in!
> The other was TV receiver overload. A lot of people just used 
> "Rabbit Ears". And real roof mounted antennas were not a whole 
> lot better.

Agreed.  But that can be said of all rigs of the time,
not just military surplus.  If  Command Sets "generated"
TVI for those causes, so did Collins and Johnson rigs.
Overload doesn't care what generates it.