[ARC5] BC sets and others

[Dennis Monticelli]

A short whip or wire at BCB frequencies is nothing more than a low value
capacitor to the input circuits so the coupling is probably just a
connection to a high Z resonant tank.

Dennis AE6C


On Wed, Jan 22, 2014 at 5:06 AM, Robert Eleazer <releazer at earthlink.net>wrote:

> "The short vertical antennas need a lot of RF gain."
>
> True, and I read that in the cars of the 20's and 30's the top was often
> fabric.  The radio antenna was wire stitched into the fabric.
>
> And this brings up another question.  I believe that car radios use a
> rather unusual high impedance antenna input?  A friend of mine once hook up
> his car radio to his 2M 5/8 wave antenna, figuring it would beat the pants
> off of the original car whip antenna.  He was astonished that he got
> nothing at all.
>
> Of course with FM the antenna is far less critical.  Just about anything
> will work.
>
> Also as far as loops being directional, my 1978 Toyota Celica has an
> antenna built into front windshield, in a loop shape.  And it has shown
> itself to be rather directional.
>
> Wayne
>
>
>
>
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