[BC] 50 Ohm Load...
Milton R. Holladay Jr.
miltron at mindspring.com
Thu Mar 26 05:14:12 CDT 2009
Going through the rocker switch will affect Z a small amount, variable with
the way the connections are dressed and laid out.
Resistance of the coax is not a factor; any length terminated in its rated
R will still measure its rated R at the other end; an infinite length wll
still measure its rated R (This is Coax 101.) Unless it's defective, of
course..........<g>
M
----- Original Message -----
From: "Ronald J. Dot'o Sr." <ron.doto at comcast.net>
> From: <BOYDSIRBOYD at aol.com>
>
>> RON,
>>
>> don't forget the resistance of the cable/coax going from the transmitter
>> to
>> the ATU.
>> this could be several ohms, and is not accounted for if you tune at the
>> input of the ATU.
>>
>> bill
>
> Although I've never actually measured the heliax resistance but with a
> minimum reflected reading and only a 15' run from TX out to ATU in I'm
> pretty sure that it's not enough to take into account. Maybe 1/4 of an
> ohm? Or would that be 250 milliohms?
>
> Ron D
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