On 9/23/97 11:30 AM, RICHARD ANDREN at andrenr@ul.com wrote:
>Now I'm getting confused..... Doesn't an antenna act and resonate
>differently depending on it's height (I think). Is this true? I've tuned
>antenna's 10 feet of the ground, and had to retune when they were 60 feet
>off the ground.
Proximity to the ground (and other objects) affects the electrical
characteristics of the antenna, hence changing its resonance.
>Also, I thought a tuner would correct the L and C to obtain resonance
>(within reason) so you could resonate any object... screen door, gutters,
long wire,
>etc. Ok, I probably need to read more.
You are correct. Such a condition is known as a conjugate match.
Bill Coleman, AA4LR, PP-ASEL Mail: aa4lr@radio.org
Quote: "Not in a thousand years will man ever fly!"
-- Wilbur Wright, 1901
--
FAQ on WWW: http://www.contesting.com/tentecfaq.htm
Submissions: tentec@contesting.com
Administrative requests: tentec-REQUEST@contesting.com
Problems: owner-tentec@contesting.com
Search: http://www.contesting.com/km9p/search.htm
|