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Q about Car radio antennas

D

dxer2_2000

Hi

Are there any laws that dictate the highest length your car radio antenna can be?

Mine is 2m high, must be getting near the longest length allowed?

dxer2_2000
 
2 meters (about 6.5 feet) high? Is that from street level or from where your antenna starts? There's a bridge not too far from where I live that has a clearance of 11 feet 2 inches (3.61 meters). Would that be pushing it for you?<P ID="signature">______________
The 2006 New York Yankees...on to title #27!</P>
 
> 2 meters (about 6.5 feet) high? Is that from street level or
> from where your antenna starts? There's a bridge not too far
> from where I live that has a clearance of 11 feet 2 inches
> (3.61 meters). Would that be pushing it for you?
>
Based on the previous post, I'd say that the maximum height is pretty much self-limiting.
 
> Mine is 2m high, must be getting near the longest length
> allowed?

I can't imagine why you would want an antenna too much bigger.

Bigger does not always mean better in an antenna. Give me a resonant antenna any day. At 100 Mhz, the middle of the band, a 1/4 wave whip would be a little longer than 2 feet. I suppose a 5/8 wave might be slightly higher in gain; but, even then, it's not a super-long piece of steel.

You could get exotic and make a colinear or something, but, why? A couple of db here and there is not something you're going to notice very much. But, it'll be a pain to make and maintain, and make your car look -- well -- kinda stupid.

But, length of an antenna is going to be a state/local law issue. While my state and town do not have limits, I can't speak for where you live.

Have fun with it.

DE
 
> 2 meters (about 6.5 feet) high? Is that from street level or
> from where your antenna starts? There's a bridge not too far
> from where I live that has a clearance of 11 feet 2 inches
> (3.61 meters). Would that be pushing it for you?
>

My antenna is 2m high from its base! - Gives fantastic reception on FM & really kicks on AM! - New Zealand can be heard at night REAL clear! North Americans give huge hets on 10khz splits.
This on a Pioneer Super tuner 3-D (CD/Mp3 unit).

dxer2_2000
 
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