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Old October 5th 05, 09:10 PM
 
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Default 6m on top or bot of TV ant???thanks

I would like to ''do this'' because I lack tower space, at present.. I
have a TV antenna that is on a small tower at about 28' , with a tv
rotor. I also have a 6 meter horz ground plane , (you know the one
that looks like a 'pie slice') I would like to add this horz gd plane
to the tower,,,,,,,,, my question is this,,, would I be better off
putting it on top of the Tv antenna or below?, what would be a 'good
spacing' one way or the other (6 on top or 6 below )
I would like to get some use out of the 6 now, because it will be a
while before I get another tower up. $$$
Thanks in advance. cl 73
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Old October 6th 05, 01:21 AM
Dale Parfitt
 
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wrote in message
...
I would like to ''do this'' because I lack tower space, at present.. I
have a TV antenna that is on a small tower at about 28' , with a tv
rotor. I also have a 6 meter horz ground plane , (you know the one
that looks like a 'pie slice') I would like to add this horz gd plane
to the tower,,,,,,,,, my question is this,,, would I be better off
putting it on top of the Tv antenna or below?, what would be a 'good
spacing' one way or the other (6 on top or 6 below )
I would like to get some use out of the 6 now, because it will be a
while before I get another tower up. $$$
Thanks in advance. cl 73


Sounds to me like you have a PAR Omniangle, not a ground plane. A (vertical)
ground plane antenna is commonly a 1/4 wave or 5/8 wave vertically polarized
antenna with 3 or 4 ground radials. The Omniangle is a horizontally
polarized omni antenna.
If this is the Omniangle keep it 4' or so away from the TV antenna. Expect
some TVI on low VHF channels.

Dale W4OP


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Old October 13th 05, 02:03 PM
Tam/WB2TT
 
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wrote in message
...
I would like to ''do this'' because I lack tower space, at present.. I
have a TV antenna that is on a small tower at about 28' , with a tv
rotor. I also have a 6 meter horz ground plane , (you know the one
that looks like a 'pie slice') I would like to add this horz gd plane
to the tower,,,,,,,,, my question is this,,, would I be better off
putting it on top of the Tv antenna or below?, what would be a 'good
spacing' one way or the other (6 on top or 6 below )
I would like to get some use out of the 6 now, because it will be a
while before I get another tower up. $$$
Thanks in advance. cl 73


Doesn't sound like a good idea. There will be enough coupling between the
antennas that there is a chance you will burn out the front end of the TV.
If the TV has protection diodes on its inputs, that will be a source of TVI
when you transmit.

Tam/WB2TT


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