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| | |-+  Used Cessna antenna as a base antenna??
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Author Topic: Used Cessna antenna as a base antenna??  (Read 19021 times)
FlyCMI
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« Reply #15 on: July 16, 2006, 05:07:24 PM »

I made mine set on 125 MHz.  Search the forum for J-pole.  Jason posted directions on there on how to make one.  I finished mine just a couple of days ago, and I couldn't believe how expensive copper has gotten.  For a 10 foot roll it was $20.  I'll have about 35 bucks in this antenna.  I haven't got a change to test it out yet because I don't have any wire.
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NelsonC
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« Reply #16 on: July 16, 2006, 09:22:54 PM »

Well to determine what frequency to cut the J-Pole, you should probably pick one thats close to the main ones you want to listen to...check the closest airport and lets say they use 118 to through 129 and they don't use any more. Then what I would do is 118+129=247 then divide by 2 and you get 123.5 as the middle and tune/cut to that.

If you just want the middle of the aviation band then just add 118+136/2=127MHz...you still will get all the frequencies if you tune to one but the one you tune the pole to will be the strongest and then as you go lower or higher the signal will get a little weaker.....at least thats what I understand.
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Ronski
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« Reply #17 on: July 17, 2006, 03:29:27 PM »

NelsonC and FlyCMI,

 Thanks for your replies.

That will help me to get started on making my first J-Pole.

I'll let you know the results. grin
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"Who am I to blow against the wind"
Lezam
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KJFK Stream Feeder


« Reply #18 on: July 17, 2006, 05:10:54 PM »

NelsonC and FlyCMI,

 Thanks for your replies.

That will help me to get started on making my first J-Pole.

I'll let you know the results. grin


Be careful... Dont burn your fingers off plz  tongue

Remember, use flux! Thats the magic word!
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Ronski
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« Reply #19 on: July 18, 2006, 04:15:16 PM »

     
    Wilco smiley
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"Who am I to blow against the wind"
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