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nikim: This is from area 51. The top hat can be tuned by changing the length of the tips. Check this on out by wildbill. http://www.digitalhome.ca/forum/showpost.php?p=968772&postcount=269

 

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Thank you nikiml for the simple GH4 with simple Top hat. This should work well for me.

 

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I have been running you GH with Hat narods and split Al. foil reflector set at 14" for all most 2 years. It should work with mesh.

 

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ch32 and ch9 are still analog at 35 NM and ch23 at 15NM, but cann't get ch 23 any more now that they went digital.

 

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Boukman:g0=2 9/16 g1=16 3/8 g2=6 1/16 g3=16 15/16 a1=9 3/4 a2=7 1/4 a3=7 5/8 z1=6 7/8 z2= 12 z3= 17 7/16 b=4 1/4 off set 13 3/8 L1=36 29/[email protected] L2=31 7/[email protected] 5/16. To make top hat 14 21/32 up 3 15/32 and out 11/16 off of each end add 4 1/2 stubs. All dimensions in inches.

 

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rick5127: What is the gap on the bottom green reflector? Is it 1 3/4".

 

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rick5127: You do not need to pull off at an angle (use 0 degrees). Just run your 6 gauge to get a 1" or 0.5" gap make your balun connection and run your coax to the mast. Note for 6 gauge the space should be 1" not 0.5. Z=276log(2S/D)

By the way, can you get WCMZ Ch.28 ?

 

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rick5127: In the model there is a wire across the feed points. It's that wire that the antenna
is reduced to.

 

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Pelo1968: Look at a top hat like this. http://www.digitalhome.ca/forum/showpost.php?p=956862&postcount=204
You can use a spit mesh reflectors with it at 3.5" or 14". It will not be as good a nikiml's,
but it will give you something to play with.