Height of Radiation Center Above the Average Terrain2

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TopNotch
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Height of Radiation Center Above the Average Terrain2

Post by TopNotch »

Filing the application with FCC looks like the Radiation Center Above the terrain is generated automatic, looks like it gives me an error, since this number should be 92 but it marks 57.

I tried to change the number to 92 but there is not space to insert it.

some one with experience about FCC filing on Antenna Data?

Look attached.
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ABOVE TERRAIN.jpg
TPT
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Re: Height of Radiation Center Above the Average Terrain2

Post by TPT »

Yes, this doesn't make sense. I plugged your coordinates into the FCC AHAAt program and came up with an antenna height above average of 91 meters.

Here's what I used...the coordinates you show, listed as NAD 83; then your height above ground of 88.4 for the center of radiation. You list the height above mean sea level at the site as 4.6 meters, hence the COR would be 93 meters AMSL. Put this in the program for 8 radials, and the result is an antenna height above average terrain of 91 meters.
TopNotch
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Re: Height of Radiation Center Above the Average Terrain2

Post by TopNotch »

Thank You TPT,

All is OK, all information filed with FMCommander show 92meters using FCC 30 Sec Terrain Data, so the file is OK, but the form with FCC automatic calculate wrong in this case. but all is OK.

Thanks a lot.
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