[Lowfer] FCC Comments on antenna length!

Ed Phillips [email protected]
Wed, 17 Mar 2004 14:52:05 -0800


Mike Staines wrote:
> 
> I am on a list that discusses low power transmitters and, as to be expected,
> the conversation turned to antenna length for part 15.
> 
> So someone decided to write the FCC.
> 
> And they got an answer. I think the answer would even surprise John Davis
> 8-)
> 
> The question was about the 3 meter antenna length for the Broadcast band but
> I am assuming that the answer applies to all bands. It is chilling
> regardless of the antenna you run.
> 
> I asked the originator to tell us which FCC official replied.
> 
> The FCC reply:
> ===================
> The intent of Section 15.219 is for a maximum 3 meter wire antenna.
> 
> The total length of the antenna plus ground lead plus connecting lead
> must not exceed 3 meters.  The rule doesn't permit a 3 meter diameter
> "top hat" but should be applied to the combined length of each
> radial. If the combined length of each radial added to the length of
> the antenna vertical structure added to the length of the ground
> wire exceeds 3 meters, it would not be permitted.
> ====================
> 
> I don't think I am going to sleep well tonight...
> 
> Mike
> wm1ke

	Don't ask don't tell!

Ed