[MRCA] AS-2259 mast impedance

[W7QHO at aol.com]

In a message dated 7/25/06 1:57:23 PM, ersmar at comcast.net writes:


> 
>      With help from the dimensions from Breck's AS-2259 mast (thanks,
> Breck), I calculate (below) that the impedance of the mast is around 46
> Ohms, depending on what I assume for the dielectric constant of the
> dielectric material in the mast.  So 50 Ohms might not be a bad number for
> me (us?) to use in developing matching circuits for the base.
> 

Might be a good idea to verify this result with an MJF or other antenna 
analyzer in an actual field configuration before proceeding further.

Dennis D. W7QHO
Glendale, CA