[BC] Shunt Feed AM Antennas

[Milton R. Holladay Jr.]

WBCU's 3 tower array , put up in the 50s, is guy top loaded
M
----- Original Message ----- 
From: "Phil Alexander" <dynotherm at earthlink.net>
To: "Broadcasters' Mailing List" <broadcast at radiolists.net>
Sent: Thursday, March 01, 2007 11:13 AM
Subject: RE: [BC] Shunt Feed AM Antennas


> On 28 Feb 2007 at 9:42, PeterH5322 wrote:
> 
> > 
> > >I thought 
> > >I might have missed something special, but apparently it is a typical
> > >top load, and they want to prove correct installation and continuity.
> > 
> > It is a typical top load, but circularity _and_ current distribution 
> > tests were mandated.
> 
> When you consider that neither test is particularly onerous, and that 
> the FCC staff may have unanswered questions, especially when you
> consider some of the potential problems that might transpire during
> construction, I don't see this as an unreasonable requirement. They
> probably should mandate it on all top loaded radiators, at least where
> the top loading is done with guywire sections IMHO. Basically, I see it
> as confirmation of correct installation of the top load. If they wanted
> a non-D survey of EACH tower, I'd probably squawk, but a non-D proof
> from the reference tower and current distribution run on each tower
> really is not that much extra work. Considering the relaxation of 
> 73.151/73.186 over the last several years, how can anyone complain?
> 
> ---------------------------------------------
> Phil Alexander, CSRE, AMD
> Broadcast Engineering Services and Technology 
> (a Div. of Advanced Parts Corporation) 
> Ph. (317) 335-2065   FAX (317) 335-9037