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Re: AM tower tuning affected by fog
To: CRTech <crtech@crtech.org>
Subject: Re: AM tower tuning affected by fog
From: Rick Jesse <javajava56@gmail.com>
Date: Mon, 15 May 2017 10:29:58 -0500
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In-reply-to: <351958278.783157.1494861019270@email.1and1.com>
References: <CAB42DVrodG897SP4SoUs9vKMz-6cNGbVtbwA3Oh2ipNG5pgNaw@mail.gmail.com> <351958278.783157.1494861019270@email.1and1.com>
Yep.  I'm with Lou.  Check your connections and especially soldered joints.


On Mon, May 15, 2017 at 10:10 AM, Lou Mueller <loumueller@wedoradio.com> wrote:

Tom,

When you notice this are you out of compliance (5% ratio / 3 degrees phase)? Do the parameters come back to normal after the fog lifts? Is only tower 3 affected?  My experience has been is the operating parameters are actually changing on one tower i has an effect on the other towers' parameters too. May have an issue with your sample system. 

Lou Mueller - Louis Mueller Broadcast Service

Altamonte Springs, FL

On May 15, 2017 at 10:25 AM Tom Van Gorkom <tomvangorkom@gmail.com> wrote:

Any AM guys out there? We have an AM 4 tower directional array. For the first time in my 4 years here, two foggy mornings in a row affected adversely tower 3, the negative tower in the night pattern, but strangely, it had no affect on the tuning parameters of the others that I would normally see if it was really out of tune.

I cleaned up all vegetation around the towers just in case, checked and cleaned the relays, checked other connections but could not see anything obvious. It's running perfect otherwise and I am not sure how to reproduce the problem.

Any ideas?

Tom Van Gorkom
Radio Esperanza Engineering, KRIO AM/FM, KOIR FM
Office: 956-380-8150  
Cell: 865-803-7427

Rio Grande Bible Institute
4300 S US Hwy 281
Edinburg, TX 78539
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Follow-Ups: Re: AM tower tuning affected by fog
(Tom Van Gorkom <tomvangorkom@gmail.com>, 15 May 2017 15:52:28 -0000)
References: AM tower tuning affected by fog
(Tom Van Gorkom <tomvangorkom@gmail.com>, 15 May 2017 14:26:10 -0000)
Re: AM tower tuning affected by fog
(Lou Mueller <loumueller@wedoradio.com>, 15 May 2017 15:10:33 -0000)
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