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Re: RDS Question
To: CRTech <crtech@crtech.org>
Subject: Re: RDS Question
From: Kevin Kidd <kkbroadcastengineering@gmail.com>
Date: Fri, 22 Sep 2017 22:14:21 -0500
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In-reply-to: <CAOkhgWqLak_U9m=Ymhe3AL5kc8_Yn+ftP3EYQ7tMrGC6Jnn0nA@mail.gmail.com>
References: <CAP8KTHZz0TUPNJq8NoxpVOqp946jP_DVpYaHhWV8YAEen_KLPg@mail.gmail.com> <010b01d333a0$61c9b7b0$255d2710$@wfcj.com> <CAHL64sHq8JqAvOF=VqN=gntS1AozDZpepHXBhzP4ULdTrLTbNA@mail.gmail.com> <004501d333ab$055a1410$100e3c30$@com> <59c55dc3.124a240a.f6c1.1565@mx.google.com> <CAOkhgWqLak_U9m=Ymhe3AL5kc8_Yn+ftP3EYQ7tMrGC6Jnn0nA@mail.gmail.com>
The rule of thumb is that almost every FM signal anomaly manifests itself as increased modulation of the carrier.  The modulation monitor manufactures are very quick to point out that anything other than a direct connection to the test port on a transmitter is subject to interpretation.

Inovonics off air mod monitors are great pieces of equipment but if subjected to multipath, interference or weak off air signals, weren't _meant_ to be trusted any further than you can throw them.

Kevin C. Kidd, CSRE/AMD
Lawrenceburg, TN
AM Ground Systems Company  -  WD4RAT
kkidd@kkbc.com  --  866-22-RADIO -- 866-227-2346

On Fri, Sep 22, 2017 at 6:42 PM, Willie Barnett <wbradiolists@gmail.com> wrote:
I can't give details, but I have seen this kind of thing happen with measuring signals from elsewhere.

Follow-Ups: Re: RDS Question
(Willie Barnett <wbradiolists@gmail.com>, 25 Sep 2017 13:24:49 -0000)
References: RDS Question
(Steve Tuzeneu <stuzeneu@gmail.com>, 22 Sep 2017 10:21:48 -0000)
RE: RDS Question
("John Graham" <john@wfcj.com>, 22 Sep 2017 12:43:31 -0000)
Re: RDS Question
(Kevin Kidd <kkbroadcastengineering@gmail.com>, 22 Sep 2017 13:31:05 -0000)
RE: RDS Question
("Bill Hurne" <billhurne@pilgrimradio.com>, 22 Sep 2017 13:59:46 -0000)
RE: RDS Question
(Alan Kilgore <wrvm.engineer@gmail.com>, 22 Sep 2017 19:00:29 -0000)
Re: RDS Question
(Willie Barnett <wbradiolists@gmail.com>, 22 Sep 2017 23:42:11 -0000)
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