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Re: [Amps] RF in Vehicles

To: amps <amps@contesting.com>
Subject: Re: [Amps] RF in Vehicles
From: Ron Youvan <ka4inm@gmail.com>
Reply-to: ka4inm@gmail.com
Date: Thu, 20 Apr 2017 21:54:58 -0400
List-post: <amps@contesting.com">mailto:amps@contesting.com>
   Mark Bitterlich wrote:
/* snip */
When the transmitter is turned on, one of the internal generators in the aircraft immediately turns off. The generator is a 3 phase 115 VAC 400 Hz model that uses an internal permanant magnetic generator at 40 volts AC 800 Hz, that is in turn regulated to control the field of the generator. This is controlled by a Supervisory Control Panel that controls the field and also monitors for over/under voltage and frequency.

Clearly the Supervisory Control Panel is being impacted by RFI thus shutting the generator down.

Test the situation with an appropriate test load in place of the antenna. Possibly with an appropriate test load in place of the antenna and feedline.
--
  Ron  KA4INM - Youvan's corollary:
                Every action results in unwanted side effects.
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