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[RFI] Pool Pump RFI

To: RFI List <rfi@contesting.com>
Subject: [RFI] Pool Pump RFI
From: Jim McCook <w6ya@cox.net>
Date: Wed, 30 Sep 2020 21:21:22 +0000
List-post: <mailto:rfi@contesting.com>
Today I finally got the answer to my complaint of pool pump RFI from Fluidra, a national distributor for the Jandy Pool Pump next door.  As expected, they assume no responsibility because of their claim that their product (a multispeed motor) "meets all codes and regulations required as well as those of the FCC."  This issue prompted my post on Sept 2:  RFI- A Losing Battle.  I know I'm not the only one who has reported pool pump RFI, which can be devastating.

Yesterday I noticed the 24.896 MHz signal strength on my calibrated K3 S-meter was S-8, which translates to 25 uv at the antenna terminal.  On that band my antenna is a rotary dipole, 100 ft away from the pool pump.  On other bands (10m and 6m) the strength is less, but still a very serious interference when those bands are active and signal levels are low.  12 meters WILL be active again in a few years.

If you are considering installation of new or replacement of old pool equipment, I suggest you avoid Fluidra and Jandy products like the plague.  I also suggest you have a contract with the installer that payment is contingent on no evidence of RFI generated by the equipment.  I have friends who have done this successfully with solar installers.  If they refuse to include such a clause, find another installer.  Please pass this on to all friends who are considering such a purchase. - Jim W6YA
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