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Re: [RFI] Aquarium Heater

To: Ken Alexander <k.alexander@rogers.com>, "rfi@contesting.com List" <rfi@contesting.com>
Subject: Re: [RFI] Aquarium Heater
From: dalej <dj2001x@comcast.net>
Date: Thu, 10 Feb 2011 03:05:36 -0600
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
That's correct.  On cheap heaters you can actually see the arc.  The better 
heaters had a capacitor across the contacts and I never had a problem with 
those.  (Superior brand).  I think I might still have one left.  I maintained a 
number of fish tanks at one time, but it just got to be too much to take care 
not to mention all the room it required. It is a very interesting hobby though. 
  

73
Dale, k9vuj


On 09, Feb 2011, at 20:21, Ken Alexander wrote:

> Someone please correct me if I'm wrong but I think it's (arcing across) the 
> contacts on a bi-metallic thermostat in the heater that makes the noise.
> 
> 73,
> 
> Ken Alexander
> VE3HLS
> 
> 
> --- On Wed, 2/9/11, KD7JYK DM09 <kd7jyk@earthlink.net> wrote:
> 
>> Out of curiosity, how much RFI can a piece of nichrome wire
>> produce?
>> 
>> Kurt
>> 
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