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Total 15 documents matching your query.

1. [RFI] Aquarium Heater (score: 1): Author: "Bob Turner" <n2scj@msn.com>; Date: Wed, 9 Feb 2011 15:45:20 -0500; I am considering purchasing an Aquarium and it will need a heater around 225 watts. I've heard (no pun intended) RFI is a known problem with Aquarium heaters. Are there any good or bad models I shoul; /archives//html/RFI/2011-02/msg00036.html (6,802 bytes)
2. Re: [RFI] Aquarium Heater (score: 1): Author: "KD7JYK DM09" <kd7jyk@earthlink.net>; Date: Wed, 9 Feb 2011 17:42:12 -0800; 225 Out of curiosity, how much RFI can a piece of nichrome wire produce? Kurt _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/; /archives//html/RFI/2011-02/msg00038.html (7,316 bytes)
3. Re: [RFI] Aquarium Heater (score: 1): Author: Ken Alexander <k.alexander@rogers.com>; Date: Wed, 9 Feb 2011 18:21:33 -0800 (PST); 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 _________________________; /archives//html/RFI/2011-02/msg00039.html (8,098 bytes)
4. Re: [RFI] Aquarium Heater (score: 1): Author: Eric - VE3GSI <ve3gsi@sympatico.ca>; Date: Wed, 9 Feb 2011 21:35:06 -0500; Hi Bob, I use to have 4 Hagen Tonic heaters and detected no RFI problems. They use solid state switching and unlike the old mechanical thermostat products of years gone by, don't arc which was the ca; /archives//html/RFI/2011-02/msg00040.html (8,219 bytes)
5. Re: [RFI] Aquarium Heater (score: 1): Author: "Bob Turner" <n2scj@msn.com>; Date: Wed, 9 Feb 2011 22:20:20 -0500; Thanks. Perhaps I will purchase the heater first with a money back guarantee. Set it up in a bucket of water and listen for interference. I should know in a day or so if its noisy, if so, take it bac; /archives//html/RFI/2011-02/msg00041.html (8,818 bytes)
6. Re: [RFI] Aquarium Heater (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Thu, 10 Feb 2011 00:05:43 -0800; You're asking the wrong question. Some of the right questions are, "what is the nature of the current source for the heating element, what is the waveshape, what is the spectra, and what is the enclo; /archives//html/RFI/2011-02/msg00042.html (8,204 bytes)
7. Re: [RFI] Aquarium Heater (score: 1): Author: dalej <dj2001x@comcast.net>; Date: Thu, 10 Feb 2011 02:59:22 -0600; Years (actually decades ago) ago when I had numerous tanks of exotic tropical fresh water fish, I used Superior tank heaters and never had a problem. Some of the cheap heaters generate noise when the; /archives//html/RFI/2011-02/msg00043.html (8,982 bytes)
8. Re: [RFI] Aquarium Heater (score: 1): Author: dalej <dj2001x@comcast.net>; Date: Thu, 10 Feb 2011 03:05:36 -0600; 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 hav; /archives//html/RFI/2011-02/msg00044.html (9,263 bytes)
9. Re: [RFI] Aquarium Heater (score: 1): Author: Peter Laws <plaws@plaws.net>; Date: Thu, 10 Feb 2011 09:02:42 -0600; The guy at the fish store will NOT know these answers. :-D -- Peter Laws | N5UWY | plaws plaws net | Travel by Train! _______________________________________________ RFI mailing list RFI@contesting.c; /archives//html/RFI/2011-02/msg00045.html (8,971 bytes)
10. Re: [RFI] Aquarium Heater (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Thu, 10 Feb 2011 10:14:26 -0500; OTOH, if the heater's thermostat is a standard thermo-mechanical type, you probably don't need to know all that. I tracked down a noise source a few years ago that turned to be an older, heated dog d; /archives//html/RFI/2011-02/msg00046.html (9,629 bytes)
11. Re: [RFI] Aquarium Heater (score: 1): Author: Bob Turner <n2scj@msn.com>; Date: Thu, 10 Feb 2011 11:12:28 -0500; Thanks for all the comments. This a summary. 1) they can be noisy 2) they can be quiet - possible quiet brands are Hagen Tonic, and Superior My plan is to confirm the PetSmart money back guarantee ha; /archives//html/RFI/2011-02/msg00047.html (11,048 bytes)
12. Re: [RFI] Aquarium Heater (score: 1): Author: Brendan Minish <ei6iz.brendan@gmail.com>; Date: Thu, 10 Feb 2011 16:21:25 +0000; Why would anyone heat a dog Dish? Just curious.. -- 73 Brendan EI6IZ _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/r; /archives//html/RFI/2011-02/msg00048.html (9,109 bytes)
13. Re: [RFI] Aquarium Heater (score: 1): Author: Howard Lester <howard220@gmail.com>; Date: Thu, 10 Feb 2011 11:25:06 -0500; I suppose it is used by dog owners who like to keep their dogs outside even in ice cold weather. Howard _______________________________________________ RFI mailing list RFI@contesting.com http://list; /archives//html/RFI/2011-02/msg00049.html (9,411 bytes)
14. Re: [RFI] Aquarium Heater (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Thu, 10 Feb 2011 11:45:43 -0500; Which many do, particularly with large and/or hunting dogs. It also provides water while outside in freezing weather, even if the dog comes in for the night. We have an outside cat who couldn't live; /archives//html/RFI/2011-02/msg00050.html (10,288 bytes)
15. Re: [RFI] Aquarium Heater (score: 1): Author: dalej <dj2001x@comcast.net>; Date: Thu, 10 Feb 2011 11:00:29 -0600; For the same reason we bird lovers keep heated bird baths....to keep the water from freezing, :) Dale,k9vuj _______________________________________________ RFI mailing list RFI@contesting.com http://; /archives//html/RFI/2011-02/msg00051.html (9,372 bytes)

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