Quick question, is there anything I can do about this? I just setup my new computer well new to me, I acually re-built it, and now I am getting bad feedback from it from AM. I do not really want to keep turning off the surge protector on it to keep turning it off, is there anything I can do to filter a lot out?
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AM reception problem
- Thread starter jras20
- Start date
R
rbrucecarter5
Guest
Not really. It is pretty broadband in nature. The best solution would be separation between the computer and radio (or antenna).
anytime you have a computer in the same house operating you're going to have interference with am. Since your fm and tv antenna's are outside, you eliminated the interference level that way. Believe it or not computer interference on fm can be much worse than on am. The only option besides an outdo0r am antenna is to turn off the computer.
R
rbrucecarter5
Guest
I agree with mimo - if you want good AM reception, it will take some adjustments in the listening environment. Computers can co-exist if properly constructed, shielded, and far away from radios. Homebrew PC's seldom make the cut - the motherboards are usually nightmares of RFI. Here's what I had to do:
- get rid of automatic night lights (that come on with an optical sensor). Tremendous interference if the bulb burns out.
- get rid of flouescent fixtures and bulbs
- get rid of dimmer switches for lights
- beware of DSL, if not properly done - it makes a lot of noise
- turn TVs off
- anything new, microcontroller controlled, and complicate can produce interference. Beware of new AC / furnace units.
I went around the house with an SR-3, found the obvious stuff and eliminated it. Then, I flipped off breakers one at a time to isolate remaining interference to one breaker circuit. A major culprit turned out to be an old digital clock I had used for years.
Don't want to do that stuff, fine, but you won't get good AM DX either.
- get rid of automatic night lights (that come on with an optical sensor). Tremendous interference if the bulb burns out.
- get rid of flouescent fixtures and bulbs
- get rid of dimmer switches for lights
- beware of DSL, if not properly done - it makes a lot of noise
- turn TVs off
- anything new, microcontroller controlled, and complicate can produce interference. Beware of new AC / furnace units.
I went around the house with an SR-3, found the obvious stuff and eliminated it. Then, I flipped off breakers one at a time to isolate remaining interference to one breaker circuit. A major culprit turned out to be an old digital clock I had used for years.
Don't want to do that stuff, fine, but you won't get good AM DX either.
- Status
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