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Rewiring , filters, twisted pairs.
In article ,
"Doug Dotson" wrote: Bruce, Have you actually had problems as extreme as you are relating to here or have you just been reading the catalogs and seeing products that you feel will keep ypu out of trouble? Noise filters I have heard of. Never heard them referred to as power filters though. I've never had to resort to anything other than a few ferrite beads to solve noise problems. Some minor comments below. Doug s/v Callista Oh yea, I have seen some real Doozies of RFI in the last 35 years that defied the easy fixes that most folks use. Noise is ALWAYS easier to stop at the source, than at the receiver. Inverters aren't to bad if you get them installed with short battery leads, and they are designed for the Marine Enviormewnt. Trace used to build some fairly quiet ones. Radars have a very nasty habit of haviung the interconnect cable come ungrounded one one end or the other and radiating noise at the PRR. the Decca 101's were notorious for this. some of the Rartheon Marine Radars run Chopped Dc up the interdeck cable, to power the transmitter and if the cable ground opens, they radiate like crazy. Most of the alaskan fishing fleet has Oil fired stoves in the galley that use DC Blower Motors. These make a big racket when not suppressed with Caps. Refer motors are the same game as well. If you really want a quiet MF/HF boat, you got to pay the price in RFI Suppression. Bruce in alaska -- Bruce (semiretired powderman & exFCC Field Inspector for Southeastern Alaska) add a 2 before @ Bruce Gordon * Debora Gordon R.N. Bruce's Trading Post P.O. Box EXI Excursion Inlet South Juneau, Alaska 99850 Excursion Inlet, Alaska 99850 www.btpost.net www.99850.net |
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