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Total 2 documents matching your query.

1. Re: LF: Electronic water softeners (score: 1): Author: "Walter Blanchard" <[email protected]>; Date: Mon, 05 Nov 2001 22:19:21 +0000; 73 de John Rabson G3PAI Don't know about LF but they throw harmonics up into all the HF bands. I've had constant interference on 20, 15 and 10 from one thats about 500 metres away for the last five y; /rsgb_lf_group-archives/html/rsgb_lf_group/2001-11/msg00385.html (9,172 bytes)
2. LF: Electronic water softeners (score: 1): Author: "John Rabson" <[email protected]>; Date: Mon, 05 Nov 2001 18:54:47 +0100; My ion-exchange resin water softener needs replacing. I am thinking of trying one of the electronic systems, but wonder if there are any LF QRM concerns (and how do I measure the hardness of the wate; /rsgb_lf_group-archives/html/rsgb_lf_group/2001-11/msg00392.html (7,948 bytes)

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