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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: Re: Mini Whip and local noise |
| From: | John Andrews <[email protected]> |
| Date: | Fri, 20 Jan 2006 00:56:19 +0000 |
| Delivery-date: | Fri, 20 Jan 2006 00:56:04 +0000 |
| Envelope-to: | [email protected] |
| In-reply-to: | <002b01c61d54$c510aaa0$20347ad5@w4o8m9> |
| References: | <[email protected]> <016101c61d02$12ceca40$2101a8c0@pcroelof> <002b01c61d54$c510aaa0$20347ad5@w4o8m9> |
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Jim's comments make sense, and I hope to do some experiments as time
permits.
I have been treating LF receive loops as balanced antennas, with no intended ground reference. This has been easy in my case, as I series tune the loop into a coupling transformer. Parallel tuning would also be possible. This arrangement has been much quieter than earlier attempts with unbalanced loops. Jay has carried this a bit further by using a twisted pair feeder back to the shack. My experiments with that at our summer place were inconclusive, but it might be a help in a noisy situation. I'm thinking of giving it a try here, as my local noises are higher than ever this winter, and Jay consistently has better copy on the TA signals. John Andrews |
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