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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: Protecting E probe antennas in near field of LF TX antennas |
| From: | Johan Bodin <[email protected]> |
| Date: | Wed, 28 Feb 2007 13:32:20 +0100 |
| Delivered-to: | [email protected] |
| In-reply-to: | <000001c75b2e$d0b84930$7900a8c0@athlon1200> |
| References: | <[email protected]> <009c01c755e8$85abf040$ea196a58@wgt01> <01b201c755f2$3e9afde0$7900a8c0@athlon1200> <000001c75b2e$d0b84930$7900a8c0@athlon1200> |
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Yes, I am using a small relay in my E-probe antenna. It connects the whip to ground when power is removed. I did not notice any change in sensitivity after adding the relay (although I did not measure it). The relay adds only a pF or so which is quite small compared to the whip//FET capacitance in my antenna. Dave Brown wrote: > Has anyone done anything along the lines of the subject line using a > mechanical switch/relay arrangement? |
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