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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: Aerial current |
| From: | Richard Newstead <[email protected]> |
| Date: | Fri, 15 May 2009 17:43:24 +0100 |
| In-reply-to: | <[email protected]> |
| References: | <[email protected]> <[email protected]> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
| User-agent: | Thunderbird 2.0.0.21 (Windows/20090302) |
Rik Strobbe wrote: Hello Richard, is you antenna matched to 50 Ohm ? Not sure but the optimum power transfer suggests that it is matched to the output impedance of the transmitter. If you just bring it to resonance (loading coild adjustment) the antenna impedance can be anything between 10 and 100 Ohm. And some 10m's length of coax can cause some odd impedance transformations, even on 500kHz. There is no coax involved (well only 30cm) here so it is not that! Strange! |
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