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| To: | <[email protected]> |
|---|---|
| Subject: | Re: LF: LF SWR Bridge |
| From: | "James Moritz" <[email protected]> |
| Date: | Sun, 15 May 2011 19:08:14 +0100 |
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| In-reply-to: | <[email protected]> |
| References: | <[email protected]> <EE1078C1AE1542A39B4A6054378AA79F@lindavideo> <[email protected]> <D6B1B6FB2BE84EE5A37FB6B8A3522D5A@lindavideo> <[email protected]> <[email protected]> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
Dear Stefan, LF Group,The LF_tuning_aids.pdf file at https://sites.google.com/site/uk500khz/members-files/files I mentioned earlier contains some updated info on the LF tuning meter (extended to 500kHz), along with the simple "scopematch", which displays voltage and current waveforms on a dual-trace oscilloscope, which is a very convenient aid to tuning if you have a scope in the shack. Also included is a simple resistive SWR bridge. Although everybody is used to using SWR bridges, all they really tell you is if the antenna has a big or small mis-match - The tuning meter and scopematch give you reasonably accurate info about the actual impedance, so certainly make the job easier in my experience. Cheers, Jim Moritz 73 de M0BMU |
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