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1. Re: LF: QRP RF Ammeter (score: 1): Author: [email protected] (Hans-Joachim Brandt); Date: 05 Jun 2006 12:39 GMT; Dear Weazle, the general rule for current transformers is that for frequency independant operation the inductive reactance of the secondary coil should be at least five times the parallel resistor. T; /rsgb_lf_group-archives/html/rsgb_lf_group/2006-06/msg00129.html (11,046 bytes)
2. LF: QRP RF Ammeter (score: 1): Author: "J. B. Weazle McCreath" <[email protected]>; Date: Mon, 5 Jun 2006 00:28:43 +0100; Hi Guys, I'm in need of the details on how to build an RF ammeter for the Lowfer freqs. Surfing the web has yielded plenty of info for the 137 band units, but they're meant for much higher power. I e; /rsgb_lf_group-archives/html/rsgb_lf_group/2006-06/msg00130.html (8,785 bytes)

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