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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: Re: WRC-2012 proposal for 'near' 500kHz band(s) |
| From: | David Pratt <[email protected]> |
| Date: | Wed, 2 Mar 2011 17:04:05 +0000 |
| In-reply-to: | <80823E80F3B94DCEB2B95EA9A57C72C4@JimPC> |
| References: | <[email protected]> <80823E80F3B94DCEB2B95EA9A57C72C4@JimPC> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
| User-agent: | Turnpike/6.07-M (<Paa2jShnPcOGTVxWbZGfF9vhHJ>) |
Many thanks for your comments, Jim, and for the detailed background explanation. I just felt we should be aware of possible potential problems. There could be many AM radios (or wirelesses!) still around using old technology. 73 de David G4DMP In a recent message, James Moritz <[email protected]> writes >Having poked around inside quite a few radios over the years, I think >465/470kHz IFs were common in the days of discrete transistors and >tuned IF transformers, but are mostly ancient history now. -- + - - - - - - - - - - - - - - - - + | David M Pratt, Kippax, Leeds. | | Website: http://www.g4dmp.co.uk | + - - - - - - - - - - - - - - - - + |
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