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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: Frequency calibration |
| From: | "James Moritz" <[email protected]> |
| Date: | Thu, 03 Jan 2002 12:56:11 +0000 |
| In-reply-to: | <02010220105700.01270@base> |
| Reply-to: | [email protected] |
| Sender: | <[email protected]> |
At 20:10 02/01/2002 +0100, you wrote: I'm trasmitting qrss 90 sec in low power on 135.921. Is someone in Europe is receiving, please tell me about accuracy of frequency calibration and stability. '73 , Valerio Dear Valerio,Between about 2000 and 2300, your QRG cycled up and down between about 135.921 +0.09Hz and +0.13Hz - I reckon my measurement error will be within 0.01Hz. The drift seemed to be synchronised with the symbols being transmitted, so perhaps a thermal effect? Cheers, Jim Moritz 73 de M0BMU |
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