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| To: | <[email protected]> |
|---|---|
| Subject: | LF: Re: Re: Re: 8.97 |
| From: | "James Moritz" <[email protected]> |
| Date: | Wed, 4 Aug 2010 23:35:37 +0100 |
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| Sender: | [email protected] |
Dear Mal, LF Group,So if for a moment we assume the RX frequency is set to 8.970kHz and is accurate, and the BFO offset and sound card are also accurate, that leaves two possibilities - if it is being received as upper sideband, the signal frequency is 8970 -1000 + 894 = 8.864kHz, or if LSB then 8970 + 1000 - 894 = 9076Hz. So somewhere roughly around 9kHz... several people have experienced spurious signals at 9kHz due to intermods between MW broadcast stations - especially likely if, dare I say it, you are using a big antenna. Cheers, Jim Moritz 73 de M0BMU----- Original Message ----- From: "mal hamilton" <[email protected]> To: <[email protected]> Sent: Wednesday, August 04, 2010 10:22 PM Subject: LF: Re: Re: 8.97 JimThe rx bfo is set to 1 kc and rf freq is approx 8.97 kcs. The system is not accurately calibrated. |
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