To: | [email protected] |
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Subject: | Re: LF: Re: DK7FC's 7th VLF kite experiment |
From: | pws <[email protected]> |
Date: | Sun, 10 Oct 2010 16:13:05 +0200 |
In-reply-to: | <[email protected]> |
References: | <[email protected]> <6F6098420211436FABB78BE04E5F8FAD@JimPC> <000901cb6215$2db60550$0401a8c0@xphd97xgq27nyf> <[email protected]> <B4EA2F5BDC754BC0AD7DFE6ABD01E8A2@Black> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <2024E84F348A4A039481951F65394FA7@JimPC> <[email protected]> |
Reply-to: | [email protected] |
Sender: | [email protected] |
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Hi Stefan, You wrote: > ... > There is sometimes a trace arround 10,6 kHz which looks as a MSK signal > that cannot be there. I have observed the same line on my grabber. Do > you have an idea what can cause this trace on this QRG? > ... Signal from 2nd Nyquist domain folded back. 24 + (24 - 10.6) = 37.4 kHz ==> NRK / Iceland at 37.5 kHz is very strong here in Europe. 73 from Kiel, Peter |
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