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LF: Re: Loran Anthorn

To: <[email protected]>
Subject: LF: Re: Loran Anthorn
From: "Markus Vester" <[email protected]>
Date: Sat, 1 Dec 2007 12:03:24 +0100
In-reply-to: <00c101c832cc$1e7747f0$e1136a58@wgt01>
References: <00c101c832cc$1e7747f0$e1136a58@wgt01>
Reply-to: [email protected]
Sender: [email protected]
Hi Gary, LF,
 
according to my 100 kHz monitor, Anthorn Loran came on the Lessay chain rate (GRI 6731) yesterday 10:25 UT. After some adjustments of the transmission delay, they reached their "final parking position" in the old Rugby slot (27.3 ms after Lessay) at about 11:40. The sideband lines should now be on the usual frequencies, i.e. exact multiples of 100 kHz / 6731 / 2.
 
The time-domain graph was recorded 2007-11-30, 10:00 (bottom) to 13:00 (top), using 22050 samples/s (left to right) and phase encoded as colour. 
 
Best wishes to all
 
Markus, DF6NM
 
 
 
 
 
----- Original Message -----
From: "Gary - G4WGT" <[email protected]>
To: "LF (Rsgb LF Group)" <[email protected]>
Sent: Thursday, November 29, 2007 10:09 PM
Subject: LF: Loran Anthorn

> Hi All,
>
> Can anyone tell me how to calculate the extra lines produced by Loran
> Anthorn on 137 KHz. I now have twice as many lines as before which are not
> shown on my spreadsheet list of line frequencies previously seen.
>
> My location is considerably closer to Anthorn than Rugby although I would
> have thought that if the pulse generation is the same I will still see the
> same lines but stronger.
>
> Any comments please.
>
> 73
>
> Gary - G4WGT - IO83qp
>
>
>

Attachment: Anthorn_firstsignal_071130_1000-1300.png
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