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Date: Mon, 10 Apr 2006 08:14:54 +0100
From: Stewart Bryant <stewart@g3ysx.org.uk>
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Subject: Re: LF: Rugby LORAN measurement?
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Peter Martinez wrote:

>> From G3PLX:
>
>
> I don't think the presence of the spurious emission (near 60kHz) from 
> the LORAN transmitter would cause any trouble to MSF itself. A quick 
> calculation says that the nearest spurii from the Rugby LORAN 
> transmitter to the MSF transmission would be respectively 8.9139804 Hz 
> low and 5.94265 Hz high of 60kHz, and probably a long long way down on 
> the main 60kHz carrier.

The accuracy of MSF is 2 parts in 10E12, so systematic interference even 
a long long way down
may well  have an effect. It will depend on the design of the receiver 
and whether it has a front
end filter that has high rejection at +6Hz, -8Hz, but prior to the LORAN 
transmitter.

- Stewart G3YSX


>