[time-nuts] Firmware and antenna for Stanford Research FS700 Loran C frequency standard

Poul-Henning Kamp phk at phk.freebsd.dk
Fri Jul 17 19:04:36 UTC 2015


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In message <CAD2JfAhdfe1ZQccukXFyEZnnPa35QwP1cQPbgKptfmhS9fCkPQ at mail.gmail.com>
, paul swed writes:

>So I have been interested in building a large loop for LORAN C.

You cannot use a tuned/resonance loop for LORAN-C the way you can for CW
stations like WWVB.

Loran-C needs +/- 15kHz flat bandwidth (85-115 kHz) otherwise you
loose the pulse-shape which allows you to find the right zero-crossing.

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