[Boatanchors] LORAN A Revisited

[J. Forster]

The shutdown of LORAN-C in favor of GPS only is one of the stupidest moves
ever. If GPS goes wonky, and it does, there is no backup at all.

YMMV,

-John

===============


> LORAN A used to be the nemisis of 160 meter operation here at one time.
> New
> Orleans was in a sector of the coast where NO operation was allowed on 160
> meters at all.
> The sound is quite familiar but a bit "softer" in sound than I remember.
> Gee it has been maybe 60 years sine I heard that sound!
>
> After the LORAN A went QRT and LORAN C became popular on 100 khz. it was
> used a lot by helicopters to fund oil drilling platforms in the Gulf of
> Mexico, until the serious advent of GPS, which torpedoed all the other
> navigation systems which paled in comparison.
>
> 73,
>
> Sandy W5TVW
>
> -----Original Message-----
> From: Drew P.
> Sent: Thursday, January 24, 2013 10:46 PM
> To: boatanchors at mailman.qth.net
> Subject: [Boatanchors] LORAN A Revisited
>
> Hi All,
>
> A while back there was a thread in this forum starting with GPS
> interference
> from LightSquared, progressing to LORAN A, and culminating in wistful
> recollections of the sound of LORAN A as heard in a radio receiver.  As we
> know, the LORAN A system in the US went dark over 30 years ago.  One forum
> participant expressed a wish that he had a recording of LORAN A so heard.
>
> I have found an audio clip of a simulation of the sound of LORAN-A. It has
> the "flanging" characteristic of a channel having 2 stations of differing
> pulse repetition rates.  Even though the timbre is a little off (probably
> from ringing in the IFT's of the various tube radios I used back in the
> day)
> from the way I remember it, it is still quite good. Here it is for your
> edification and enjoyment.
>
> http://alancordwell.co.uk/radio/soundclips/Loran_A_sim.mp3
>
> Drew
>
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