[Boatanchors] LORAN - A

[J. Forster]

There was never a conflict between LORAN-A and GPS. LORAN-A was silent by
the time GPS became operational.

You mean LORAN-C.

Certainly knowing how to do celestial navigation is wise for a sailor. GPS
receivers can get wet, have dead batteries, fail, etc.

I have personally watched from the bridge of a ship as we navigated
through Gibralter at dusk by RADAR.

None of which mitigates the fact that the LORAN-C shutdown was very, very
stupid.

YMMV,

-John

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


> Regarding the recent comments on LORAN-A vs GPS conflicts (at sea), as a
> recently retired
> merchant navy person mostly as REO (but also licensed as a mate), the way
> we solved any
> doubts and maintained training on my last ship (captained by a Greek with
> US citizenship)
> was that we used celestial to check on GPS (or maybe it was the other way
> around as he put
> more trust in the stars). GPS was used for hourly fixes in the log, ETA's,
> etc. Stars were used
> for morninig and evening stars and the sun for noon latitude. This keps us
> all sharp on both
> methods. When (if) there were conflicts in the position, other methods
> (like DR, RDF, etc)
> were used to resolved things in the chartroom without violence.
> 73 & BV
> Walt (N4GL)
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