Next message: Alexandre Eremenko: "Re: Averaging sights on commercial vessels"
Navy ships started using Sat Nav in 1962 or 1964 depending on the source
you use. It was released for commercial and public use in 1967 however
it was the early to mid 70's before its use outside of the military
became widespread due to the cost of the receivers.
-----Original Message-----
From: Navigation Mailing List
[mailto:] On Behalf Of Alexandre
Eremenko
Sent: Thursday, October 07, 2004 18:18
To:
Subject: Re: Averaging sights on commercial vessels
Trevor,
Thank you very much for your explanation.
I forgot about Sat Nav indeed.
Do you know when approximately did they start using it?
(I suppose, not earlier than late 70-s).
The manuals I cited were written in the 60-s when
no Sat Nav existed.
I am just trying to understand when CelNav was replaced
by various satellite-based systems as a main tool of finding
position on commercial and navy ships.
Alex.
P.S. LORAN only works near a shore, correct?
The only precise means available in the middle of an ocean
are CelNav and satellite-based systems, correct?
A
