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Old 04-29-2001, 03:30 PM   #1
Richter
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Default Converting Loran Numbers

I recently acquired some loran numbers from a nice older gentleman. He was a fishing machine and was nice enough to pass them on to me. Here is the question for you navigation experts. The loran numbers are TD #'s (Time Differences) not Lat. & Longitude.
Is there any easy way to convert the TD #'s to Latitude & Longitude so I can enter them into my GPS?

Thnaks, Rich
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Old 04-29-2001, 03:53 PM   #2
Jennie@ifish
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Default Re: Converting Loran Numbers

SURE! Just post em all here on this board, and we'll help you out, right gang? [img]images/icons/wink.gif[/img]
Seriously, though... I don't know!
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Old 04-29-2001, 04:01 PM   #3
boater
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Default Re: Converting Loran Numbers

http://www.rdc.uscg.mil/rdcpages/software.html try this.
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Old 04-29-2001, 05:55 PM   #4
Richter
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Default Re: Converting Loran Numbers

Jen, You little Jokester.

Boater, Your the man. Thanks for the info.

Thanks, Rich
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Old 04-29-2001, 06:21 PM   #5
Pilar
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Default Re: Converting Loran Numbers

Richter, I think it goes like this. GPS is in degrees, minutes and thousanths of minutes. Where one degree is 60 minutes.

IE: West 124 degrees,12.050 minutes
or
West 124d 12.050'

Loran #'s are in degrees, minutes, seconds. One degree is 60 minutes, one minute is 60 seconds.

IE: West 124 degrees (d), 12 minutes ('), 3 seconds (")
or
West 124d 12' 3"

to convert just divide Loran seconds by 60 and add to the minutes


3/60 = .050

(Loran C) West 124d 12' 3" => (GPS) West 124d 12.050'

Lattitude and Longitude work the same way. Good luck.


OOPS! I didn't see time differences. The conversion I gave works for charts too. I'll load the software mentioned above and check it out. Thanks boater!

[ 04-29-2001: Message edited by: Pilar ]
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