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Subject: Re: Navigation-L Survey
From: Rodney Myrvaagnes (rodneym@XXX.XXX)
Date: Mon Jun 11 2001 - 09:08:25 EDT
On Fri, 8 Jun 2001 21:59:02 -0700, Dan Hogan wrote:
>OK. One more time. PLEASE respond to the survey. Even if you are just getting
>started.
>
>Post replies to the list primarily. I will summarize and post the results.
>
>Be aware that most of the better celestial navigation books were written
>before 1980. So still list yours.
>
>Navigation-l subscribers listed 182. The response to the survey has been 10!.
>
>Results will be posted June 13.
>
>******************************************
>Navigation-L Survey
>
>a) Dead Reckoning
>
> What is the method used most?
>
> Mid-Latitude-----:
> Mercator Sailing-:
> Rhumb Line-------:X
> Other(Name?)-----:
>
>
>b) Sight Reduction
>
> Which is your primary Sight reduction method?
>
> Computer Program(Name?)--------:Spreadsheet with almanac algorithm, programmed one sight to a row, so running fixes are almost automatic. My wife did this originally in Lotus 123 in 1988. Works with any spreadsheet.
> Calculator(Name?)--------------:originally used TI 59 with navigation cartridge, back in 1970s. The book that came with the nav cartridge explained clearly what every routine did.
> Short Navigation Tables,
> H.O. 211 etc.(Name?)-------:
> Standard Navigation Tables,
> 229, 214 etc.(Name?)-------:
> Other(Name?)-------------------:
>
>c) Plotting
>
> How do you do your plotting?
>
> Computer Program(Name?)---:
> Universal Plotting Sheets-:
> Manoeuvring Board---------:XX
> Radar Plotting Sheets-----:
> Home Made(Describe)-------:
>
>d) Navigation Manuals
>
> Name your main reference manual:
>
> Bowditch 1995 Ed.------------------:
> Bowditch (pre-1995)----------------:
> Mixter (Primer of Navigation)------:
> Chapman's--------------------------:
> Celestial Navigation for Yachtsman-:
> Shute----------------------------------:
> Shirk----------------------------------:
> Porter---------------------------------:
> Hemenway-------------------------------:
>
Dutton
> Name a manual/book that helped you the most:
>
> W.F. Buckley @ Airborne/Video----------:
> Le Cours des Glenans-------------------:
> Bowditch-1995--------------------------:
> Practical Celestial Navigation(HO 229)-:
> Self-Contained Celestial Navigation----:
> Mariner's Celestial Navigation---------:
> Navigation Afloat----------------------:
> Cruising Under Sail (E. Hiscock)-------:
> Shute----------------------------------:
> Shirk----------------------------------:
> Porter---------------------------------:
> Hemenway-------------------------------:
> Mixter---------------------------------:
>
>
>
>e) Do you use the Nautical Almanac?
>
> Commercial-----------:
> USNO-----------------:X
> Self-design Software-:X
> Computer-------------:any laptop PC
> USNO Web Site--------:
>
>
>
>Dan Hogan
>dhhogan@XXX.XXX
Rodney Myrvaagnes J36 Gjoa rodneym@XXX.XXX
Senior Editor Electronic Products
"Fireman saves pregnant squirrel" -- Arizona Republic, Dec. 14, 2000
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