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On 23 Jul 2000, at 0:35, Paul Hirose wrote:
> Answers to Silicon Sea Leg 67.
>
> 1. At evening fix, 1830 ZT = 2030 UT.
OK
>
> 2. GHA Moon at 1830 ZT = 7 59.9 . The question asked for "GHA Aries of the
> Moon," but I assumed GHA of the Moon was wanted.
Your right on the GHA. The request for GHA Aries was a "gimmic" question.
>
> 3. 1830 ZT fix = 3 00 N 31 00 W for practical purposes. We appear to
> be dead on course but distance made good is much more than expected.
OK
> 4. Compass course 308 to Barbados
.
OK
> 5. True course 290.
OK
> 6. After sailing 614 more mi, DR = 6 30 N 40 40 W.
OK
> 7. ZT upon reaching this position = May 17 0400.
??? Check the date and time and the time and date of the last FIX.
>
> All work done by hand with almanac, HO 229, plotting sheets. Time
> speed distance problems solved with E-6B slide rule.
Sailed this way for several years, But used several "Short Tables". I
liked H.O. 208 the best.
> My plotting sheets are on 8.5 x 11 inch typing paper, so the scale has to
> be small to plot the course to Barbados. 1 mm = 12 mi!. Still, I'll bet the
> plot is far more accurate than you could sail a small vessel.
Being non-metric trained, I use standard school notebooks (spiral
Binding). Six lines  to the degree or 12 lines for more accuracy.
> For the celestial fix I expanded the scale to 1 mm = 1 mi.
>
Dan Hogan
dhhogan@XXX.XXX

   

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