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    Re: Leg 58 results
    From: Dan Hogan
    Date: 1999 Sep 29, 20:09 EDT

    Sorry for the slow response:
    >Silicon Sea Leg 58 answers:
    >1.  2.9 kt and 031 deg made good during the night.  Seems a rather
    >small distance made good (47 mi).  Hope I didn't make a mistake.
    OK, Ok on the distance,
    >2.  Mar 29 1800 ZT DR = 4940 S 6450 W.
    >3.  The fathometer should be able to keep us inside the 200-fathom
    >4.  033 deg true and 1920 mi to Rio de Janerio.
    Within the tolerance--I forgot what method you're using.
    >5.  Compass course, allowing for variation, deviation, and current (1
    >deg right correction) = 025 deg.
    Within tolerance but diff. is increasing.
    >6.  ETA = Apr 6 0400 Z.
    >7.  Rio is 3 hours behind Greenwich time, thus local ETA = Apr 6 0100.
    Asks for ZD. But Rio Noon IS 1500 Greenwich.
    >Problems worked with plotting sheets and E-6B analog computer.  It's
    >unreasonable to use a plotting sheet for the run to Rio, but I want to
    >see how close it comes.  Used a mid-latitude of 36 S for that sheet.
    Dan Hogan WA6PBY
    C27 "Gacha"
    Navigation-L: http://nav.cnchost.com

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