November 2011
Garmin GHC 10 Autopilot control unit
Garmin’s GHC 10 autopilot control unit, paired with the GHP 10 or GHP12, gives simple to use but powerful control of you autopilot system. Easily set a heading or activate one of Garmin’s many steering patterns; this unit also works in conjunction with Garmin’s propriety ShadowDrive technology.
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Pros:
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Easy to use
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Similar styling to the GMI 10
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N2K and NMEA 0183 connectivity
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Route guidance from chartplotter via N2K or NMEA 0183
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Comprehensive autopilot tuning wizard
Cons:
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I was leaving to go somewhere,
states Geoff, and I had a one-day window in which the work on my boat could be done. Jeff at PYS dropped everything, came out, and did the job that same day.
-Geoff
Q: 
I want to replace the alternator in an ocean-cruising Beneteau 40. The engine is a four-cylinder Volvo, Model D2-55. The alternator has to handle a 700 amp-hour battery bank, using a NextStep regulator. What size and model of alternator(s) should I consider? My Volvo has a V-belt, the current alternator is a 120-amp Bosch (installed in Australia a few years ago), and the batteries are AGM. To clarify a bit, I am asking this question for a brother-in-law and sister-in-law who are on their 40-foot sailboat in the South Pacific. Their current alternator is working OK, but they want to obtain a properly-sized spare. 
-Jim
