Text 11478, 44 rader
Skriven 2013-12-06 20:21:16 av Roy Witt (1:387/22)
  Kommentar till text 11473 av Stewart Arnett (3:772/100)
Ärende: Wordfeud Challenge
==========================
 Brer Stewart Arnett wrote to Brer Roy Witt about Wordfeud Challenge:

 RW>>>> I had a sailboat in San Diego, I didn't need any of the above to
 RW>>>> sail it.
 RW>>>> where you started out, but then, when the coastline shows, you
 RW>>>> can make your way up or down the coast and find where you are by
 RW>>>> observing what's onshore.

 SA>>> That's why you should always build in an error into the course
 SA>>> you steer so when you reach the coast you know which way to turn,
 SA>>> I usually err to port and turn to starboard at the coast.

 RW>> If you were sailing out of site of the California coast, you might
 RW>> turn too early and turn starboard at Catalina Island, which would
 RW>> lead you to the Mexican islands, just south of the USA/Mex border.
 RW>> If you round the island on the east side, you might see the mainland
 RW>> to port, unless it's too foggy. Then there is the Mexican coast
 RW>> guard, who won't allow anyone to get close enough to the island to
 RW>> take pictures of the ancient buildings that they're using for 'who
 RW>> knows' what.

 SA> Yes what do they use them for?  But if I am looking for a point on
 SA> the California coast I would err on the port side by a known amount 5
 SA> degrees, so then when I get to the coast I know where I want to be
 SA> will be to Starboard. Then I will be sure I can find it and not head
 SA> the incorrect way along the coast. ;) But now of course we have so
 SA> many GPS devices on board we hardly ever get the sextant out for a
 SA> possition.

There was a time that you could use the old RDF direction system and know
where you are by the ID of the transmitting station. Very few boats have
this device anymore, opting to use GPS...



         R\%/itt - K5RXT

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