HI! 有冇人識在GARMIN GPS ( etrex - summit ) 入 HK80 Grid 呀!

Hong Kong Hiking Web: 討論組 Forum: 行山資料分類 Hiking Subtopics: 裝備 Equipment: 人造衛星定航儀 GPS: 討論 Discussion: HI! 有冇人識在GARMIN GPS ( etrex - summit ) 入 HK80 Grid 呀!
   By leung ching kit (Chingkit) on Sunday, June 04, 2006 - 11:43 pm:  Edit

HI! 有冇人識在GARMIN GPS ( etrex - summit ) 入 HK80 Grid 呀!

   By Tommy (Tom) on Tuesday, June 06, 2006 - 2:17 pm:  Edit

Setup>Unit>Position Format>User
Central meridian E114.1785554
Scale factor +1.000000
False Easting +836694.1M
False Northing -1649325.9M

Setup>Unit>Map Datum>User
DX:-156
DY:-270
DZ:-189
DA:-251
DF:-0.0000142

http://www.go2nature.net/forum/viewtopic.php?p=346147&highlight=HK1980+grid#346147


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