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Thai Malay Geodetic Connection / TM167 |
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The text reads
GRAVITY SURVEY
42. On 2 May 68 a Worden Gravity Meter was received with instructions to complete Gravity measurements to all Trig points in Thailand (Annex 'J'). Initial planning showed a large saving in time and personnel if a helicopter could be used, and one was obtained for two days commencing noon on 15 May 68.
43. Gravity measurements were single loops, (BASE - STATION - BASE) to be completed within 3 hours of starting (Annex 'L').
a, TAN YONG. This station was completed in 2¼ hours travelling by Landrover, boat and on foot from the NARATHIWAT base.