LEVELING OF TRISTAN DA CUNHA

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Benchmark positionning related to the tide gauge station

2002-01-23

Benchmarks description table

SOURCE : Rénovation de la station DORIS

Levelling campain :

Benchmark	Latitude (°)	Longitude (°)	Height (m)	Distance to Tide Gauge (m)
TRIA	-37.06527795	-12.31252561	---	110
TRIB	-37.06528065	-12.31248931	---	120
TRIB/mark	-37.06528065	-12.31248931	---	120
TRIM	-37.06422775	-12.31283701	---	10

Legend : Fondamental benchmark, GNSS Benchmarks

Leveling evolution

Stand point			TRIA	TRIA	TRIA	TRIB	TRIB	TRIB/mark
End point			TRIB	TRIB/mark	TRIM	TRIB/mark	TRIM	TRIM
Distance (m)			3	3	120	0	121	121
Height difference (m)	Campaign 1	2002-01-23	-2.0680 ± 0.01	-2.5580 ± 0.01	-24.0180 ± 0.01	-0.4900 ± 0.001	-21.9500 ± 0.01	-21.4600 ± 0.01
Height difference evolution graph

Download leveling data

TIDE GAUGE LOCAL LEVELING NETWORK DATA OF STATION EDINBURGH ----------------------------------------------------------------------------------------------------- Benchmark Lat. Long. Height Year of determination St.dev Distance_to_TG 10chr (°) 14chr (°) 14chr (m) 10chr 22chr (m)10chr (m) 10chr ----------------------------------------------------------------------------------------------------- TRIA -37.065278 -12.312526 ---- ---- ---- 110 TRIB -37.065281 -12.312489 ---- ---- ---- 120 TRIB/mark -37.065281 -12.312489 ---- ---- ---- 120 TRIM -37.064228 -12.312837 ---- ---- ---- 10

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