Levelling detail for

Benchmark positionning related to the tide gauge station

1999-09-28

Benchmarks description table

SOURCE : Installation de la station DORIS

Levelling campain :

Benchmark	Latitude (°)	Longitude (°)	Height (m)	Distance to Tide Gauge (m)
90F9000	----	----	10.000	----
STJO	47.59523883	-52.67774789	150.583	4990
9803005	47.56724163	-52.70217116	9.768	1380
DORIS	47.59532408	-52.67806697	150.189	4990
STJB	47.59532408	-52.67806697	150.709	4990
90F9002	----	----	9.956	----

Legend : Fondamental benchmark, GNSS Benchmarks

Benchmarks vertical positionning diagram

Reference:

Leveling evolution

Stand point			STJO	STJO	STJO	90F9000	90F9000	90F9002	9803005	9803005	DORIS
End point			DORIS	9803005	STJB	90F9002	9803005	9803005	DORIS	STJB	STJB
Distance (m)			26	3615	26	----	----	----	3611	3611	0
Height difference (m)	Campaign 1	1999-09-28	-0.3940 ± 0.01	-140.8150 ± 0.01	0.1250 ± 0.01	-0.0440 ± 0.001	-0.2320 ± 0.001	-0.1880 ± 0.001	140.4210 ± 0.01	140.9400 ± 0.01	0.5200 ± 0.001
Height difference evolution graph

Download leveling data

TIDE GAUGE LOCAL LEVELING NETWORK DATA OF STATION ST. JOHN'S ----------------------------------------------------------------------------------------------------- Benchmark Lat. Long. Height Year of determination St.dev Distance_to_TG 10chr (°) 14chr (°) 14chr (m) 10chr 22chr (m)10chr (m) 10chr ----------------------------------------------------------------------------------------------------- STJO 47.595239 -52.677748 150.583 1999 0.01100 0 9803005 47.567242 -52.702171 9.768 1999 0.00200 3610 DORIS 47.595324 -52.678067 150.189 1999 0.01500 30 STJB 47.595324 -52.678067 150.709 1999 0.01500 30 90F9000 ---- ---- 10.000 1999 0.00000 ---- 90F9002 ---- ---- 9.956 1999 0.00100 ----

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Co-located instruments

GPS : ST. JOHN'S (STJO)
Doris : SAINT JOHN'S (STJB)
Tide Gauge : SAINT JOHN'S (SJOHN)
GPS : STJ3 (STJ3)