LEVELING OF Saint Helena

Benchmark positionning related to the tide gauge station

Benchmarks description table

SOURCE : Rénovation de la station DORIS

Levelling campain :

Benchmark Latitude (°) Longitude (°) Height (m) Distance to Tide Gauge (m) Details
POL ---- ---- 7.927 ---- Informations détaillées du repère
HELA -15.94222279 -5.66942276 446.133 230 Informations détaillées du repère
HELB -15.94235619 -5.66736742 444.256 20 Informations détaillées du repère
HEMB -15.94235628 -5.66736757 444.247 20 Informations détaillées du repère
DORIS/mark -15.94235622 -5.66736752 441.851 20 Informations détaillées du repère
GIG9 -15.94216692 -5.66766356 442.315 50 Informations détaillées du repère
Prbpm -15.94228326 -5.66753466 442.252 40 Informations détaillées du repère
shmg -15.92055175 -5.71786644 10.617 5930 Informations détaillées du repère
Benchmark 1 ---- ---- 442.412 ---- Informations détaillées du repère
Benchmark 2 ---- ---- 442.682 ---- Informations détaillées du repère
Legend : Fondamental benchmark, GNSS Benchmarks

Benchmarks vertical positionning diagram

Reference:

Leveling evolution

Stand point GIG9GIG9GIG9GIG9GIG9PrbpmPrbpmPrbpmPrbpmBenchmark 1Benchmark 1DORIS/markDORIS/markDORIS/markDORIS/markPOLHELAHELAHELAHELAHELAHELAHELBHELBHELBHELBHELBHEMBHEMBHEMBHEMB
End point PrbpmBenchmark 1DORIS/markBenchmark 2shmgBenchmark 1DORIS/markBenchmark 2shmgDORIS/markBenchmark 2Benchmark 2GIG9PrbpmshmgshmgHELBHEMBDORIS/markGIG9PrbpmshmgHEMBDORIS/markGIG9PrbpmshmgDORIS/markGIG9Prbpmshmg
Distance (m) 19 ---- 38 ---- 5883 ---- 20 ---- 5901 ---- ---- ---- 38205921 ---- 22122122118820257140038205921038205921
Height difference (m) Campaign 1 2003-03-21 -0.0630
± 0.01
0.2230
± 0.001
0.4650
± 0.001
0.4610
± 0.001
-431.6980
± 0.01
0.1600
± 0.001
0.4020
± 0.001
0.4000
± 0.001
-431.6350
± 0.01
0.2420
± 0.001
0.2700
± 0.001
-0.0280
± 0.001
0.4640
± 0.01
0.4010
± 0.01
-431.2340
± 0.01
2.6900
± 0.001
-1.8770
± 0.01
-1.8860
± 0.01
-4.2820
± 0.01
-3.8180
± 0.01
-3.8810
± 0.01
-435.5160
± 0.01
-0.0090
± 0.01
-2.4050
± 0.001
-1.9410
± 0.01
-2.0040
± 0.01
-433.6390
± 0.01
-2.3960
± 0.001
-1.9320
± 0.01
-1.9950
± 0.01
-433.6300
± 0.01
Height difference evolution graph

Download leveling data

TIDE GAUGE LOCAL LEVELING NETWORK DATA OF STATION Saint Helena ----------------------------------------------------------------------------------------------------- Benchmark Lat. Long. Height Year of determination St.dev Distance_to_TG 10chr (°) 14chr (°) 14chr (m) 10chr 22chr (m)10chr (m) 10chr ----------------------------------------------------------------------------------------------------- HELA -15.942223 -5.669423 446.133 2003 0.01100 230 HELB -15.942356 -5.667367 444.256 2003 0.01500 20 HEMB -15.942356 -5.667368 444.247 2003 0.01800 20 DORIS/mark-15.942356 -5.667368 441.851 2003 0.01800 20 GIG9 -15.942167 -5.667664 442.315 2003 0.02100 50 Prbpm -15.942283 -5.667535 442.252 2003 0.02300 40 shmg -15.920552 -5.717866 10.617 2003 0.00100 5930 Benchmark ---- ---- 442.412 2003 0.02300 ---- Benchmark ---- ---- 442.682 2003 0.02300 ---- POL ---- ---- 7.927 2003 0.00000 ----

Co-located instrumentsSTHL

Photo albumSTHL