Levelling detail for

Benchmarks description table

SOURCE : FOM 3268

Levelling campain :

Benchmark	Latitude (°)	Longitude (°)	Height (m)	Distance to Tide Gauge (m)
AD 146 Bis	----	----	6.853	----
F	----	----	2.243	----
G	----	----	---	----
H	----	----	6.063	----
I	----	----	2.367	----
J	----	----	3.369	----
K	----	----	2.327	----
L	----	----	2.459	----
N	----	----	2.584	----
O	----	----	4.912	----
P	----	----	4.636	----
R	----	----	1.788	----
U	----	----	4.827	----
V	----	----	4.553	----
B	----	----	---	----
C	----	----	---	----
D	----	----	---	----
T	----	----	5.105	----

Legend : Fondamental benchmark

Benchmarks vertical positionning diagram

Reference:

Leveling evolution

Stand point			G	F
End point			THIO	THIO
Distance (m)			----	----
Height difference (m)	Campaign 2	2025-01-23	---	---
Height difference (m)	Campaign 1	2014-05-01	43.2710 ± 0.002	42.9590 ± 0.002
Height difference evolution graph

Download leveling data

TIDE GAUGE LOCAL LEVELING NETWORK DATA OF STATION THIO ----------------------------------------------------------------------------------------------------- Benchmark Lat. Long. Height Year of determination St.dev Distance_to_TG 10chr (°) 14chr (°) 14chr (m) 10chr 22chr (m)10chr (m) 10chr ----------------------------------------------------------------------------------------------------- F ---- ---- 2.243 2025 0.00200 ---- G ---- ---- 1.928 2014 0.00300 ---- THIO ---- ---- 45.199 2014 0.00200 ---- H ---- ---- 6.063 2025 0.00100 ---- AD 146 Bis ---- ---- 6.853 2025 0.00000 ---- I ---- ---- 2.367 2025 0.00200 ---- J ---- ---- 3.369 2025 0.00200 ---- K ---- ---- 2.327 2025 0.00300 ---- L ---- ---- 2.459 2025 0.00300 ---- N ---- ---- 2.584 2025 0.00300 ---- O ---- ---- 4.912 2025 0.00300 ---- P ---- ---- 4.636 2025 0.00200 ---- R ---- ---- 1.788 2025 0.00300 ---- U ---- ---- 4.827 2025 0.00300 ---- V ---- ---- 4.553 2025 0.00300 ---- B ---- ---- ---- ---- ---- ---- C ---- ---- ---- ---- ---- ---- D ---- ---- ---- ---- ---- ---- T ---- ---- 5.105 2025 0.00300 ----

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Co-located instruments

Tide Gauge : THIO (THITG)
GPS : Thio (THIO)

LEVELING OF THIO

Benchmarks description table

Benchmarks vertical positionning diagram

Leveling evolution

Download leveling data

Co-located instruments