Levelling detail for

Benchmark positionning related to the tide gauge station

2001-06-01	2001-06-01	2013-11-28	2013-11-28
2013-11-28

Benchmarks description table

SOURCE : FOM 3310

Levelling campain :

Benchmark	Latitude (°)	Longitude (°)	Height (m)	Distance to Tide Gauge (m)
A	48.64566667	-2.02788889	14.700	510
B	48.64716667	-2.02361111	14.398	730
C	----	----	14.681	----
G	----	----	13.722	----
H	----	----	16.532	----
Y bis	----	----	20.713	----
Z	----	----	16.024	----
SMTG_ARP	----	----	20.834	----
J	----	----	16.024	----
G bis	----	----	13.594	----
I	----	----	19.544	----
K	----	----	14.535	----
N.QR-45	----	----	14.795	----
D1	----	----	14.385	----

Legend : Fondamental benchmark

Benchmarks vertical positionning diagram

Reference:

Leveling evolution

Stand point			C	C	C	Z	X	X	Y bis	D	G	G	G	G	G	B
End point			W	H	F	Y bis	Y bis	W	SMTG_ARP	C	F	C	D	B	A	A
Distance (m)			----	----	----	----	----	----	----	----	----	----	----	----	----	357
Height difference (m)	Campaign 6	2025-10-10	---	---	---	---	---	---	---	---	---	---	---	---	---	---
	Campaign 5	2019-01-22	---	---	---	---	---	---	---	---	---	---	---	---	---	---
	Campaign 4	2013-11-28	---	---	---	---	---	---	---	---	---	---	---	---	---	---
	Campaign 3	2010-02-26	4.8761 ± 0.0005	1.8608 ± 0.0004	---	4.6923 ± 0.0001	1.1674 ± 0.0002	0.0020 ± 0.0001	0.1198 ± 0.0002	---	---	---	---	---	---	---
	Campaign 2	2004-03-18	---	1.8580 ± 0.001	0.5590 ± 0.001	---	---	---	---	0.2500 ± 0.001	---	---	---	---	---	---
	Campaign 1	2001-06-01	---	---	---	---	---	---	---	---	1.5210 ± 0.001	0.9610 ± 0.001	0.7110 ± 0.001	0.6760 ± 0.001	0.9770 ± 0.001	0.3010 ± 0.001
Height difference evolution graph

Download leveling data

TIDE GAUGE LOCAL LEVELING NETWORK DATA OF STATION SAINT-MALO ----------------------------------------------------------------------------------------------------- Benchmark Lat. Long. Height Year of determination St.dev Distance_to_TG 10chr (°) 14chr (°) 14chr (m) 10chr 22chr (m)10chr (m) 10chr ----------------------------------------------------------------------------------------------------- A 48.645667 -2.027889 14.700 2025 0.00000 510 B 48.647167 -2.023611 14.398 2025 0.00100 730 C ---- ---- 14.681 2025 0.00100 ---- D ---- ---- 14.430 2019 0.00100 ---- F ---- ---- 15.238 2019 0.00100 ---- G ---- ---- 13.722 2025 0.00100 ---- H ---- ---- 16.532 2025 0.00100 ---- W ---- ---- 19.557 2013 0.00000 ---- X ---- ---- 19.555 2013 0.00000 ---- Y ---- ---- ---- ---- ---- ---- Y bis ---- ---- 20.713 2025 0.00100 ---- Z ---- ---- 16.024 2025 0.00100 ---- SMTG_ARP ---- ---- 20.834 2025 0.00100 ---- J ---- ---- 16.024 2025 0.00100 ---- A_SS ---- ---- 16.019 2013 0.00000 ---- B_SS ---- ---- 13.003 2013 0.00000 ---- G bis ---- ---- 13.594 2025 0.00100 ---- I ---- ---- 19.544 2025 0.00100 ---- K ---- ---- 14.535 2025 0.00100 ---- N.QR-45 ---- ---- 14.795 2025 0.00100 ---- D1 ---- ---- 14.385 2025 0.00100 ----

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Co-located instruments

Tide Gauge : SAINT-MALO (SMALO)
GPS : Saint Malo (SMTG)
GPS : Dinard Pleurtuit (DIPL)
Tide Gauge : Saint Servan (SSERV)