2015
SN5752 : OS Fundamental Benchmark - Silian, Lampeter FBM
taken 10 years ago, near to Betws Bledrws, Ceredigion/Sir Ceredigion, Wales
This is 1 of 2 images, with title OS Fundamental Benchmark - Silian, Lampeter FBM in this square
OS Fundamental Benchmark - Silian, Lampeter FBM
Ordnance Survey Fundamental Benchmark (FBM) used for levelling height above Ordnance Datum (OD).
Height (2012): 223.2416m OD (Newlyn). GPS Passive Station: H1SN5752 Link
The FBM was used on the Aberystwyth to Lampeter (G092) and Lampeter to Llandovery (G098) lines of the Third Geodetic Levelling of England & Wales in 1955. It was levelled with a height of 732.413' above OD (Newlyn). Abstract G 65: Link [OS 54/754]
Context: SN5752 : OS Fundamental Benchmark - Silian, Lampeter FBM
Height (2012): 223.2416m OD (Newlyn). GPS Passive Station: H1SN5752 Link
The FBM was used on the Aberystwyth to Lampeter (G092) and Lampeter to Llandovery (G098) lines of the Third Geodetic Levelling of England & Wales in 1955. It was levelled with a height of 732.413' above OD (Newlyn). Abstract G 65: Link
[OS 54/754]Context: SN5752 : OS Fundamental Benchmark - Silian, Lampeter FBM
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TIP: Click the map for more Large scale mapping
- Grid Square
- SN5752, 5 images (more nearby 🔍)
- Photographer
- N Scott (more nearby)
- Date Taken
- Wednesday, 11 February, 2015 (more nearby)
- Submitted
- Thursday, 19 February, 2015
- Subject Location
-
OSGB36:
SN 57981 52628 [1m precision]
WGS84: 52:9.2169N 4:4.6382W - Camera Location
-
OSGB36: SN 5798 5262
- View Direction
- NORTH (about 0 degrees)
