TrigpointingUK

TP11083 - Eastington (rivet) has appeared as a Trig symbol on Memory-map 1:25k

Thanks; I'll add it to the wiki page.

I see quite a few in Ireland that are not on the map

A large number of Irish trigs were added around the time when T:UK was upgraded.
Example: https://trigpointing.uk/trigs/26500 Greenane.

There might possibly be outstanding issues with mapping. Can you provide
a sample name or two of the trigs ...

The Heritage Open Days event for 2026 will take place
on 11 to 26 September. Its an opportunity to visit sites not
normally open to the public (and its free!). Details
are available at http://www.heritageopendays.org.uk

Its worth searching the site index to see if any elusive trigs
in your area ...

If you scroll back through the logs for https://trigpointing.uk/trigs/893
then it appears that the pillar was originally built to the standard design but was
badly vandalized in 2003. It was repaired and reinforced (I think by the OS) resulting
in the new shape.

> On Harris, at least two (and probably more) Hydrographic Survey Stations are marked on OS maps with triangles but are actually bolts

Thanks! I'll add those to the wiki page.

Ted

Thanks for the feedback; wiki page updates pending (trying to clear
a backlog of other updates first).

Further examples of ghost trigs welcome!

For the most part, image upload works fine for me. I tend to resize
images beforehand to make the files smaller but no reason to think
that this makes a significant difference. Might be worth a try though.

I had a problem recently where I was unexpectedly logged out; not
sure why. So if you ...

Thanks! I'll add those to the wiki table. If you could provide the map details
(Landranger, Explorer, Outdoor Leisure) map number and, ideally the map's publication
date/revision letter then that would be helpful.

I've added a wiki page for 'ghost' trigs: https://wiki.trigpointing.uk/Ghost_trigs
- these are instances of the familiar triangulation symbol on Ordnance Survey 'Explorer'
or 'Outdoor Leisure' series maps which are not trig pillars.

Additions/corrections would be welcome - the initial version of ...

Looks like Staffa (10482 / TP6142) - thats Dutchmans Cap island in the background.

Thanks!