TrigpointingUK

In the latest version of the Database I've downloaded these 4 Trig Points are missing Lat/long coordinates

For the last two, Gulland Rock and Mew Stone, the link to the Streetmap site works, so the the coordinates can be read from there, but for the other two, Giffoine and Essex Hill, the link doesn't work, as it appears the GridRef isn't considered valid (not within the bounds of the UK?)

The site itself seems to know where they are, or at least their relative positions from TP25773 and TP25774, but upon investigation, it seems the lat/long in the database for those two is far west of Alderney, in the middle of the Atlantic!

Can anyone in Alderney confirm GPS positions of these points?

thecowboycoder wrote:In the latest version of the Database I've downloaded these 4 Trig Points are missing Lat/long coordinates

For the last two, Gulland Rock and Mew Stone, the link to the Streetmap site works, so the the coordinates can be read from there, but for the other two, Giffoine and Essex Hill, the link doesn't work, as it appears the GridRef isn't considered valid (not within the bounds of the UK?)

The site itself seems to know where they are, or at least their relative positions from TP25773 and TP25774, but upon investigation, it seems the lat/long in the database for those two is far west of Alderney, in the middle of the Atlantic!

Can anyone in Alderney confirm GPS positions of these points?

My notes are:

Giffoine: Channel Islands Hotine at 49.70898N 2.22986W
Essex Hill: Channel Islands Hotine at 49.716552N 2.178772W

Although the OS BNG can notionally be extended beyond the N and S blocks, in pratice co-ord transformers are not generally set up to deal with this, so it's easy to obtain GRs for stations in e.g. Antrim or Wexford, but not for Donegal, Cork or, as in this case, the Channel Islands.

The other two are just user-added stations that hadn't been finalised properly, I've sorted them now.

Thanks for that!

Do you have updated coords for TP25773 and TP25774 also? As I said the values in the database are too far west (TP25774, Telegraph Bay, 48.48317,-13.43272 for instance)

Ah, not to worry, those two have been logged with correct lat/long noted.