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(octopus16) Expected site would be located at two masts near War Memorial. Site visit confirmed disused 2G panels are located on these masts. I am continuing field testing to determine location.

EDIT: The site at the memorial was still active for Orange 2G as recently as this year, but noticed it was off a few months ago (was probably one of the last still running the 234-33 code in the UK). It could be they've made it 4G with the same panels, but that wouldn't explain n78 (unless using more distant n78 and Cellmapper incorrectly reporting it).

(octopus16) Further field testing has determined that two 1800MHz carriers are broadcasting from the old 2G panels.