Research

Instruments, not answers

The tools here calculate and organise evidence. They do not decide what a monument meant. Results report their inputs so anyone can check or repeat them.

Solar ExplorerCalculate solstice sunrise and sunset directions for any location and epoch, with every input, assumption and limitation shown.
Folklore recordsRecorded traditions and placename interpretations, each kept apart from its modern interpretation and assessed for reliability.

In preparation

Terrain horizon profiles from a documented elevation model, aerial observation registers, and alignment testing that reports the number of tests made and the result expected by chance. These are being built on the same records and will publish their methods in the same way.