Number 99 of the Only Connect series of puzzle caches. It's a mystery so the published coordinates aren't those of the cache. Solve the puzzle to find them and they lead to a magnetic BYOP final. In keeping with the tradition, the cache can be found at an appropriate final location.
The rest of the series can be found by clicking on this link to the Only Connect bookmark list.
This is a "say what you see" OC. G is what links A - F. Each of A-G is a two word answer.
Once you have the connection, please use the word value for each of A-G :
The cache can be found at : N55 04.Y W001 32.Z
Where Y = (C + E + F) * (D - B) - A and Z = (G / (E - C)) * (A - D)
