The cache is not at the listed Co-ordinates it's actually at N fifty two fifteen point five five five W zero zero zero forty five point six three eight (give yourself a pat on the back for cracking this one!!)
To solve the puzzle you will have to play around with the information on this page and maybe do some research in order to get the true co-ords, below is a list of items for use In Case of Emergency (ICE) with a bit of interogation the solution should become clear:
1. First Aid Kit
2. Mobile Phone
3. Blues and Two's
4. Break Glass Call Point
5. Haz Chem Card
6. Throw line
7. Flare
8. Defibrillator
9. Message in a Bottle
India Charlie Echo
Ng TM....Gurer vf ab arrq gb gbhpu be bcra nalguvat eryngrq gb ryrpgevpvgl.