Anyone have hints or knowledge on how best to detect these. I have tried to detect one but it is very difficult to detect between tracks. Maybe i should of stayed on platform but that seems to be ashphelted at some time. There must be better parts near it or perhaps a better way to do them. I Know of a few old train stations in my area & lot of them have not been used for years, most are covered in blackberry bushes & i dare to say proble have lots of snakes near them.