PhotograPhy happens to be my current favourite hobby. Recently I developed interest in geocoding my photographs. By geocoding photographs you can associate a geographical location with the photograph. This involves putting the latitude, longitude and altitude in the photographs EXIF tags. Exchangeable image file format (Exif) is a specification for the image file format used by digital cameras. This is trivial if you use a GPS receiver. Last year, I had succeeded in making necessary interface to my Nikon D200 camera with a GPS receiver.