Here you can find the source of toLongitude(long fsuipcLongitude)
public static double toLongitude(long fsuipcLongitude)
//package com.java2s; //License from project: Apache License public class Main { /***//from w ww . j a va 2 s . c o m * To convert to Degrees: * If your compiler supports long long (64-bit) integers then use such a variable to simply copy this 64-bit value into a double floating point variable and multiply by 360.0/(65536.0 * 65536.0 * 65536.0 * 65536.0). * Either way, a negative result is West, positive East. */ public static double toLongitude(long fsuipcLongitude) { return (fsuipcLongitude * (360.0 / (65536.0 * 65536.0 * 65536.0 * 65536.0))); } }