* @param &$val String GPS string in either DDD,MM,SSk or
* or DDD,MM.mmk form
* @param $standalone Boolean if its a simple prop (should always be true)
*/
* @param &$val String GPS string in either DDD,MM,SSk or
* or DDD,MM.mmk form
* @param $standalone Boolean if its a simple prop (should always be true)
*/