Use GPS without GPS receiver! This is software GPS device simulator (virtual GPS receiver). It can be used for development purposes or for testing GPS software before buying. Generated NMEA sentences can be used by mapping or other GPS enabled software. This virtual GPS receiver can operate without GPS satellites visible and therefore it can be more effective than hardware GPS receiver indoor.
Speed response is more adequate and realistic. Speed can be selected in knots and km per hour. Virtual null-modem can be used with non standart COM port names.