GPS Software for Google Earth
GPS Software for Google Earth
by Greg Heppenstall
by Greg Heppenstall
February 2012
Canada NMEA Server

NMEA Server 1.1

Share a single NMEA-0183 Source among several applications on one or more computers. Download
  • The NMEA Server and NMEA Client utilities provide a versatile means of sharing a single, Serial Port-connected NMEA-0183 source among several applications on one or more computers, using TCP/IP.
  • The NMEA Server transmits the NMEA Sentences it receives to as many as 16 clients, which can reside on the host computer or on a network of computers.
    A network can be any normal, wired or wireless (Wi-Fi) interconnection of Local Area or Wide Area machines.
  • The NMEA Client re-generates the NMEA format to drive any available Serial Port, Real or Virtual, on the target computer.
    A Virtual Serial Port is a software device that emulates a standard serial interface, where a physical DE9/DB25 connector is absent.
    Pairs of Virtual Serial Ports can be "connected" back-to-back, to function as null-MODEMs.
    The secondary side of one Null-MODEM can drive one GPS application, and the secondary side of another Null-MODEM can drive another GPS application, both on the same computer.
    Note that this is usually very difficult to achieve on a single computer, where a single, physical Serial Port can drive only one application.
  • The NMEA Server contains a built-in client to extend an existing network created by an upstream server. (One server can drive up to 16 other servers.)
  • Both applications are fully compatible with Tallon, which can be configured as either a server or client.
  • Transmit the NMEA Sentences received
    to all connected Clients.
  • Operate as a TCP/IP Server at the local Host
    IP Address, with a user-selected Port Number.
  • NMEA Sentences can be received by Serial Port,
    or from an upstream NMEA Server.
  • Support up to 16 Clients.
  • Several instances of NMEA Server can
    be run on the same machine, simultaneously.
  • Use any available Serial Port COM 1 to 256.
  • Use the NMEA standard bit rate 4800,
    or any other basic rate 300 to 115200.
  • Use any available TCP Port.
  • Display IP Addresses of all connected Clients.
  • Display local IP Address.
  • Display current Latitude, Longitude and GMT.
  • Indicate receipt of valid position statements
    RMC, GGA and GLL. and any other
    NMEA Sentences, OTH.
  • Connect and disconnect manually.
  • Re-connect automatically, upon
    start-up and after network drop-outs.
  • Indicate status of TCP/IP and Serial connections.
  • All settings are saved and restored between
  • A Local Area Network (wired or wireless).
  • A GPS Receiver or other source of NMEA-0183 Sentences
  • A Serial COM Port (Physical/Bluetooth/Virtual/USB-Adapter)
  • Windows XP, Vista, 7, 8, 10 (32-bit, 64-bit)