GPS client library component reads and decodes
standard GPS NMEA 183 sentences from the RS232 serial
port as well as compute great circle distances and
bearings. Several Visual Basic example programs with
full source code are included. Requires 32-bit
Visual Basic or VB.Net.

Some of the many features of the MarshallSoft GPS
Component (MGC) are:

(1) Uses the Windows Win32 API for serial port input.
No special Windows driver is required.
(2) Runs as a background thread unattended.
(3) The most current GPS data is always available on
demand.
(4) Support functions (such as mgcGreatCircle) are
included.
(5) Can be called from any application program
capable of calling the Windows Win32 API, including
C/C++, Visual Basic, PowerBASIC, Delphi, Visual
FoxPro, Visual dBase, Xbase++, Fortran, COBOL, etc.
(6) Most commonly used NMEA sentence types are
automatically decoded.
(7) MGC is a standard Windows DLL that does not
depend on support DLLs.

Registration is $105 for email delivery.

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