Free nmea downloads

It is a PC Clock synchronization program. The program synchronizes a PC Clock to the right time using artificial satellites. It is alternative solution to synchronizing with atomic clock using NTP(SNTP) and Internet. The program works in the interactive mode or in background. It uses NMEA protocol. $GPZDA, $ZQZDA or $GPRMC protocol sentences are explored as time source. The program can be used as NMEA and COM port tester. It outputs a port receiving buffer, extracts all NMEA sentences and counts check sum errors. Default protocol version is NMEA 0183. If you want to use this program you need a GPS (Global Positioning System) unit connecting to PC's COM port. The product is free for users of BrigSoft products Atomic Clock Service, PC Atomic Sync and OS Non-Proxy Atomic Sync.
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MarshallSoft GPS Component C/C++ (.NET) library toolkit (MGC4C) reads and decodes industry standard GPS NMEA 183 navigation sentences from the RS232 serial port as well as computes great circle distances and bearings. Features of MGC4C include: The most current GPS data is always available on demand * Runs as a background thread unattended * Works with Bluetooth virtual serial ports * Works with USB serial ports (with a USB to serial converter) * The most commonly used NMEA navigation sentence types (GPGGA, GPRMC, GPGLL, GPGSV, and GPVTG) are automatically decoded * Includes C, C++, VC.NET, and C# example programs * Uses the Windows Win32 API for serial port input - no special Windows driver or support libraries are required * Supports Microsoft Visual C/C++ (including .NET), C# .NET, Borland 5.0 and 5.5, Watcom 11.0, and LCC-WIN32 * Can be used with Microsoft Foundation Class MFC and Borland C++ Builder programs * Can also be used with Delphi, Visual Basic, VB.NET, VBA application (EXCEL, ACCESS, WORD, etc), Visual FoxPro, Visual dBase, Xbase++, PowerBasic and COBOL * Can be ordered with or without C source code for the DLL * Free technical support and updates for one year * Includes 3 manuals: Programmers Manual, Reference Manual, and Users Manual (Online and printed). * Runs under Windows 95/98/Me/NT/2000/2003/XP/Vista * Royalty free distribution with your compiled application. The evaluation version of MGC4C is fully functional and can be downloaded from http://www.marshallsoft.com/mgc4c.htm. The Visual Basic version (which used the same DLL as the C/C++ version) can be downloaded from http://www.marshallsoft.com/mgc4vb.htm. The Win/CE (Pocket PC) version can be downloaded from http://www.marshallsoft.com/mgc4evc.htm.
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MarshallSoft GPS Component VB (and VB.NET) library toolkit (MGC4VB) reads and decodes industry standard GPS NMEA 183 sentences from the RS232 serial port as well as computing great circle distances and bearings. Features of MGC4VB include: The most current GPS data is always available on demand * Runs as a background thread unattended * Works with Bluetooth virtual serial ports * Works with USB serial ports (with a USB to serial converter) * The most commonly used NMEA navigation sentence types (GPGGA, GPRMC, GPGLL, GPGSV, and GPVTG) are automatically decoded * Includes Visual Basic and VB.NET example programs * Can be used with VBA application (32-bit EXCEL, ACCESS, WORD, etc.) * Uses the Windows Win32 API for serial port input - no special Windows driver or support libraries are required * Can also be used with C, C++, C#, Delphi, Visual FoxPro, Visual dBase, Xbase++, PowerBasic and COBOL * Can be ordered with or without C source code for the DLL * Free technical support and updates for one year * Includes 3 manuals: Programmers Manual, Reference Manual, and Users Manual (Online and printed). * Runs under Windows 95/98/Me/NT/2000/2003/XP/Vista * Royalty free distribution with your compiled application.The evaluation version of MGC4VB is fully functional and can be downloaded from http://www.marshallsoft.com/mgc4vb.htm. The C/C++/C# version (which used the same DLL as the C/C++ version) can be downloaded from http://www.marshallsoft.com/mgc4c.htm. The Win/CE (Pocket PC) version can be downloaded from http://www.marshallsoft.com/mgc4evc.htm.
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