This program is a demo application for BitLevelGPS software library that provides a PC-based user application with access to a NMEA-183 compliant GPS receiver via a serial communications port. It provides navigational data update once per second, decoding NMEA sentences: $GPGGA, $GPGSA, $GPGSV, $GPGLL, $GPRMC and $GPVTG. Decoded parameters include: time, date, position, altitude, speed, course and heading.

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 C/C++ example programs with full source code are included. Requires Windows C/C++ compiler. Registration is $105 for email delivery.

Win/CE 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 eVC example programs with full source code are included. Requires Windows Embedded Tools eVC compiler. Registration is $105 ($195 with source) for email delivery.

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. Registration is $105 for email delivery.

PocketPC Tidal and Marine Navigation SuiteIncludes:Tides - Worldwide tide height predictor. GPS - GPS repeater with NMEA capture and waypoint exchange facility. Planner - Passage planner to calculate passage times, course to steer etc. taking tidal streams into account. Logbook - To record all passage details, including automatic updates from GPS/NMEA input.

Ruler By George! is a Windows screen measurement utility. Ruler By George! is a handy semi-transparent virtual ruler ready to be dragged around on your computer screen it's very useful for measuring graphic objects in pixels, inches, and centimeters. The program features a vertical or horizontal orientation, dynamic length, customizable colors, and the ability to remain on top, above all windows. Simply drag and rotate the ruler to measure the objects on the screen. Measure a window or any part of the Windows desktop. You can choose among three measurement units (pixels, inches, centimeters), customize colors and font to achieve the optimal result.