No audio available for this content. CompassTools Inc., a distributor of mapping and GIS products for field data collection, has installed a GPS reference station in Durango, Colorado, to provide ...

provide some protection against interfering signals. Although quantitative measures of resistance to RF interference, such as jammer-to-signal ratio (J/S) measured in decibels (dB) do exist, these ...

Universal Avionics' GLS-1250 GPS Landing Sensor System received TSO C129a, Class B1/C1 and approval from the FAA on June 17. The GLS-1250 when interfaced with Universal Avionics FMSes receives GPS ...

The U.S. Coast Guard (USCG) is working to provide Differential Global Po sitioning System (DGPS) service for harbor and harbor approach navigation by 1996. DGPS technology is the first to economically ...

The U.S. Coast Guard transmits differential corrections to GPS signals (DGPS) via low-frequency (285- to 325-kHz) beacons. Transmission data rates are 100 or 200 bits/s. The modulation is ...

A system that improves the accuracy of the GPS satellite navigation system. A satellite's positioning accuracy is impeded by errors in its clock and signal delays caused by atmospheric conditions.

Contract Confirms Madrid-based Firm’s International Expansion and Increasing Specialization in Maritime Transportation MADRID–GMV (www.gmv.com), a leading provider of new technologies in the maritime ...

John E. Chance & Associates, Inc, now affiliated with the Dutch Fugro Group, provides DGPS services to North America and much of the rest of the world with a system known as Starfix II. 62 Starfix II ...