Double your pleasure: a new satellite positioning receiver for surveying combines GPS with the Russian GLONASS

Article Abstract:

Land surveying techniques have been developed that can be used to combine GPS with the Russian GLONASS navigation system. Future use of these receivers in ship navigation is discussed. Ashtech, a Sunnyvale, CA-based company has developed the receiver for both systems.

Usage, Product development, Column, Ships, Aids to navigation, Navigation aids, Artificial satellites in navigation, Satellite navigation, Dynamic positioning systems, Ashtech Inc.

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Stopping the flood

Article Abstract:

Loose hose clamps, poor hull fittings, a broken bilge-pump switch and other factors can cause result in flooding, so a flood protection system is a good idea. A bilge-pump system backup that includes a second float switch is described.

Safety and security measures, Yachts and yachting, Yachting, Yachts

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Northstar 962

Article Abstract:

The $10,195 Northstar 962 electronic navigator display unit plots sea charts in graphic detail, updating new information on a weekly basis. The system uses a lot of power.

Evaluation, Product/Service Evaluation, Navigation systems, Electronics in navigation, Northstar (Navigational aid)

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