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Are You Using Russian SatNav?

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If you are using a GPS, MFD, or cell phone that is less than a year or two old, there is a pretty good chance that you may be using Glonass as well as GPS without realizing it. Cell-phone manufacturers including Apple, Sony, and Samsung are incorporating multi-system GPS/Glonass receivers into their current products, and these marine-electronics manufacturers are plotting a similar course:

Garmin GPS 19X NMEA 2000 receiver antenna

The Garmin GPS 19X NMEA 2000 receiver antenna ($249.99; provides 10 Hz update rates to Garmin chartplotters using data from GPS with WAAS, Glonass, Galileo, and Japan’s Quasi-Zenith Satellite System (QZSS) augmentation system (the latter two systems may require a software update).

Raymarine A12 MFD

The Raymarine A12 MFD (starting at $2,799.99; and a9, the 9-inch version, feature an advanced chipset and a 50-channel satellite receiver that supports multiple satellite networks (GPS and Glonass at present) at a 10 Hz update rate (that’s ten times per second) and receive differential corrections from WAAS and the European Geostationary Navigation Overlay Service (EGNOS) for improved accuracy. Raymarine is planning future products to have three-system capability, adding Beidou when it is fully operational.

Simrad NSS evo2

The Simrad NSS evo2 (starting at $1,199; has a built-in receiver for GPS, Glonass, and Galileo signals, and also uses WAAS, EGNOS, and Multifuntional Satellite Augmentation System differential GPS system. (The Lowrance HDS Gen 3 has the same capability. See more here )

Digital Yacht GPS150 DualNav

Digital Yacht GPS150 DualNav ($189.95; Digital Yacht’s GPS150 DualNav is a self-contained add-on that updates the satellite-navigation capabilities of older units. The GPS150 collects data from both GPS and Glonass systems, and will be ready when Galileo comes online, using a 50-channel receiver, a 10-Hz update rate, and both automatic and manual switching between satellite systems.

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This article originally appeared in the March 2015 issue of Power & Motoryacht magazine.