Best marine satellite compasses for 2021, part 2
11/22/2021

Last week we told you about several satellite compasses that provide extremely accurate positioning and heading information for onboard equipment such as multifunction displays, chartplotters, autopilots, etc. Below are five others that deliver that information in spades along with additional data. A few augment their capabilities by tapping into Global Navigation Satellite Systems (GNSS) in addition to GPS, such as Europe’s Galileo, Russia’s GLONASS, Japan’s QZSS and China’s BeiDou.

Rolling out these products is an exercise Marine Electronics Journal does every year as part of our Buyers’ Guide. It works like this: We ask the top manufacturers to identify the one model they produce in a particular category (17 in all) that they consider to be their Best & Brightest—not necessarily the most technically advanced or newest but rather the one they rate highest in the product line for one reason or another. Could be the functions and features it offers, or maybe it breaks new ground in maximizing effectiveness or utility, or maybe it’s the most popular as measured by sales to boaters. Last week we rolled out the first round of satellite compasses.

SI-TEX V200

The new SI-TEX V200 GPS Satellite Compass optimizes accuracy and performance for today’s most advanced marine electronics systems. The multi-GNSS V200 features a 424-channel receiver that uses all known satellite systems, including GPS, GLONASS, Galileo, BeiDou and QZSS; optional Atlas GNSS global correction service provides sub-meter 30-cm (11.8-inch) RMS accuracy. The 13.7-inch antenna provides 0.75° heading accuracy and onboard spectrum analysis for excellent in-band and out-of-band interference rejection. Integrated gyro sensors deliver fast heading reacquisition, smooth heading readings and reliable 1° per minute heading for up to 3 minutes after temporary loss of GPS. Built-in tilt sensors provide pitch, heave and roll data. Features 60-second cold-start acquisition and 100° per second maximum rate of turn. Available in both NMEA 2000 & NMEA 0183 versions.

B&G ZG100

The B&G ZG100 GPS antenna provides precise and dependable position data, making it the ideal partner for B&G chartplotters and instrument systems. The highly accurate 10-Hz GPS gives precise and smooth update of position information during acceleration and maneuvering, rapid signal acquisition and consistent position accuracy augmented by secondary satellite systems like WAAS, EGNOS, MSAS and Galileo. It is also QZSS-ready. The integrated compass delivers accurate heading information for instruments and chart stabilization for Head Up mode and radar overlays. It also provides heel and trim data for sailing. Please note this product is not suitable for use with MARPA (Mini-Automatic Radar Plotting Aid) or B&G Pilot systems, which require a rate compass such as the Precision-9, RC42 or Halcyon Gyro-Stabilized Compass.

Digital Yacht GPS160N2K
 
Latest TriNav GPS, Galileo and GLONASS GNSS sensor with ultra-fast 18-Hz output provides synthetic heading information for systems like AIS (Automatic Identification System) and MARPA radar systems that require a compass input. User programmable for a variety of outputs including position, course, speed and heading.

Onwa KEC-30G

The Onwa KEC-30G is an affordable, high-accuracy digital electronic compass with GPS (pitch and roll functions) that can be interfaced with other nav equipment such as radar, AIS, Onwa MFDs, etc. and can correct magnetic deviation manually or automatically. When used with Onwa Marine Heading Sensor KA-GC9A or Hemisphere GPS compass V104S, it provides heading as well as GPS data, lon/lat, SOG/COG (Speed Over Ground/Course Over Ground) and pitch and roll. The KEC-30G supports an NMEA 0183 interface.

Lowrance Point-1

The Lowrance Point-1 provides very accurate and rapid boat position and speed updates. In addition, unlike other position-only antennas, the Point-1 provides heading for accurate boat direction at any speed and for radar/chart overlay. The Point-1 easily connects to any HDS Gen2, HDS Gen2 Touch or Elite-7 display or any NMEA 2000 network. It is fully waterproof and can be pole or surface mounted on any boat.

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