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The CruzPro SOG1 takes NMEA 0183 data at 4800 BAUD from a GPS and creates an analog paddlewheel signal so you can display Speed Over the Ground (SOG) on a standard speed log without a transducer.


SOG1

Click here to download User's Manual PDF

CruzPro SOG-1 GPS NMEA to Paddlewheel output converter



Specifications:

Supply Voltage:
10.0 to 16.50 VDC 0.018 amps nominal.

Operating temperature:
0 to 50 deg Celsius ( 32 to 122 deg Fahrenheit).

Size:
50 x 35 x 30 mm (2 x 1.4 x 1.2 inch)

Input:
$GPRMC 4800 baud standard NMEA 0183 data sentence from a GPS (GPS not provided).

Output:
Analog paddlewheel signal 22,000 pulses per nautical mile.

Speed Range:
0.00 to 60.00 knots with 0.01 knot resolution.

Output Voltage:
0 to 12V nominal square wave.

Advantages:

No speed transducer required.
No extra hole(s) in your boat.
No fouling or cleaning of the paddle wheel.
Gives speed over the ground.
Unaffected by water currents.
More reliable than a paddlewheel.
Usually more accurate than a paddlewheel.
Accurate down to 0.01 knots.
Accurate up to 60.00 knots.
0.01 knot resolution.
Inexpensive.
Good backup if your paddlewheel suddenly stops working.


SOG1 NMEA 0183 to paddlewheel signal converter

The SOG1 creates an analog paddlewheel output signal from a standard GPS NMEA 0183 $GPRMC sentence at 4800 BAUD so you can display Speed Over the Ground (SOG) on a standard analog or digital speed log.

The SOG1 replaces a thru-hull or transom mount paddlewheel speed transducer and provides Speed Over the Ground in place of Speed Through the Water.

No more cleaning of paddlewheels to remove marine growth or weeds.

Provides a more accurate estimate of time to get to your destination since it is not affected by water currents and provides a resolution of 0.01 knots from 0.00 to 60.00 knots.

The SOG1 is powered by 12VDC and draws less than 0.020 amps.

Read the article about the SOG-1 written by Mark Corke here: Click here to read the article



SOG1 Connection Diagram


SOG1 Connection Diagram

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