In the past course has been recorded
with a pen-plotter and highly expensive custom graph paper.
The KW991 uses a low cost dot matrix printer and plain paper
(roll or fan-fold), and it prints intelligently in plain text,
along with time.
The data may be recorded on a PC using a free data logging
program, as a simple Voyage Data Recorder.
GPS input provides timing. A routine log of position and
speed over ground is printed. The output data rate is variable,
automatically, to this simple rule, to minimize the use of
paper
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Printout every 6 minutes when
on course.
Printout every 10 seconds, if heading changes more than 2 degrees from
last printout. |
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EXAMPLE 12:30:02 51 30.123
N 001 16.345 E 012.3 d 12.5 gspd 015.5 cog 29:03:99 |
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BRIEF SPECIFICATION:
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Stepper, synchro, NMEA 0183
GPS input port (Essential)
Fluorescent display 166 x 41 mm
Tape: +/- 12.5 degrees
Digital display
Plain text course record
4800 baud ASCII plain English output
260 x 160 x 90 trunnion mount.
Colour near light Admiralty grey
10 to 32 volts at 12 watts |
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| The KW991 is installed on HM Navy ships,
Royal Fleet Auxiliaries, Customs launches, ferries. Vela,
Sea River, US Sealift, Stena. |
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