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True Parallel 18-channel GPS receiver. |
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- The TRUE 18-channel parallel
receiver provides precise and quick positioning at any time.
- WAAS and EGNOS ready--The
satellite based positioning correction system will be fully
operated within a few years time. The systems called WAAS
(USA) and EGNOS (EU) are in trial phase which services are
broadcast now. The GPS-20A is ready for receiving the
seamless correction signals provided from these systems.
- NMEA 0183 interface with provision
for external RTCM SC-104 differential corrections.
- The NMEA output supplied as
standard, providing hihgly accurate positioning and
navigation data to externally connected equipment such as a
radar, plotter, sounder, DSC VHF, etc.
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GPS-20A GPS Sensor |
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GPS receiver section |
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Receiving frequency |
1575.42 MHz ± 1 MHz |
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Receiving channel |
Parallel 18-channel |
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Sensitivity |
-130 dBm |
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Accuracy |
Position |
GPS: 10m (2 drms, SA=OFF, PDOP≦3)
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SBAS : 8m (2 drm, SA=OFF, PDOP≦3) |
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Velocity |
0.1 kt (rms, SA=OFF, PDOP ≦3) |
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Differential GPS |
Receiver input |
SBAS (WAAS, EGNOS, MSAS, ) |
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External input |
RTCM SC-104 |
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General |
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Power supply |
10.8 to 31.2 VDC |
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Power consumption |
1.3 W or less |
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Data communication |
Asynchronous data communication with
RS-422 |
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Output data |
Format |
NMEA 0183 Ver. 2.0 (NOTE: Ver. 1.5 is
available on option basis) |
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Sentence |
GGA, GLL, VTG, RMC, ZDA, GSA, GSV |
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Data level |
RS-422 |
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Output current |
40 mA or less |
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