Simrad MX525A Dokumentacja Pobierz pdf (Strona 22)

Specications | 21

4 Specications

GPS Receiver

Type: ............ L1, C/A Code (SPS) with carrier phase smoothing

Frequency: ....................................................... 1575.42 MHz

Channels: ..................................12 Channels, parallel tracking

Update rate: ................................................................. 1 Hz

RTCM Input: .......................................... RTCM SC-104 format

Satellite measurement use: ......... 12 channel parallel automatic

selection

Antenna type: ................................................. Ceramic Patch

Dynamic Range: .......................................................... 90 dB

Time to first fix:

Cold start (no almanac or RTCM): ......... 60 second (typical)

Reacquisition ..................................... <10 second (typical)

Position accuracy:

With differential corrections from:

Beacon Stations: <1 meters (2D-RMS) typical depending on

distance from differential base station.

Without differential corrections ... <3 meters (2D-RMS) (with

S/A off)

Serial Ports: ................................... 2 duplex NMEA 0183 ports

BAud Rates: ................................ 4800 (default), 9600, 19200

Data I/O Protocol: ........................................ NMEA 0183 V3.0

Correction I/O Protocol: .....................................RTCM SC-104

Datum: ..................................................................... WGS84

NMEA messages: GGA, GRS, GSA, GSV, GST, RMC, VTG, ZDA &

PMVXG,GBS (MX Marine proprietary)

Beacon Receiver (MX521A DGPS model only)

Frequency: ................... 283.5 to 325.0 kHz. 2-channel Auto or

Manual selection (500 Hz steps)

Sensitivity: ...........................2.5 uV/m for 6dB SNR @ 200 bps

Operating Modes: .................... Automatic, Manual or Database

Dynamic Range: ........................................................100 dB

Adjacent Channel Rejection: ......................61 dB @ f + 400 Hz

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Simrad MX525A Dokumentacja Strona 22