Hemisphere GPS MBX-4 - Appendix A

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Appendices

Appendix A - Specifications

This appendix provides the operational, mechanical, electrical, physical,

and environmental specifications for the following Hemisphere GPS

products:

• MBX-4 Beacon Receiver

• MGL-4 Combination Antenna

• Internal Antenna Signal Splitter

Table A-1: MBX-4 Beacon Receiver Specifications

Operational Specifications

Item Specification

Frequency Range 283.5 - 325 kHz

Channels 2

Input Sensitivity 2.5 mV/m for 10 dB SNR @ 100 bps MSK Rate

Acquisition Time < 1 Second Typical

MSK Bit Rate 100, 200, or Automatic

Frequency Selection Manual or Automatic

Frequency Offset ± 5 Hz

Dynamic Range 100 dB

Adjacent Channel Rejection 60 dB @ f

± 500 Hz

Decoding RTCM 6/8

Demodulation MSK

Serial Interface Specifications

Item Specification

Interface Levels RS-232C and RS-422

Data Connector DB9 Socket

Hemisphere GPS MBX-4 - Appendix A - Specifications