NorthStar 941X Reference Manual page 141

Internal Beacon
Receiver
(optional)
Rev. D
Signal Processing Signal Processing Signal Processing Signal Processing
Number of Channels:
Frequency Range:
Tuning Resolution:
Minimum Signal Strength:
Dynamic Range
Adjacent Channel Rejection:
Acquisition Time:
Noise Blanker:
Signal Detection:
tracking via PLL (phase-locked loop)
Data Processing Data Processing
Data Processing Data Processing
Demodulation:
Data Decoding:
MSK Bit Rates:
Power Requirements Power Requirements
Power Requirements Power Requirements
Power Consumption:
Data Ports Data Ports
Data Ports Data Ports
DGPS Correction Output Port:
Environmental Environmental
Environmental Environmental
Whip Antenna:
ACU:
Antenna:
Appendix Appendix Appendix Appendix
2
283.5–325.0 kHz
< 2 Hz
1µV/m @ 100bps
> 100 dB
> 50 dB at 1 kHz
5 seconds, manual command
15 seconds, automatic warm start
15 minutes, automatic cold start *
Predictive variable length
Acquisition via FLL (frequency-locked loop);
MSK (Minimum Shift Keying)
Parallel-matched digital filters
25, 50, 100, 200 (automatically selected)
2 Watts
RTCM SC-104 Version 2.0—6 of 8
RS-232-C
9600 or 4800 baud
Height: 11 inches
Diameter: 2.6 inches
Weight: 1.5 pounds
48-inch fiberglass whip (not supplied)
(Shakespeare 4' #173 loaded, or Radio Shack
#21-934)
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