Redline Communications Inc. SC1000E 用户手册

Doc #70-00100-01-00-DRAFT 

Proprietary Redline Communications © 2009  

Page 52 of 60 

January 7, 2009 

 

Mechanical 

Dimensions 

60 mm dia. x 34.2 mm H 

Weight 50g 

Connector RS232: 

DB9F 

Mounting 

¾” Thru hole or Mast bracket 

Shock 

Vertical axis 50G, other axis 30G 

Vibration 

3 axis sweep = 15 minutes 
(10-200 Hz log sweep) 

Environmental 

Operating Temp 

-40 to +85 C 

Storage Temp 

-45 to +85 C 

Humidity 

95% max (non-condensing) 

Electrical 

Voltage +/-25 

V 

Current <100 

mA 

Antenna Response 

Frequency 1575.42 

MHz 

Gain 

@ 90 3 dBic 
@ 20 -2.0 dBic 

Polarization Right 

Hand 

Circular 

Axial Ratio 

@ 90 4 dB 
@ 20 6 dB 

Out-of-band rejection 

+/- 20 MHz: 10 dB 
+/- 30 MHz: 32 dB 

GPS Performance 

Frequency 

L1, 1575.42 MHz 

Channels 12 

channels 

parallel 

Sensitivity 

-146 dBm (min. tracked signal) 

Position Accuracy 

< 30 meters SPS 

Time to First Fix 

Autonomous start < 90 sec 
Cold start < 45 sec 
Warm start < 7 sec 
Re-acquisition < 1 sec 

Serial Protocol: RS232 

NMEA messages 
4800 baud: GGA5, VTG, GSA, GSV on UTC second 
57,600 baud: GGA5, GSA, GSV, RMC, on UTC second 

1 PPS 

Resolution 

+/- 31 nanoseconds 

Accuracy 50 

nanoseconds 

Reporting 

Proprietary NMEA message TG format