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Receiving Ground Station
 
 
 
Alaska Satellite Facility, Geophysical Institute, University of Alaska Fairbanks  
 
   
  Alaska Satellite Facility
UAF Geophysical Institute
P.O. Box 757320
Fairbanks, Alaska
USA 99775-7320

Phone: 907-474-6166
Fax: 907-474-2665
uso@asf.alaska.edu
www.asf.alaska.edu
 
     
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RGS 11m X-Band Receiving System
X-Band telemtry system G/T - 34 dB/deg K
Four independent, separately-tuned data channels
RHC &LHC selectable for all data channels individually
Freq Range 8000-8500 MHz (in 100 KHz increments)
QPSK/UQPSK
Bit synch/Signal conditioner support for:
  • 105 Mbps QPSK [ERS-2 & RSAT-1]
  • 85 Mbps QPSK [RSAT-1]
  • 60 Mbps QPSK [ADEOS-2]
  • 6 Mbps QPSK [ADEOS-2]
Tracking channel, pseudo-monopulse autotrack mode

RGS 11m S-Band Receiving System
S-Band telemetry system G/T - 22 dB/deg K
Dual-polarization diversity combiners supporting data and track channel
Freq Range 2200-2400 MHz
Demods for AM, PM, FM, & BPSK
QPSK/UQPSK
Data Rates - 10 kbps to 4 Mbps BIO-L,
10kbps to 8 Mbps NRZ-L

Tracking channel, E-Scan autotrack mode

RGS 11m S-Band Uplink System
Freq Range 2025-2120 MHz
Power range 50 to 200 watts
Modulation:
  • Transmit Data - 2kbps data BPSK on a 16
    kHz subcarrier, linearly PM on uplink
  • Transmit Ranging - 1.7 MHz subcarrier
    summer with data