GSR-1 GeochainSlimTM Receiver
GSR-1 Satellite Specifications  
Length 44” (1135mm)
Diameter 1 11/16” (43mm)
Weight 19.5lbs (8.85kg)
Max locking range 7” (178mm) Standard or 13” (330mm) with long arm
Max locking force 300 lbs (Standard Arm)
Temperature 400oF (204oC) Analogue, 385oF (195oC) Digital AS271 – (180oC pre 2016 electronics modules AS270).
Pressure 20,000psi (1400 bar)
Sensors 3 Component Fixed – SMC 2400 15Hz Omni Directional Geophone – Quad
Well Deviation Control 0o-95o
Panels GPP/GMP & GSP-1 (Digital)
  DCP-2 & GSP-1 (Analogue)
 Coming Soon: GMP – (Replaces GPP – Provides Power with wireline QC and telemetry features).


System Specifications
Downhole Specifications  
Max. No. of Satellites 62
Telemetry Sample interval Bandwidth Hz GSR’s (using SDFU)
  1/4ms 1600 8 (15)
  1/2ms 800 16 (30)
  1ms 400 32 (60)
  1.5ms 266 48 (80)
Dynamic Range >112dB @ 0dB pre-gain (minimum)
A/D convertor 24 bit Delta-Sigma
Distortion <0.02%
DC offset Self-calibrating
Max. data rate
4Mbit/second (using X-Gen Digitizer)
Min. data rate 256kbit/second


Surface Specifications  
Recording panel GPP and GSP-1 (Digital) DCP-2 and GSP-1 (Analogue)
Software ASL Acquisition Suite and Copy of VSProwess© Processing Software
Cable equalisation Fully automatic using internal DSP chip
Down-going data rate 2 kbit/second
Airgun firing pulse 60 V, 30ms
Test system Fully automatic with comprehensive report generation
PC Interface USB
Power Requirements 100/230 V AC, 47-63 Hz universal input, 30 watts
Operating Temp 32-104°F ( 0-50°C)
Enclosure Standard 19” rack mounting