Survey Equipment For Sale

Hemisphere GPS S320 GNSS Survey Receiver System
Bluetooth, UHF, GSM

The S320 is an integrated GNSS survey and mapping device for mobile data collection providing differential GPS (DGPS) accuracy in a rugged, all-in-one enclosure.

  • SMS Communication Send and receive status messages via SMS
  • Internal Radio SS/UHF & GSM Cellular Optional UHF 400 MHz or 900 MHz internal radio eliminates the need for cables on both base and rover setups
  • Dual Bluetooth Ports Connecting data collectors and CDMA modem devices
  • Dual Hot-Swap Batteries Includes two lithium ion batteries, which provides more than 10 hours of battery life
  • 2GB SD Memory Card Removable SD card for data logging with powerful scripting capabilities
  • SureTrackTM Intelligence - Hemisphere GNSS’ exclusive SureTrack intelligence gives you excellent RTK performance: Long- range RTK baselines; reliable RTK in congested environments; removes concerns of mixing GNSS data from various manufacturers; even if base is GPS only, rover can deliver complete GNSS performance where others may not; RTK rover uses every satellite it’s tracking, even satellites not tracked at the base.
  • Auto Level Sensor
  • LEDs on the front of the S320 will assist with ensuring the unit is level.

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Teledyne Odom Echotrac CV100 Digital Hydrographic Echo Sounder
Dual frequency, GPS ready


  • Dual Channel Configuration: High: 100 kHz-340kHz Low: 24 kHz-50kHz
  • Resolution: 0.01m, 0.1 ft.
  • Accuracy (corrected for sound velocity): 200kHz-0.01 m +/- 0.1% depth 33kHz-0.10 m +/- 0.1% depth
  • Output Power : Up to 300 watts RMS < 1 watt minimum
  • Ping Rate: Up to 20Hz in shallow water (10m) range
  • Depth Range: From <30cm to 600m (depending on frequency and transducer selected)
  • Power Requirements; 9-32VDC < 15 watts
  • Weight: 5kg (11lbs)
  • Dimensions: 28cm W (11 in) x 23cm H (9 in) x 11.5cm (4.5 in) D
  • Mounting: Desktop or bulkhead mount
  • Ports/Interface: Ethernet (LAN) plus 4xRS232or3x232and1xRS422 Inputs from external computer, motion sensor, sound velocity Outputs to external computer or remote display Output string: Odom Echotrac SBT, NMEA DBS, NMEA DBT, DESO 25 Heave Input-TSS1 or “Sounder Sentence”
  • Software: Echotrac Control SW - Simple Windows compatible graphical user interface Storage of full ping to seabed data in DSO format with e-Chart (easily compressed or converted to .XTF for additional processing)

Contact us for pricing.