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Ashtech ProMark 800 GNSS Receiver 990657-99

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  • 120 channels

  • GPS, GLONASS & GALILEO satellites

  • Z-Blade Technology

  • RTK rover capabilities

  • Built-in communication modules

  • Water and shock resistant

  • 2 seconds Time to First Fix

  • Multiple upgrades available

Availability: In stock


Overview for the Ashtech ProMark 800 GNSS Receiver

The Ashtech ProMark 800 from Spectra is a multi-frequency GNSS reciever that provides surveyors with steady and accurate readings in the field. With over 120 channels, this pole-mounted receiver is used as a powerful antenna to track GPS, GLONASS and GALILEO satellites. When combined with a data collector or handheld GPS device, it becomes a full network RTK rover. 

Advanced Z-Blade Technology

With Spectra’s Z-Blade technology and GLONASS and GALILEO satellites, the ProMark 800 receiver can maintain fast and stable RTK positions even when GPS coverage is insufficient or in obstructed locations. This survey GPS device tracks both L1 and L2 frequencies but can be upgraded to track the L5 GPS frequency as well.

Quick and Accurate Performance

With the advanced technology on board the ProMark 800, GNSS signals can be found in as fast as 2 seconds, allowing for accurate real time results. This GPS survey equipment has a real time kinematic (RTK) accuracy of 1 cm with a range of up to 25 miles.

Field-proven Operation

The Ashtech ProMark 800 is dustproof and can withstand tough weather conditions with a protection rating of IP65. This rover and rover/base system is cable free with a clear graphic OLED display. In addition, the survey device has a battery life of over 8 hours and weighs only 3.1 pounds, so it’s easy to transport. For maximum flexibility in the field, the ProMark 800 supports multiple wireless network communications such as cellular data and radio frequency.

Flexible RTK Rover Solution

Using the ProMark 800 as a powerful antenna, this GNSS receiver can be connected to any Spectra data collector like the Spectra Ranger 3 to create a ready-to-use RTK rover. For even more flexibility, the Ashtech ProMark 800 can also be paired with the versatile ProMark 120 GPS receiver for additional functions such as pre-survey and GIS data collection or with the MobileMapper 10 data collector that can maintain operation for over 20 hours. The ProMark 800 GNSS receiver can also be upgraded with FAST Output survey software to increase its processor speed to up to 20Hz and integrates with Spectra Survey Pro and Office software.

The mix of accurate RTK performance, compact design and network flexibility makes the ProMark 800 a powerful and appealing RTK solution for professional land surveyors while providing versatile all-day operation in demanding environments.

The surveying unit comes with a 1 year manufacturer’s warranty.

Features for the Ashtech ProMark 800 GNSS Receiver

  • 2 seconds Time to First Fix (TTFF)
  • Multiple operating modes and configurations
  • 120 GNSS Channels
  • Ashtech Z-Blade technology 
  • Built-in communication modules
  • Unlimited RTK Range Option
  • GLONASS and GPS L5 Options
  • FAST Output (up to 20Hz) Option
  • 99.9% RTK reading reliability
  • Up to 25 mile RTK range
  • IP65 dustproof and water resistant 
  • 8 hours battery life

Specifications for the Ashtech ProMark 800 GNSS Receiver

Weight 3.1 lb (1.4 kg)
Warranty 1 year
Dimensions 9 in x 7.4 in x 3.3 in (228 mm x 188 mm x 84 mm)
Type Graphic OLED display
Size 1.5 in
Keys Buttons
Resolution 128 x 64 pixels
Operating -22ºF~131ºF (-30ºC~55ºC)
Storage -40ºF~158ºF (-40ºC~70ºC)
Battery Life 8 hrs
Power Source 4600 mAh Li-Ion
Charging Time 3 hours
Tracking Features
Frequency Multi (L1 / L2 / L5)
Channels 120
Antenna Internal
Time to First Fix 2 sec
Range 24.85 mi (40 km)
Control Surveying yes
Construction Survey yes
Topographic Survey yes
Static Survey yes
Kinematic Survey yes
RTK H: 0.39 in. + 1 ppm V: 0.79 in. + 1 ppm (H: 10 mm + 1 ppm V: 20 mm + 1 ppm)
Static H: 0.12 in. + 0.1 ppm V: 0.2 in. + 0.4 ppm (H: 3 mm + 0.1 ppm V: 3.5 mm + 0.4 ppm)
Post Processing H: 0.39 in. + 1 ppm V: 0.79 in. + 1 ppm (H: 10 mm + 1 ppm V: 20 mm + 1 ppm)
DGPS H: <9.84 in. + 1 ppm (<25 cm + 1 ppm)
SBAS H: <19.68 in. (<50 cm)
On-Board 128MB
Expandable yes
Raw Data Recording yes
Rover Configuration yes
Base Configuration yes
Post Processing yes
Stake Out yes
NTRIP Protocol yes
RTC Bridge yes
RTK Network Rover yes
Communication Interface
Bluetooth yes
Cellular optional
Internal UHF optional
USB yes
RS232 (9-pin serial adapter) yes
RS422 yes
PPS Output yes
Advanced Features
Weather Protection IP 65 (dustproof and water resistant at any angle)
Shock Protection ETS300 019 / EN60945
  • Total weight under 5 pounds
  • Field-proven ergonomic design

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