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CHC Navigation | CHCNAV | i73

Ultimate pocket GNSS + IMU RTK receiver

The i73 GNSS receiver removes barriers to portability without sacrificing performance. It features iStar technology and offers best-in-class GNSS signal tracking, even in a harsh environment, enabling GNSS surveying beyond the usual constraints. Integrating the latest innovations such as an inertial module providing automatic pole-tilt compensation in a very compact design, the i73 GNSS is a highly productive rover for surveying and stakeout in any topographic, mapping or construction site.

  • CHC Navigation | CHCNAV | i73
CHC Navigation | CHCNAV |
599 Gaojing Road, Building D
201702 Shanghai
China
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Description

  • THE ULTIMATE POCKET IMU-RTK GNSS RECEIVER

Extremely rugged to cope with challenging environments

The i73's magnesium alloy design makes it one of the lightest receivers in its class: only 0.73 kg including the battery. It is more than 40% lighter than a typical GNSS receiver, making it more convenient to carry, use and operate without fatigue. The i73 compensates for up to 45 ° tilt of the survey range pole, eliminating the challenges associated with surveying concealed or unsafe points to reach.  It increases the efficiency of point measurements by 20% and stakeout surveys by up to 30%.

 

  • BEST-IN-CLASS SIGNAL TRACKING

Full GNSS with 624 channels advanced tracking

The integrated advanced 624-channel GNSS technology takes advantage of GPS, Glonass, Galileo, and BeiDou, in particular the latest BeiDou III signal, and provides robust data quality at all times.

 

  • REMOVE THE BARRIERS TO INTENSIVE USE

Get full power with 15 hours of battery operation

The integrated high-capacity intelligent Li-ion battery provides up to 15 hours of operation in the field. Full-day projects can be easily completed without worrying about a power outage. The built-in USB-C is extremely convenient for charging the i73, using standard smartphone chargers or external power banks.

 

  • GNSS SURVEYING, THE WAY YOU WORK

A versatile GNSS rover covering your current and future needs

The i73 seamlessly connects to RTK GNSS networks via any Android controller or smartphone with Landstar field data collection software. When working on a site with a local UHF GNSS station, the i73 can be easily switched to UHF mode using its internal modem. Combined with CHCNAV's iBase GNSS station, GNSS RTK surveying truly achieves the next level of operational experience.

 

The i73 GNSS receiver removes barriers to portability without sacrificing performance. Featuring full GNSS technology, it offers best-in-class GNSS signal tracking even in a harsh environment, enabling GNSS surveying beyond usual constraints. The i73 GNSS incorporates the latest innovations such as an inertial module providing automatic pole-tilt compensation in a very compact design.

Connected to a GNSS RTK network via CHCNAV LandStar field software, or combined with the iBase GNSS receiver, the i73 GNSS is a highly productive rover for surveying and stakeout in any topographic, mapping, or construction site applications.

 

Specifications

  • Type
    Land
  • Year of initial introduction
    2020
  • Height [m]
    0.085
  • Depth [m]
    0.119
  • Width [m]
    0.119
  • Total Weight [kg]
    0.73
  • Typical consumption [W]
    4
  • Internal power supply
    Built-in non-removable battery 6800 mAh, 7.4V
  • Operating time with internal power supply [hr]
    12
  • Certifications
    CE/FCC
  • Operating temperature: min. [°C]
    -40
  • Operating temperature: max. [°C]
    65
  • Humidity resistance
    100% condensation
  • Water sand and dust proof
    IP67 waterproof and dustproof
  • Shock and vibration proof
    protected from temporary immersion to depth 1m
  • No. channels
    624
  • Tracked satellite signals
    GPS: L1, L2, L5; GLONASS: L1, L2; Galileo: E1, E5a, E5b; BeiDou: B1, B2, B3; QZSS: L1, L2, L5
  • SBAS differential signals
    L1
  • Type of data (on board recording)
    RTCM 2.x, RTCM 3.x, CMR input/ output HCN, HRC, RINEX2.11, 3.02

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