GNSS Receiver CHCNAV i73

GNSS Receiver CHCNAV i73

GNSS i73 removes barriers to portability without sacrificing performance. Featuring full GNSS technology, it offers best-in-class tracking of GNSS signals even in harsh environments, enabling GNSS surveying beyond normal limitations. The GNSS i73 includes the latest innovations, such as an inertial module that provides automatic pole tilt compensation, in a very compact design.

Name Value
Country PRC
Release start date 2021
BeiDou: B1, B2, B3
Galileo E1, E5A, E5B
QZSS L1, L2, L2C, L5
SKP Statika in plan 2.5 mm + 0.5 mm/km
SKP Statics by height 5.0 mm + 0.5 mm/km
SKP PPK in plan 8.0 mm + 1.0 mm/km
SKP PPK height 15.0 mm + 1.0 mm/km
RTK SKP in plan 8.0 mm + 1.0 mm/km
RTK UPC height 15.0 mm + 1.0 mm/km
UPS DGPS in plan 0.25 m + 1.0 mm/km
UPS DGPS height 0.50 m + 1.0 mm/km
Initialization time, sec <10
Positioning frequency, Hz to 1
Initialization reliability >99.9%
Number of USB interfaces 1
Bluetooth 4.1 is
EDR support is
Wi-Fi is
NFC is
Built-in GSM/GPRS modem no
Built-in VHF modem Rx
Frequency range, MHz 410-470
Amendment formats RTCM 2.1, RTCM 2.3, RTCM 3.0,RTCM 3.2 MSM, CMR
Format message output NMEA
Supported broadcast protocols CHC, Transparent, TT450S
Satellite measurement recording formats HCN, HRC, RINEX 2.x, 3.x
Built-in memory 8GB
Size (a, b, h), mm 119 x 119 x 85
Body material magnesium alloy
Receiver weight, kg 0.775
Operating temperature From -45 °C to +75 °C
Storage temperature From -45 °C to +80 °C
Dust and moisture resistance IP68
Impact resistance withstands a 2.0 m drop onto concrete
Humidity 100%
Possibility of connecting an external GNSS antenna no
Power consumption 4 W
Battery type Built-in Li-Ion
One battery capacity, mAh 6400
Number of batteries in the receiver 1
Number of batteries included Battery built into the receiver
Hot-swappable battery No
Working time in Statics, in hours Up to 15
Working time in RTK, in hours Up to 12
External power input, V 5
Web interface is
Display No
Front panel display LED indicators
Low noise carrier phase measurement is
Multipath suppression technology is
Warranty, year 2



GNSS Receiver CHCNAV i73 in Uzbekistan, Tashkent

Connected to a GNSS RTK network using CHCNAV LandStar field software or in combination with an iBase GNSS receiver, the i73 GNSS is a high-performance rover for surveying and staking out any topography, mapping or construction site .

The CHCNAV i73 is a high-precision GNSS (Global Navigation Satellite System) receiver manufactured by CHC Navigation. It is designed for professional surveying, mapping, and construction applications that require accurate positioning data. Here’s an overview of the CHCNAV i73 GNSS receiver:

  1. Multi-Constellation Support: The i73 receiver supports multiple GNSS constellations, including GPS (Global Positioning System), GLONASS (Global Navigation Satellite System), Galileo, and BeiDou. By utilizing signals from multiple satellite systems, the receiver can achieve higher accuracy and reliability in positioning.
  2. Multi-Frequency GNSS Tracking: The i73 receiver supports multi-frequency GNSS tracking, allowing it to receive signals on multiple frequency bands, such as L1, L2, and L5. Multi-frequency tracking enhances positioning accuracy and mitigates errors caused by ionospheric and multipath effects.
  3. Real-Time Kinematic (RTK) Positioning GNSS Receiver CHCNAV i73: The i73 receiver supports RTK positioning, a technique used to achieve centimeter-level accuracy in real-time. It compares its measurements with those of a reference station to calculate precise corrections that are transmitted to the rover receiver, enabling high-precision positioning.
  4. Integrated Communication Options GNSS Receiver CHCNAV i73: The i73 receiver features integrated communication options for data transfer and configuration. It may include Bluetooth, Wi-Fi, and cellular modem capabilities, allowing for convenient wireless communication with external devices and networks.
  5. Trimble Maxwell 7 GNSS Technology GNSS Receiver CHCNAV i73: The i73 receiver is equipped with Trimble Maxwell 7 GNSS technology, known for its high-performance tracking and robust signal processing capabilities. This technology enhances the receiver’s ability to acquire and track GNSS signals even in challenging environments.
  6. Rugged and Compact Design GNSS Receiver CHCNAV i73: The i73 receiver is designed to withstand harsh environmental conditions encountered in outdoor surveying operations. It typically features a rugged and compact housing that is water-resistant and shockproof, ensuring reliable performance in the field.
  7. Flexible Mounting Options: The i73 receiver can be mounted on surveying poles, tripods, or other mounting accessories for versatile deployment in various surveying applications. Its compact and lightweight design makes it easy to transport and set up in the field.
  8. User-Friendly Interface: The i73 receiver features a user-friendly interface with intuitive controls and a clear display screen for easy operation. It may include software tools for configuring settings, monitoring satellite signals, and analyzing positioning data collected by the receiver.
  9. Versatile Applications: The i73 receiver is used in a wide range of surveying and mapping applications, including land surveying, construction, agriculture, GIS (Geographic Information Systems), and asset management. It provides accurate positioning data for mapping, navigation, and asset tracking purposes.

Overall, the CHCNAV i73 GNSS receiver is a reliable and high-performance solution for professional surveying and mapping applications that require precise positioning data. Its advanced features, rugged design, and user-friendly interface make it well-suited for demanding outdoor environments and complex surveying projects.

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