CHCNAV i73+ IMU-RTK GNSS

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CHCNAV i73+ IMU-RTK GNSS

Original price was: $4,890.00.Current price is: $4,290.00.

The i73+ GNSS is a compact receiver with a built-in UHF modem, perfect for base station or rover applications. Its automatic pole tilt compensation boosts point measurement efficiency by 20% and improves stakeout productivity by 30%. Lightweight and portable, the i73+ enhances survey comfort, adapting easily to various job sites and reducing operator fatigue.

Categories GNSS Receivers, GNSS Systems Tags CHCNAV, ChcNav i73, GNSS, GNSS Rover, GPS, Rover Brand: CHCNAV

CHCNAV i73+ IMU-RTK GNSS

This item: CHCNAV i73+ IMU-RTK GNSS

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Professional GNSS

Ensure robust data quality with the i73+’s advanced 1408-channel GNSS technology, which efficiently tracks satellite signals from all constellations, including GPS, GLONASS, Galileo, BeiDou, QZSS and SBAS.

With an IP67 rating, the i73+ is fully dustproof and waterproof, delivering reliable performance in harsh environments. Its rugged design resists shock and vibration, making it ideal for demanding fieldwork.

Built-In Modems

Compatible with all major radio protocols, the i73+ operates as both a base and rover, delivering high productivity. When connected to a GNSS RTK network via CHCNAV LandStar field software, it excels as a highly efficient NTRIP rover.

Portable and Lightweight

Weighing just 0.73 kg, the i73+’s compact magnesium alloy design ensures easy portability and operation, reducing operator fatigue and enhancing survey comfort during fieldwork.

Perform extensive surveys with the i73+’s 6800 mAh battery, offering up to 24 hours of RTK rover operation and 10.5 hours of UHF RTK base operation, ensuring reliable performance throughout long field sessions.

Pole Tilt Compensation

Boost point measurement efficiency by 20% and stakeout speed by 30% with the i73+. Its automatic compensation for up to 60° pole tilt removes the need for precise pole leveling, enhancing field productivity.

SPECIFICATIONS

GNSS PERFORMANCE
Channels	1408 channels with iStar2.0
GPS	L1 C/A, L2C, L2P, L5
GLONASS	L1, L2
Galileo	E1, E5a, E5b, E6
BeiDou	B1I, B2I, B3I, B1C, B2a, B2b
SBAS	L1, L2
QZSS	L1C/A, L1C, L2C, L5
GNSS Accuracies
Real Time Kinematics (RTK)	Horizontal: 8 mm + 1 ppm RMS
	Vertical: 15 mm + 1 ppm RMS
	Initialization time: <10 s
	Initialization reliability: >99.9%
Post-processing kinematics (PPK)	Horizontal: 3 mm + 1 ppm RMS
Post-processing kinematics (PPK)	Vertical: 5 mm + 1 ppm RMS
Post-processing static	Horizontal: 2.5 mm + 0.5 ppm RMS
Post-processing static	Vertical: 5 mm + 0.5 ppm RMS
Time to first fix	Cold start: < 45s Hot start: < 10s Signal re-acquisition: < 2s
RTK tilt -compensated	Additional horizontal pole-tilt uncertainty typically less than 8 mm + 0.7 mm/° tilt down to 30°
Hardware
Size (L x W x H)	119mm x 119 mm x 85 mm
Weight	0.730 kg (0.99 lb) Survive a 2-meter pole drop
Front panel	4 LED, 2 button

Features	LandStar software, support
Communication

Wi-Fi	Wi-Fi 2.4G 802.11 b/g/n Wi-Fi 5G 802.11ac
Bluetooth®	v4.2, backward compatible

Ports	1 x USB Type-C port (external power, data download, OTG firmware update) 1 x UHF antenna port (SMA female)
UHF radio	Internal Rx Only: 410 – 470 MHz Protocol: CHC, Transparent, TT450, Satel Link rate: 9600 bps to 19200 bps Range: Typical 3 km, up to 8 km with optimal conditions
Data formats	RTCM 2.x, RTCM 3.x, CMR input / output HCN, HRC, RINEX 2.11, 3.02 NMEA 0183 output NTRIP Client, NTRIP Caster
Data storage	8 GB internal memory
Power consumption	Typical 2.2 W
Li-ion battery capacity	Built-in non-removable battery 6,800 mAh, 7.4 V
Operating time on internal battery	RTK Rover: up to 24 h UHF RTK Base: up to 10.5 h Static: up to 25 h