GNSS

ASTRA

ASTRA provides seamless navigation and positioning across diverse environments, streamlining workflows and eliminating the need for additional equipment.

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Multi-constellation

With 1408 channels of GNSS tracking, it provides stable and reliable accuracy. All GNSS signals come with the standard, including GPS, BDS, GLONASS, GALILEO, and QZSS.

Built-in Radio Modem

The built-in transceiver radio modem in the compact design of the ASTRA makes it a full-featured and portable GNSS receiver that works as a base or rover station.

Compact Design

The compact design of the ASTRA makes it a small size and lightweight GNSS receiver, which is easy to carry around by users without getting tired.

CAPTURE ACCURATE DATA EVEN IN TOUGH ENVIROMENTS

Quickly and accurately measure points while standing or walking without leveling the pole.
Concentrate on where the pole tip needs to go, which is especially useful during a stakeout.
Quickly start a survey in environments that are hard to reach, such as building corners and slopes.
No need to worry about the pole movement when measuring provided the pole tip is stationary.

COMPATIBLE WITH P9IV

With its ergonomic design, the P9IV offers easy one-handed use and provides extended flexibility during fieldwork. Featuring an MTK 8-core 2.0G processor, Bluetooth 5.0, and a 5.0 inch HD touchscreen, the P9IV provides excellent performance and a smooth experience either in or outside the field.

Tech specs

Specifications

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GNSS Performance

Satellites tracking

GPS: L1CA, L2P(Y), L2C, L5
BDS: B1I, B2I, B3I, B1C, B2a, B2b
GLONASS: L1, L2
GALILEO: E1, E5a, E5b, E6
QZSS: L1, L2, L5, L6
SBAS: WAAS, GAGAN, MSAS, EGNOS, SDCM, BDS
L-Band: B2b PPP (Only for the Asian-Pacific region)

Channels: 1408

Cold start: < 30 seconds

Warm start: < 20 seconds

Hot start: < 5 seconds

RTK signal initialization: < 5 seconds

Initialization reliability: > 99.9%

Update rate: 20 Hz

High precision static: H: 2.5 mm + 0.5 ppm RMS V: 5 mm + 0.5 ppm RMS

Static and Fast Static: H: 3 mm + 0.5 ppm RMS V: 5 mm + 0.5 ppm RMS

RTK: H: 8 mm + 1 ppm RMS V: 15 mm+1 ppm RMS

Standard point positioning: H: 1.5 m RMS V: 2.5 m RMS

Code differential: H: 0.4 m RMS V: 0.8 m RMS

SBAS: H: 0.4 m RMS V: 0.8 m RMS

Correction data: RTCM V3.X, RTCM2, CMR

Data output: GGA, ZDA, GSA, GSV, GST, VTG, RMC, GLL, Binary

Power Supply

Battery: Rechargeable, Built-in Lithium-ion battery x 1, 3.6 V ~ 10000 mAh, supports 20W fast charging
Voltage: Type-C, Type-C PD 12V
Working time: 20 hours
Charging time: Typically 5.5 hours

System

Operation system: Linux
Internal memory: 16 GB
Bluetooth: BT5.0+EDR, BLE
Wi-Fi: 802.11 a/b/g/n/ac
TNC: Connect internal radio with antenna
Type-C port: Charge and data transmission
Web UI: View status, update firmware, set up working mode, download data, etc.
Intelligent voice: Broadcast working mode and status
MEMS: Dynamic tilt survey up to 60°, Tilt survey performance: 10 mm + 0.7 mm/° tilt, Less than 25 mm accuracy in the inclination of 30°

Physical

Dimension: Φ120 mm x H71.5 mm
Weight: 502 g
Operating temperature: -30℃ – +60℃
Storage temperature: -40℃ – +80℃
Water-/Dust proof: IP67
Shock: Withstand topple over from a 2 m survey pole onto hard surfaces; Survive a 1.2 m free drop
Vibration: Vibration resistant
Humidity: Up to 100%
Indicators: Satellites, datalink, battery, Bluetooth
Button: Power button, short press to voice broadcast working mode and status
Certificate: FCC, CE, KC, ANATEL

Internal Radio

Type: TX and RX
Emitting Power: 1 W
Operation Range: 3-5 km typically
Frequency Range: 410-470 MHz
Channel Spacing: 12.5 kHz / 25 kHz
Protocol: Satel, Satel_ADL, PCC-GMSK, PCC-4FSK, HiTarget, TrimTalk, South, TrimMark III, GEOTALK, GEOMARK, PCCFST, PCCFST_ADL, HZSZ