Spectra Precision Epoch 50 sistem bază-rover

Descriere

General

• 220 Channels for multi-constellation GNSS support
• Integrated transmit/receive UHF radio
• Compact and lightweight design
• RTK, Postprocessed, Kinematic, and Static
• Network RTK positioning
• Integrated wireless Bluetooth® 2.0 technology

Static GnSS surveying

high-accuracy static

Horizontal………………. 3 mm + 0.1 ppm RMS

Vertical ……………….. 3.5 mm + 0.4 ppm RMS

Static & fast Static

Horizontal………………. 3 mm + 0.5 ppm RMS

Vertical ………………… 5 mm + 0.5 ppm RMS

Real-Time Kinematic GNSS surveying1

Horizontal ……………….10 mm + 1 ppm RMS

Vertical ………………… 20 mm + 1 ppm RMS

Automatic OTF (on-the-fly) while moving Initialization time Typically <10 seconds

Initialization reliability Typically >99.9%

Start-up <60 seconds from power on to positioning, <30 seconds with recent ephemeris

Code differential GPS positioning1

Horizontal………………. . 0.25 m + 1 ppm RMS

Vertical ………………… . 0.50 m + 1 ppm RMS

SBAS (WAAS/EGNOS/GAGAN/MSAS) differential positioning accuracy Typically <5 m 3DRMS3

physical

Dimensions (W×HxD) … .19.0 cm x 10.7 cm x 20.0 cm

(7.48 in x 4.21 in x 7.87 in) Weight (with battery)  1.34 kg (2.95 lb)

Ports I/O 2 x 7-pin Lemo, RS-232

Bluetooth

Data Link (UHF radio) antenna TNC

Measurements

• Advanced, sixth generation, custom survey GNSS

technology

• High-precision multiple correlator for GNSS

pseudorange measurements

• Unfiltered, unsmoothed pseudorange measurement data for low noise, low multipath error, low time domain correlation and high dynamic response
• Very low noise GNSS carrier phase measurements with

<1 mm precision in a 1 Hz bandwidth

• Proven Spectra Precision low-elevation tracking technology
• Satellite signals tracked simultaneously:

–  GPS: L1/L2/L2C/L5

–  GLONASS: L1/L2 signals

–  SBAS (WAAS/EGNOS/GAGAN/MSAS): L1C/A, L5

–  Galileo4: GIOVE-A and GIOVE-B

Environmental

Operating temperature –40 °C to +55 °C with internal radio transmitting

Storage temperature –40 °C to +75 °C

Dust/Water IP 66

Vibration MIL-STD-81

Shock/Drop MIL-STD-810F Method 51

Electrical

• Power 10 V DC to 20 V DC external power input with over-voltage protection on Port 1 and Port 2 (7-pin)
• Rechargeable, 7.4 V 2400 mAh Li-Ion internal battery
• Average operating times on internal battery: RTK/Static: 4.0 hours

Communications and data storage

• Internal post process data storage 64 MB (9 MB reserved)
• Supports external GSM/GPRS/CDMA modems for po to point RTK and NTRIP operations

• Internal UHF Transceiver. 1 W or 0.5 W transmit power.
• Supports external UHF transmit data link for RTK base station operation.
• 1 Hz, 2 Hz, 5 Hz, 10 Hz, and 20 Hz positioning when configured7.

Correction formats:

• sCMRx, CMR, CMR+, RTCM 2.1, RTCM 2.2, RTCM 2.3, RTCM 3.0, RTCM 3.1
• 25 KHz and 12.5 KHz channel  spacing
• NMEA-0183 output support on COM2 during Network RTK or autonomous  operations