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CMT ALTO-G12 HandHeld GPS/GIS Survey

Price: Rp.70.600.000

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A proven and reliable GPS unit for GIS applications

• 12-channel L1 frequency

• Strobe Correlator technology

• Full wavelength carrier phase on L1

• Carrier-phase smoothing

• RTCM-104 Ver. 2.2 input

• NMEA 0183 Ver. 2.2 output

• 1 PPS timing signal

The only sub-meter Accuracy ruggedized hand-held GPS/GIS receiver on the market

ALTO-G12 is the only sub-meter integrated handheld GPS/GIS receiver on the market with excellent precision for open sky applications such as highway surveys, hydrographic surveys and farming. The internal 12 channel GPS receiver provides sub-meter accuracy with real-time or post processing differential correction. Signal inaccuracies are removed with RAIM (Receiver Autonomous Integrity Monitor) and built-in strobe correlator technology provides unmatched multipath mitigation for code. This unit has most of the same features as the MC-GPS - it utilizes the same Field 3.8 and PC GPS Software Ver. 05, has two COM ports, and comes standard with a Carrier Phase kit.

CMT ALTO-G12 Standard Packages includes: 12 channel GPS Receiver, Field Software Ver. 3.8, PC-GPS Software Ver. 05, 4 MB Standard memory, Nylon carrying case, 2 ea. Field Replaceable Batteries , 2 ea. Smart Chargers, PC transfer cable.

System Features
- 12-channel L1 frequency
- Strobe Correlator technology
- Full wavelength carrier phase on L1
- Carrier-phase smoothing
- RTCM-104 Ver. 2.2 input
- NMEA 0183 Ver. 2.2 output
- 1 PPS timing signal

Data Collector Features
- Waterproof (submersible)
- Operating temperature: -40°C to 54°C
- 16 line x 25 character backlit display
- 4 MB RAM standard (8 MB optional)
- Fully integrated GPS receiver, antenna and data collector in one hand-held unit
- 55-key alphanumeric keyboard including 5 function keys and separate numeric keypad
- Optional external antenna
- Field-replaceable rechargeable battery
- Up to 8 hrs. operation on rechargeable batteries

CMT Field Software v3.8
- Collect Points, Lines Areas
- Feature/Attribute/Value GIS structure
- Graphic plotting.
- Traversing keyboard data entry to allow you to continue mapping when GPS is obstructed
- Offset function to map hard-to-reach locations.
- Nested point function for tagging points while you are mapping a Line or Area Feature.
- Averaging function to optimize accuracy while recording static points.
- LLA/UTM/SPC plus user-defined coordinates.
- Supports 50 datums plus user-defined datums.
- Provides area calculation in the field
- Interfaces to laser rangefinders, barcode readers and various NMEA devices
- Canyon, Blockage and Clear modes for optimal tracking performance

System Accuracy Specifications

Real-Time Differential (DGPS):
DGPS (RMS)	40 cm
DGPS (2DRMS)	90 cm
DGPS (typical)	60-100 cm

L1 Carrier Phase Post-Processing:
Static (RMS)	2 cm + 2 ppm
Static (typical)	1 cm + 2 ppm

L1 C/A Code Post-Processing:
Static (RMS)	40 cm
Static (2DRMS)	90 cm
Static (typical)	50-90 cm
Time to first fix	45 sec. typical, 20 sec. with current ephemeris
Reacquisition	2 sec.
Sustained acceleration	20G
Velocity (RMS)	.05 m/sec.
Maximum velocity	460 m/sec.
Maximum altitude	18000 m

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Last Updated: Monday, 06 September 2010 05:13