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Topcon gr-3 base & rover rtk glonass and gps system


Topcon s GR-3 receiver, the next generation of system design and tracking technology, is now available with a completely new digital UHF radio system utilizing DSP technology. This technological advancement delivers far greater reliability and performance than older analog UHF technology of the past and sets new standards for performance, accuracy and innovative design.
GPS receiver design has taken a quantum leap forward with the new GR-3. It starts with 72 universal channels that support all current and planned satellite positioning signals. Then there s the micro-tuned, precision antenna capable of receiving all G3 positioning signals with Topcon s patented center-mount radio antenna for superior signal tracking and interference reduction.
The GR-3 receiver incorporates a unique dual communication system, featuring both cellular and radio technology. Offering a 915 MgHz Spread Spectrum internal Tx/Rx* or Digital UHF radio, the GR-3 can serve roles as either an RTK base or rover system. And by utilizing the optional internal GSM/GPRS/CDMA modem communication system via the easily accessible cellular SIM card slot, a user can extend their range far beyond radio capability or utilize both receivers as rover systems off a fixed base station or a network system.
*915 MgHz Spread Specturm radio technology is not approved for use in Europe or Asia
It is the World s First G3 (GPS, Glonass, Galileo) capable GNSS receiver, and a clear indication of
* Digital UHF or Spread Spectrum radio
* Advanced Rugged System Design
* 72 Universal Tracking Channels
* G3 Satellite Tracking (GPS, Glonass, Galileo)
Rugged magnesium I-beam construction for unbeatable strength & durability, the GR-3 also boasts easily accessible SD card memory and dual hot-swappable batteries for unlimited continuous operation. Internal Bluetooth wireless technology provides GR-3 users with the advantages of a completely cable-free system with any Topcon field controller.
Topcon's GR-3 with its wide array of advanced design features is truly a revolutionary receiver two steps ahead of any other receiver technology available!
2ea. GR-Receivers w/internal radios
RTK 5Hz, L1/L2, Dual Frequency
915 MHz Spread Specrum internal radio was added to this system last month
1ea. FC200 w/TopSurv GPS+512 meg
1ea. Controller Cradle & Bracket
Complete Unit has just been serviced this month with updated Modem Firmware to V1.3p0 and Receiver Firmware to V3.4 added at time of service.
GPS/GLONASS L1/L2/L5 C/A and P Code & Carrier, Gallileo E 1/2/5a and L1, WAAS/EGNOS
3mm +.5ppm horizontal, 5mm + .5ppm vertical
10mm + 1 ppm horizontal, 15mm + 1 ppm vertical
> .25m Post Processing, < .50m Real time
Magnesium I-beam Housing, Waterproof construction
-20 to +35 with batteries, -40 to +75 without batteries degrees Celsius
Dual Li-Ion "Smart" charger with optional Alkaline battery pack. Charger doubles as external power source
Two keys, Power ON/Off and Function Start/stop data logging, switch to extended information mode
6, one for receiver status, data recording indication, TX/Rx, Bluetooth status and 2 for indication of each battery charge level
Environmentally protected, removable SD media card slot
reverse tnc/bnc modem connector



Topcon gr-3 base & rover rtk glonass and gps system Topcon gr-3 base & rover rtk glonass and gps system Topcon gr-3 base & rover rtk glonass and gps system Topcon gr-3 base & rover rtk glonass and gps system Topcon gr-3 base & rover rtk glonass and gps system Topcon gr-3 base & rover rtk glonass and gps system Topcon gr-3 base & rover rtk glonass and gps system