5 Specifications
30 Epoch 25 L1/L2 GPS System User Guide
5.1 Physical specifications
5.2 Positioning specifications
Feature Specification
Size (W x H x D) 14.5 cm x 8.1 cm x 14.5 cm (5.7 inch x 3.2 inch x 5.7 inch),
including connectors
Weight
Base 0.93 kg (2.0 lb)
Rover 1.18 kg (2.6 lb), including internal battery, internal radio,
standard UHF antenna
3.55 kg (7.8 lb), including internal battery, range pole,
controller, and bracket
Epoch L1/L2 antenna 0.55 kg (1.20 lb)
Operating times on
internal battery
8 hours (receive)
External power input 0 to 20 V DC, with over-voltage protection on Port 1 and
Port 2.
Operating temperature
a
a
Receiver will operate normally to –20 °C (-4 °F). Internal batteries are rated to –20 °C (-4 °F).
–20 °C through +60 °C (–4 °F to +140 °F)
Storage temperature –40 °C through +75 °C (–40 °F to +167 °F)
Humidity 100% condensing
Casing Watertight, dust-proof, shock- and vibration-resistant
Positioning Mode Horizontal accuracy (RMS) Vertical accuracy (RMS)
RTK (OTF) Synchronized 1 cm + 1 ppm
(× baseline length)
2cm + 1ppm
(× baseline length)
L1 C/A Code
Phase
Synchronized 0.25m + 1ppm RMS 0.50m + 1ppm RMS
Static/
FastStatic
N/A 5 mm + 0.5 ppm
(× baseline length)
5 mm + 1 ppm
(× baseline length)
WAAS N/A Typically <5 m 3 DRMS
a
a
WAAS/EGNOS capable GPS receiver dependant on field software application.
Typically <5 m 3 DRMS
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