ashtech DG16 Reference Manual page 22

The DG16 is designed for stand-alone and differential GPS (DGPS) operation; it
can operate as a base (reference) station or a remote (rover) station, providing or
using real-time differential GPS corrections in RTCM SC-104 format
(Version 2.2).
This chapter describes DG16 hardware and functionality, describes the RF
interface connector and the power/input/output connector, options, firmware
upgrades, and lists power requirements and environmental specifications.
Horizontal CEP
Horizontal (95%)
Vertical (95%)
Re-acquisition
Hot Start
Warm Start
Cold Start
Size
Weight
Humidity
Shock
Vibration
Acceleration
Maximum Speed
Maximum Altitude
2
Table 1.1. DG16 Performance Specifications
Position Accuracy (DGPS)
40 cm
90 cm
1.6 m
Time to First Fix (TTFF)
3 seconds
11 seconds
35 seconds
90 seconds
Physical Specifications
Board: 2.300" x 4.250" (± 0.005); 107.95 mm x 57 mm (± 0.13)
Sensor: 178 mm x 105 mm x 52 mm
Board: 2.8 oz
Sensor: 1 lb, 4 oz
95% Non-condensing
RTCA DO-160C - op/crash safety:
• Operational — ± 40 G's in the X, Y, or Z axis
• Non-operational — ± 75 G's in the X, Y, or Z axis
• MILSPEC 810E
• Category 10: Minimum Integrity Test - General
• Sine Sweep:
• 8.9 G's
• 5 to 200 Hz
• 52 Hours/Axis
20 G
1,000 knots
60,000 ft
DG14 and DG16 Board & Sensor Reference Manual