GPS receiver A1082-A
1.2 Characteristics
The modules are characterized by the following parameters.
1.2.1 GPS Characteristics
Channels
12, parallel tracking
Correlators
20.000
Frequency
L1 (= 1575 MHz)
Tracking Sensitivity
-157dBm
Horizontal Position Accuracy
Stand alone
(5)
< 2,5m CEP (SA off)
Obscuration recovery
(1)
0.1s
Hot start
(2)
< 1s
Warm
(3)
< 35s
Time To First Fix – TTFF
(theoretical minimum values;
values in real world may differ)
Cold
(4)
< 37s
Table 1: A1082 GPS characteristics
(1) The calibrated clock of the receiver has not stopped, thus it knows precise time (to the µs level).
(2) The receiver has estimates of time/date/position and valid almanac and ephemeris data.
(3) The receiver has estimates of time/date/position and recent almanac.
(4) The receiver has no estimate of time/date/position, and no recent almanac.
(5) CEP 50% 24 hours static
1.2.2 Mechanical Characteristics
A1082-A Mechanical dimen-
sions
Length
Width
Height
13.97mm, 0.55”
11.43mm, 0.45”
2.4mm, 0.095”
A1082-A Weight
1g, < 0.05oz
Table 2: A1082-A dimensions and weight
1.3 Handling Precautions
The GPS receiver module A1082-A is sensitive to electrostatic discharge (ESD).
Please handle with appropriate care.
Page 8 of 27
User’s Manual
V1.0 - 10/07
