User's Manual

DRAFT TrimTrac 1.5 Technical Manual v0.3ab 39
Report Density v. Unit/Antenna Placement and DELAY State Timeout, T4
30
40
50
60
70
80
90
100
110
10 100 1,000 10,000 100,000
DELAY State Timeout, T4 (Default = 900 Seconds)
Expected Number of Reports
Under Front Seat
(Typ. 345 Sec GPS Fix)
In Glovebox
(Typ. 190 Sec GPS Fix)
On Dashboard or with external GPS antenna
(Typ. 60 Sec GPS Fix)
As DELAY State Timeout, T4, increases, the
difference in the number of reports based on
unit placement decreases. GPS fix times remain
constant even as T4 increases.
Figure 1, Vehicle Placement versus Expected Number of Reports