NavCom StarUtil Rev.E User Manual
Page 23

STARUTIL User Guide Rev. E
7.
SV: The GPS satellite number assigned to that particular channel.
State: The NCT proprietary satellite tracking value assigned to each satellite tracked that
indicates the type of tracking mode the satellite is in.
8.
This value ranges between 0 and 255,
ith
60º)
11.
CA: The L1 signal-to-noise value, which will vary depending on satellite State. Optimal
be
12.
P2: The L2 signal-to-noise value, which will vary depending on satellite State. Optimal
dGPS Age: The age of the current aided navigation correction. This value will change
15.
Status: This is the channel tracking status of each individual channel.
16.
Satellite Failure: Populated with information determining why a particular satellite is having
difficulty being tracked or providing reliable position information.
17.
Last: Shows the MM:DD:YY and HH:MM:SS of the last 0x86 window update.
with 255 being optimal dual frequency performnance. Any value other than 255 is considered
to be less than optimal performance by the receiver.
9.
Elevation: The vertical angle of the satellite off the horizon ranging from 0 degrees to a zen
of 90 degrees.
10.
Azimuth: The horizontal angle of the satellite in reference to North ranging from 0 (3
degrees to 359 degrees.
performance range for L1 C/N0 is 46dB to 52dB, although higher and lower values can
noted.
performance range for L2 C/N0 is 42dB to 48dB, although higher and lower values can be
noted.
13.
IODC: Issue of Data Clock, which indicates the issue number of the data as provided from
the GPS satellite in accordance with ICD-200C.
14.
depending on the correction source, and the correction interval.
3 – 20