Baseline Summary B1668 (CHO1 to 1500) 
Processed:
Wednesday, May 26, 2004 05:02:51PM
Solution type:
Iono free fixed
Solution acceptability:
Solution acceptable
Ephemeris used:
Precise
Met Data:
Standard
Baseline slope distance:
24575.115m
Elevation mask:
15 degrees
Variance ratio:
17.5
Reference variance:
1.002
RMS:
0.012m
Horizontal Precision 1-sigma (scaled):
0.001m
Vertical Precision 1-sigma (scaled):
0.003m

Start time (GPS Time):
04/03/22, 20:00:15.000
1263, 158415.000
Stop time (GPS Time):
04/03/22, 23:59:30.000
1263, 172770.000
Occupation time:
03:59:15.000
  
Baseline Components (Mark to Mark) 
From:
CHO1 
 
 
 
 
Grid
 
Local
 
WGS 84
 
Northing
696088.314m 
Latitude
39ø25'57.51840"N 
Latitude
39ø25'57.51840"N 
Easting
2028844.004m 
Longitude
121ø39'53.84475"W 
Longitude
121ø39'53.84475"W 
Elevation
45.199m 
Height
17.012m
Height
17.012m

To:
1500 
 
 
 
 
Grid
 
Local
 
WGS 84
 
Northing
705183.053m 
Latitude
39ø30'54.08517"N 
Latitude
39ø30'54.08516"N
Easting
2006015.391m
Longitude
121ø55'48.16357"W
Longitude
121ø55'48.16357"W
Elevation
29.737m
Height
1.541m
Height
1.541m

Baseline:
 
 
 
 
 
? Northing
9094.739m
NS Fwd Azimuth
291ø56'02"
? X
-16316.313m
? Easting
-22828.613m
Ell. Distance
24575.089m
? Y
16970.810m
? Elevation
-15.462m
? Height
-15.471m
? Z
7050.235m
  
Standard Errors 
Baseline Errors:
 
 
 
 
 
??? Northing
0.001m
? NS Fwd Azimuth
0.004 seconds
??? X
0.001m
??? Easting
0.000m
? Ell.Distance
0.000m
??? Y
0.002m
??? Elevation
0.003m
??? Height
0.003m
??? Z
0.002m
  
Aposteriori Covariance Matrix 
 
X 
Y 
Z 
X 
1.907e-6m2
 
 
Y 
2.882e-6m2
4.877e-6m2
 
Z 
-2.803e-6m2
-4.457e-6m2
4.646e-6m2
  
Occupations 
 
From
To
Point Name:
CHO1
1500
Data file:
CHO10820.rnx
15000820.DAT
Receiver Type:
Z-12
4000SSi
Receiver Serial Number:
20101
14632
Antenna type:
Ashtech Geodetic III USCG w/Radome
Compact L1/L2 w/Ground Plane
Measured To:
Antenna Phase Center
Antenna Phase Center
Antenna height
Measured
0.000m
1.952m
 
APC
0.000m
1.952m
  
  Tracking Summary 



  
  Residuals 













  
  Processing Style - Precise Ephemeris 
Elevation Mask
15 degrees
Ephemeris
Precise
Solution Type
Fixed
  
  Static 
Minimum baseline observation time
120 seconds
Maximum baseline length to attempt a fixed solution :
       Using broadcast ephemeris
200 kilometers
       Using precise ephemeris
2000 kilometers
  
  Kinematic 
Minimum reference observation time
600 seconds
Minimum static initialization observation time
120 seconds
Minimum known point initialization ratio
3.000
Minimum OTF processing time
200 seconds
  
  Global 
Frequency type
L1
Maximum fixable cycle slip (static processing only)
600 seconds
Maximum iterations (static processing only)
10
Maximum integer search time (static processing only)
30 minutes
Antenna Model
NGS
  
  Quality 

Single frequency
Dual frequency

Flag
Fail
Flag
Fail
RMS acceptance criteria
0.030
0.040
0.020
0.030
Ratio acceptance criteria
3.000
1.500
3.000
1.500
Reference variance acceptance criteria
10.000
20.000
5.000
10.000
Edit multiplier
3.500
  
  Tropo 
Model
Hopfield
Minimum zenith delay interval
2 hours
Use observed met data
Enabled
  
  Iono 
Ambiguity resolution pass (static processing only)
Enabled
       Apply to all baselines longer than
10 kilometers
Final pass
Enabled
       Apply to all baselines longer than
5 kilometers
  
  Events 
Interpolation method
Linear
Number of points to fit
2
Maximum allowed missing epochs
0
Time offset
0 microseconds
  
  OTF Search 
Search method
Optimal