GPS Space Vehicle Time Integrity for MJD 52020

As viewed from the Measurement Standards Laboratory, Lower Hutt, New Zealand
Latitude -41.2348000 degrees, longitude 174.9175025 degrees, height 26.2 metres

ABCDEFGHIJK
PRNBlock
no.
StartEndMeasure-
ments
REF
-GPSSV (ns)
REF
-SV (ns)
Std.Dev.
(ns)
Outliers
> 4 s
Outliers
> 500 ns
Health
1
1
00:00
05:32
 19,892
 -3,837
  -177,949
22
27
0
0
2
1
05:17
11:39
 22,913
 -3,839
    -1,002
34
0
0
0
3
3
1
2
01:44
17:30
05:26
20:15
 13,274
  9,902
 -3,840
 -3,847
   -26,064
   -26,253
19
15
0
85
0
0
0
0
4
1
08:24
13:55
 19,800
 -3,840
  -706,875
29
2
0
0
5
1
10:25
15:13
 17,248
 -3,843
  -299,036
30
3
0
0
6
1
12:48
17:59
 18,646
 -3,839
    -3,300
17
528
0
0
7
1
06:22
11:56
 19,963
 -3,837
  -586,500
30
0
0
0
8
1
03:32
09:34
 21,644
 -3,836
  -144,376
280
0
299
0
9
9
1
2
08:45
17:30
12:23
20:46
 13,027
 11,737
 -3,834
 -3,823
    37,670
    37,741
35
22
0
146
0
0
0
0
10
1
11:52
17:12
 19,151
 -3,836
    -6,671
22
151
0
0
11
11
1
2
05:33
20:59
09:09
22:00
 12,923
  3,614
 -3,835
 -3,808
    -5,684
    -5,667
17
4
302
12
0
0
0
0
12
-
 
 
 
 
 
 
 
 
 
13
1
01:09
06:21
 18,636
 -3,835
    -2,579
13
30
0
0
14
14
1
2
19:06
20:56
20:43
23:59
  5,865
 10,978
 -3,823
 -3,824
    98,885
    98,903
24
22
0
3
0
0
0
0
15
1
15:17
21:11
 21,229
 -3,844
   -28,186
34
0
0
0
16
-
 
 
 
 
 
 
 
 
 
17
1
14:17
20:43
 23,176
 -3,825
   -20,604
79
0
0
0
18
1
15:58
22:18
 22,785
 -3,834
    25,836
51
0
0
0
19
-
 
 
 
 
 
 
 
 
 
20
1
00:00
03:25
 12,298
 -3,843
    62,295
10
57
0
0
21
1
17:20
22:00
 16,793
 -3,820
    -6,316
21
158
0
0
22
1
00:00
04:22
 15,691
 -3,855
  -584,968
40
1
0
0
23
23
1
2
15:19
18:19
17:30
20:16
  7,827
  7,003
 -3,828
 -3,837
   -15,401
   -15,421
13
5
96
12
0
0
0
0
24
1
09:46
15:22
 20,132
 -3,851
   -48,672
37
0
0
0
25
25
1
2
00:33
20:40
02:19
22:00
  6,378
  4,815
 -3,858
 -3,799
   -16,852
   -16,823
11
26
54
0
0
0
0
0
26
26
1
2
06:37
14:27
08:55
18:39
  8,255
 15,115
 -3,833
 -3,832
  -445,181
  -445,735
52
86
1
1
0
0
0
0
27
1
02:24
08:38
 22,372
 -3,838
   -21,949
20
190
0
0
28
1
00:46
06:22
 20,092
 -3,840
   -14,198
8
161
0
0
29
29
1
2
00:00
20:59
01:14
22:00
  4,451
  3,624
 -3,853
 -3,824
  -526,559
  -527,513
26
17
21
10
1
0
0
0
30
1
11:40
15:37
 14,217
 -3,838
    12,706
21
47
0
0
31
1
02:49
07:24
 16,415
 -3,844
   -44,216
21
116
0
0
32
-
 
 
 
 
 
 
 
 
 
33
-
 
 
 
 
 
 
 
 
 
34
-
 
 
 
 
 
 
 
 
 
35
-
 
 
 
 
 
 
 
 
 
36
-
 
 
 
 
 
 
 
 
 
37
-
 
 
 
 
 
 
 
 
 
38
-
 
 
 
 
 
 
 
 
 
39
-
 
 
 
 
 
 
 
 
 
40
-
 
 
 
 
 
 
 
 
 

A: Space vehicle identification number.
B: The period when the satellite was in view. Each of these measurement blocks is a series of measurements longer than 60 minutes, containing no breaks of more than 60 seconds.
C: Time at the start of the block (UTC).
D: Time at the end of the block (UTC).
E: Number of 1 second pseudorange measurements in the block.
F: Average value of local reference minus GPS satellite time during the block (A constant offset over the course of a day is to be expected).
G: Average value of local reference minus space vehicle time during the block, in nanoseconds.
H: Standard deviation of G during the block, in nanoseconds.
I: Number of measurements more than 4 standard deviations from the average.
J: Number of measurements more than 500 ns from the average.
K: Number of non-zero health flags in the block.