GPS Space Vehicle Time Integrity for MJD 51955

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
04:22
09:57
 20,033
-18,805
  -183,816
33
1
0
0
 
2
1
09:57
16:05
 21,996
-18,814
   321,301
25
47
0
0
 
3
3
3
1
2
3
00:00
06:10
21:47
01:01
10:12
23:59
  3,580
 14,398
  7,882
-18,796
-18,800
-18,819
   -22,805
   -22,907
   -23,099
47
35
18
0
19
2
0
0
0
0
0
0
 
4
1
12:50
18:21
 19,873
-18,824
  -696,662
70
0
0
0
 
5
1
14:47
19:37
 17,405
-18,831
  -305,752
35
5
0
0
 
6
1
17:09
22:41
 19,910
-18,843
   -18,683
23
88
0
0
 
7
1
10:45
16:56
 22,230
-18,815
  -571,643
109
0
0
0
 
8
1
08:29
14:02
 19,944
-18,806
  -806,801
59
0
0
0
 
9
9
9
1
2
3
00:00
13:06
21:52
01:31
16:48
23:59
  5,400
 13,268
  7,585
-18,782
-18,821
-18,822
    12,491
    12,540
    12,579
39
25
11
0
46
102
0
0
0
0
0
0
 
10
1
16:14
21:33
 19,035
-18,832
   -83,167
28
57
0
0
 
11
11
1
2
01:13
09:57
04:49
13:30
 12,877
 12,725
-18,797
-18,801
   -19,961
   -19,970
27
15
0
122
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
05:28
10:52
 19,371
-18,804
   -18,558
25
13
0
0
 
14
14
1
2
00:00
22:08
03:36
23:59
 12,817
  6,627
-18,787
-18,821
    70,631
    70,702
31
7
7
36
0
0
0
0
 
15
-
 
 
 
 
 
 
 
 
 
16
-
 
 
 
 
 
 
 
 
 
17
17
1
2
00:00
18:41
01:13
23:59
  4,295
 19,044
-18,806
-18,832
   279,606
   279,690
43
26
0
49
0
0
0
0
 
18
-
 
 
 
 
 
 
 
 
 
19
19
1
2
05:27
07:55
07:11
12:00
  6,239
 14,668
-18,790
-18,804
  -453,042
  -453,220
28
66
36
0
0
0
0
0
 
20
20
1
2
03:06
14:07
07:54
15:09
 17,147
  3,653
-18,800
-18,813
    37,475
    37,507
29
7
0
1
0
0
0
0
 
21
21
1
2
00:00
21:48
04:21
23:59
 15,527
  7,798
-18,794
-18,824
   -19,508
   -19,569
36
13
0
154
0
0
0
0
 
22
1
03:39
08:46
 18,358
-18,804
  -557,908
69
0
0
0
 
23
23
23
1
2
3
00:00
01:15
19:47
01:13
02:17
23:59
  4,296
  3,634
 15,072
-18,788
-18,798
-18,828
   -26,664
   -26,677
   -26,747
43
6
20
0
4
380
0
0
0
0
0
0
 
24
1
14:08
19:58
 20,941
-18,823
   -48,134
42
0
0
0
 
25
25
1
2
01:08
05:00
04:59
06:46
 13,783
  6,327
-18,778
-18,801
   -30,200
   -30,226
27
15
0
135
0
0
0
0
 
26
26
1
2
11:04
18:54
13:21
23:29
  8,199
 16,421
-18,811
-18,829
  -342,301
  -343,115
66
126
1
0
1
0
0
0
 
27
27
1
2
07:12
09:10
08:28
13:01
  4,555
 13,826
-18,787
-18,803
   -30,202
   -30,231
35
22
0
53
0
0
0
0
 
28
1
04:43
10:09
 19,392
-18,799
   -36,088
25
36
0
0
 
29
29
29
1
2
3
00:00
01:13
22:57
01:12
05:22
23:59
  4,269
 14,844
  3,714
-18,773
-18,798
-18,808
  -449,468
  -449,685
  -451,125
52
96
20
0
1
0
0
1
0
0
0
0
 
30
30
1
2
02:01
16:00
04:23
20:21
  8,459
 15,607
-18,790
-18,835
   -10,963
   -10,926
31
26
0
1
0
0
0
0
 
31
31
31
1
2
3
00:00
07:12
10:36
01:12
09:57
11:55
  4,274
  9,872
  4,754
-18,790
-18,804
-18,821
   -49,479
   -49,540
   -49,573
43
33
22
0
0
65
0
0
0
0
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.