GPS Space Vehicle Time Integrity for MJD 53821

As viewed from the Measurement Standards Laboratory, Lower Hutt, New Zealand
Latitude -41.2347881 degrees, longitude 174.9174902 degrees, height 26.0 metres

ABCDEFGHIJK
PRNBlock
no.		StartEndMeasure-
ments		UTC(MSL)
-GPSSV (ns)		UTC(MSL)
-SV (ns)		Std.Dev.
(ns)		Outliers
> 4 s		Outliers
> 500 ns		Health 
1
1
1
2
16:46
19:50
19:47
23:27
 10,592
 12,694
   -33
 78,753
   -43,782
    34,977
35
8875662
1
1
1
12694
0
0
 
2
1
06:20
12:29
 21,426
   -26
    12,384
37
3
2
0
 
3
3
3
1
2
3
00:00
14:24
22:28
02:53
17:15
23:59
 10,167
  9,988
  5,442
   -25
   -26
   -34
   -85,158
   -85,322
   -85,403
10
8
7
1
1
0
0
0
0
0
0
0
 
4
1
05:20
11:01
 19,880
   -24
  -188,460
70
3
3
0
 
5
5
1
2
07:13
18:15
12:02
19:19
 16,869
  3,843
   -25
   -28
   272,763
   270,341
368
77
1
0
3793
0
0
0
 
6
1
09:45
15:10
 18,830
   -30
  -432,309
151
0
0
0
 
7
1
10:50
15:49
 17,127
   -27
  -520,007
31
1
0
0
 
8
1
00:41
06:38
 20,475
   -28
    60,724
37
2
2
0
 
9
9
1
2
05:34
14:14
09:13
18:02
 12,746
 13,103
   -29
   -41
   -13,590
   -13,652
27
29
3
1
3
1
0
0
 
10
1
08:37
13:56
 18,457
   -33
   -80,867
18
1
1
0
 
11
11
11
1
2
3
02:06
17:50
19:50
06:12
19:47
20:57
 14,290
  6,994
  3,921
   -27
   -37
255,003
  -316,338
  -316,481
   -61,456
8
5
15969877
1
0
1
0
0
3921
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
13
1
2
00:00
21:53
03:21
23:59
 11,855
  7,402
   -32
  -511
   -50,254
   -50,938
11
11343
1
13
0
14
0
0
 
14
14
1
2
15:07
19:50
19:47
21:25
 16,331
  5,593
   -29
178,767
    17,037
   195,824
8
13371422
1
1
1
5593
0
0
 
15
1
12:31
18:34
 20,967
   -31
  -587,058
47
1
1
0
 
16
16
1
2
00:00
20:02
01:04
23:59
  3,872
 14,017
   -28
   324
   -33,326
   -33,138
7
11632
5
13
0
14
0
0
 
17
17
1
2
02:59
06:00
03:59
09:19
  3,598
 11,529
   -35
   -24
   -74,199
   -74,273
7
26
23
3
0
3
0
0
 
18
1
12:09
18:46
 22,990
   -29
   227,838
23
1
1
0
 
19
19
1
2
00:00
15:45
03:59
17:57
 14,136
  7,712
   -28
   -36
    17,506
    17,426
7
24
77
1
0
1
0
0
 
20
1
19:50
23:59
 14,643
 68,716
    98,496
8263909
1
14643
0
 
21
1
11:20
17:40
 22,012
   -30
   -16,780
21
0
0
0
 
22
1
13:49
19:47
 20,872
   -32
   -79,933
22
1
0
0
 
23
23
1
2
00:00
20:17
02:20
23:59
  8,165
 13,106
   -30
   102
  -145,913
  -145,693
3
4245
1
13
0
14
0
0
 
24
24
1
2
04:11
20:47
09:08
21:50
 17,147
  3,750
   -26
   -38
   -95,990
   -96,157
21
5
4
2
2
0
0
0
 







26
1
11:17
15:51
 15,839
   -31
    70,410
44
0
0
0







27
1
00:00
03:59
 14,136
   -32
   -41,653
5
1
0
0







28
28
1
2
01:28
06:00
03:59
08:06
  8,816
  7,388
   -30
   -17
   -30,741
   -30,717
4
39
13
2
0
2
0
0







29
29
1
2
02:51
11:02
05:39
15:22
  9,585
 15,012
   -33
   -29
  -571,008
  -571,309
27
45
1
0
0
0
0
0














31
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33
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34
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35
-
 
 
 
 
 
 
 
 
 







36
-
 
 
 
 
 
 
 
 
 







37
-
 
 
 
 
 
 
 
 
 







38
-
 
 
 
 
 
 
 
 
 







39
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40
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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 UTC(MSL) minus GPS satellite time during the block
   (A constant offset over the course of a day is to be expected).

G: Average value of UTC(MSL) 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.