GPS Space Vehicle Time Integrity for MJD 52940

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
08:50
14:28
 19,365
    44
  -312,239
8
1
1
0
 
2
1
08:58
14:15
 18,228
    31
   211,407
43
1
1
0
 
3
3
3
1
2
3
02:45
04:01
10:51
03:58
05:37
14:28
  4,372
  5,451
 12,462
     5
     5
    40
   -56,504
   -56,521
   -56,578
5
8
22
0
0
1
0
0
1
0
0
0
 
4
-
 
 
 
 
 
 
 
 
 
5
1
06:34
07:35
  3,383
    22
    -2,615
10
34
0
0
 
6
6
1
2
00:00
02:11
02:10
03:34
  7,494
  4,607
    15
    -1
      925
      911
22
60
1
1
1
1
0
0
 
7
-
 
 
 
 
 
 
 
 
 
8
1
12:51
14:28
  5,547
    36
  -401,280
5
15
0
0
 
9
9
1
2
02:31
04:01
03:58
06:11
  5,174
  7,489
    -2
    12
    13,856
    13,883
47
7
1
13
1
0
0
0
 
10
1
00:00
02:09
  7,489
     4
   -33,415
19
1
1
0
 
11
1
06:03
09:22
 11,332
    18
   -74,245
6
1
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
10:10
14:28
 14,914
    32
    31,769
17
1
1
0
 
14
1
04:01
09:55
 20,332
    25
    19,385
7
27
0
0
 
15
15
1
2
01:38
04:01
03:58
07:23
  7,894
 11,575
    12
    24
  -178,147
  -178,188
39
19
1
0
1
0
0
0
 
16
1
08:16
13:14
 17,145
    33
    -7,437
10
1
1
0
 
17
1
00:00
03:24
 11,478
    12
  -115,889
120
2
2
0
 
18
18
1
2
00:35
04:01
03:58
07:16
 11,623
 11,149
     9
    17
    -6,208
    -6,184
22
5
1
7
1
0
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
1
07:31
12:24
 16,975
    35
   206,269
14
1
1
0
 
21
21
1
2
02:11
04:01
03:58
05:52
  6,057
  6,391
    18
    13
   -60,102
   -60,129
10
12
1
0
1
0
0
0
 
22
-
 
 
 
 
 
 
 
 
 
23
23
1
2
02:38
04:01
03:58
09:03
  4,827
 17,294
     4
    28
   -39,636
   -39,623
7
6
0
0
0
0
0
0
 







25
1
05:52
11:36
 19,732
    28
   -54,254
15
1
1
0







26
26
1
2
00:00
02:11
02:10
03:58
  7,494
  6,057
    13
    11
  -506,008
  -505,965
48
17
1
1
1
1
0
0







27
1
11:30
14:28
 10,374
    34
  -761,862
77
0
0
0














29
1
00:00
03:24
 11,486
     8
  -143,363
64
2
2
0







30
30
1
2
00:00
06:23
01:04
09:09
  3,661
  9,421
    -8
    19
  -593,543
  -594,190
59
67
2
0
2
0
0
0







31
31
1
2
04:21
11:44
05:45
14:28
  4,782
  9,554
     8
    42
  -428,152
  -428,249
10
17
1
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 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.