GPS Space Vehicle Time Integrity for MJD 52910

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
10:54
16:44
 20,845
   -21
  -307,160
48
0
0
0
 
2
1
11:01
16:01
 18,005
   -20
   193,775
52
0
0
0
 
3
3
1
2
05:18
12:56
07:40
17:09
  8,463
 15,122
   -32
   -22
   -48,216
   -48,308
46
48
4
2
0
0
0
0
 
4
1
21:52
23:59
  7,257
   -20
   -27,286
50
0
0
0
 
5
-
 
 
 
 
 
 
 
 
 
6
1
00:15
05:18
 18,169
   -21
       91
46
0
0
0
 
7
1
17:35
22:32
 17,541
   -11
  -629,920
58
0
0
0
 
8
1
14:54
16:05
  3,902
   -15
  -421,702
41
0
0
0
 
9
9
9
1
2
3
04:37
06:34
21:52
05:43
07:44
23:27
  3,920
  4,091
  5,321
   -24
   -29
   -29
     9,058
     9,066
     9,168
49
40
51
5
2
0
0
0
0
0
0
0
 
10
10
1
2
00:00
22:54
03:52
23:59
 13,934
  3,927
   -18
   -15
   -32,009
   -32,039
45
50
2
0
0
0
0
0
 
11
11
1
2
08:06
16:41
11:25
20:21
 11,938
 13,234
   -16
   -13
   -68,785
   -68,846
46
48
0
0
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
12:10
17:34
 19,387
   -21
    31,361
43
2
0
0
 
14
1
05:41
10:42
 18,054
   -18
    20,361
43
3
0
0
 
15
15
1
2
03:59
05:41
05:18
09:23
  4,714
 13,371
   -22
   -32
  -165,289
  -165,351
46
48
0
0
0
0
0
0
 
16
1
10:20
14:47
 16,021
   -17
   -83,667
50
0
0
0
 
17
1
00:00
05:05
 18,348
   -27
  -200,762
165
0
0
0
 
18
1
03:04
09:18
 22,487
   -23
    -9,212
42
0
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
1
09:38
14:29
 17,434
   -15
   209,333
47
7
0
0
 
21
1
01:30
07:54
 23,014
   -28
   -49,393
59
0
0
0
 
22
-
 
 
 
 
 
 
 
 
 
23
23
23
1
2
3
04:37
05:59
09:19
05:40
09:16
11:00
  3,802
 11,831
  6,052
    -9
   -10
   -24
   -37,037
   -37,048
   -37,071
47
41
47
0
0
0
0
0
0
0
0
0
 
24
24
1
2
00:00
20:51
01:57
23:59
  7,069
 10,951
   -29
   -10
   -63,239
   -63,452
46
52
0
0
0
0
0
0
 
25
1
07:53
12:47
 17,620
   -18
   -52,593
44
1
0
0
 
26
26
1
2
01:42
17:48
04:36
20:04
 10,349
  8,179
   -20
   -18
  -517,111
  -516,918
45
46
0
0
0
0
0
0
 
27
1
13:36
16:05
  8,533
   -15
  -687,934
90
0
0
0
 







29
29
29
1
2
3
01:13
03:17
16:53
03:03
05:21
19:49
  6,556
  7,444
 10,524
   -20
   -27
   -19
  -106,428
  -106,559
  -107,337
51
57
69
0
1
0
0
1
0
0
0
0







30
30
30
1
2
3
00:00
09:29
22:44
03:03
11:04
23:59
 11,001
  5,662
  4,528
   -38
   -13
     2
  -521,779
  -522,694
  -524,077
113
74
65
1
1
0
1
1
0
0
0
0







31
1
14:04
16:05
  6,968
   -10
  -411,472
45
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.