GPS Space Vehicle Time Integrity for MJD 53991

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
1
2
05:18
10:31
10:30
11:57
 18,666
  5,109
   -46
   -53
   -76,487
   -76,521
14
10
16
1
0
0
0
0
 
2
1
18:51
23:55
 18,244
   -41
   -34,592
24
25
0
0
 
3
3
3
1
2
3
02:50
10:54
12:51
05:39
12:50
15:08
 10,068
  6,911
  8,172
   -57
   -47
   -56
   -92,011
   -94,073
   -94,661
229
152
182
1
0
0
1
0
0
0
0
0
 
4
1
17:31
22:29
 17,750
   -46
  -309,580
33
0
0
0
 
5
1
19:24
23:59
 16,511
   -42
  -341,767
62
0
0
0
 
6
6
1
2
00:00
22:16
03:41
23:59
 13,284
  6,152
   -58
   -31
  -596,250
  -595,956
7
10
13
7
0
0
0
0
 
7
1
00:59
05:08
 14,934
   -50
  -527,369
12
12
0
0
 
8
1
13:26
18:51
 19,449
   -52
    79,469
7
199
0
0
 
9
1
17:48
21:31
 13,313
   -51
   -36,034
12
136
0
0
 
10
10
1
2
00:00
21:21
01:50
23:59
  6,534
  9,495
   -55
   -37
   -89,636
   -89,659
8
5
52
20
0
0
0
0
 
11
11
11
1
2
3
06:21
14:27
16:22
09:20
16:21
18:29
 10,723
  6,767
  7,634
   -52
   -42
   -50
  -350,084
  -350,128
  -350,150
16
13
13
52
71
34
0
0
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
13
1
2
10:22
12:27
11:57
15:45
  5,702
 11,878
   -50
   -56
   -94,009
   -94,051
9
17
86
0
0
0
0
0
 
14
1
03:42
08:34
 17,503
   -47
     5,605
11
0
0
0
 
15
-
 
 
 
 
 
 
 
 
 
16
1
08:35
13:35
 17,975
   -47
   -72,841
25
0
0
0
 
17
1
15:25
20:31
 18,356
   -48
   -95,968
8
123
0
0
 
18
1
00:39
05:57
 19,075
   -48
   248,741
8
184
0
0
 
19
19
1
2
05:06
11:58
06:20
16:19
  4,410
 15,597
   -54
   -47
   -15,333
   -15,421
12
21
23
16
0
0
0
0
 
20
1
07:55
12:40
 17,089
   -52
    22,519
12
41
0
0
 
21
1
00:00
06:10
 22,177
   -51
   -52,360
21
11
0
0
 
22
1
02:17
08:54
 23,756
   -52
  -133,769
28
17
0
0
 
23
1
08:54
14:46
 21,039
   -49
  -137,926
10
93
0
0
 
24
1
17:30
21:51
 15,671
   -45
   -35,856
19
6
0
0
 
25
1
06:11
11:21
 18,533
   -48
  -328,155
111
0
0
0
 
26
26
26
1
2
3
00:00
15:44
17:04
04:15
16:55
18:14
 15,354
  4,263
  4,121
   -50
   -52
   -58
   252,127
   252,878
   252,942
56
17
16
1
8
2
1
0
0
0
0
0
 
27
1
12:19
17:48
 19,736
   -49
   -67,685
21
10
0
0
 
28
1
13:48
20:26
 23,857
   -53
   -18,833
5
54
0
0
 
29
-
 
 
 
 
 
 
 
 
 
30
30
1
2
00:00
20:54
01:13
23:59
  4,370
 11,152
   -63
   -37
    -9,923
    -9,998
10
7
45
16
0
0
0
0
 
31
-
 
 
 
 
 
 
 
 
 
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.