GPS Space Vehicle Time Integrity for MJD 53974

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
06:26
12:01
11:49
13:05
 19,360
  3,875
   -53
   -73
   -73,292
   -73,340
19
10
0
0
0
0
0
0
 
2
2
1
2
00:00
20:02
01:20
23:59
  4,776
 14,221
   -66
   -59
   -28,541
   -28,840
13
22
40
22
0
0
0
0
 
3
-
 
 
 
 
 
 
 
 
 
4
1
18:41
23:39
 17,820
   -61
  -300,778
36
4
0
0
 
5
5
1
2
00:00
20:32
01:28
23:59
  5,260
 12,442
   -66
   -58
  -318,133
  -319,521
30
67
1
0
0
0
0
0
 
6
1
00:00
04:51
 17,468
   -62
  -599,215
7
19
0
0
 
7
1
02:07
06:17
 14,973
   -52
  -532,812
9
45
0
0
 
8
1
14:03
20:01
 21,418
   -61
    77,454
7
187
0
0
 
9
9
1
2
03:50
18:59
04:55
22:40
  3,800
 13,252
   -52
   -67
   -33,648
   -33,751
9
12
46
98
0
0
0
0
 
10
10
1
2
00:00
22:31
02:39
23:59
  9,525
  5,327
   -61
   -41
   -88,780
   -88,811
9
7
60
5
0
0
0
0
 
11
11
11
1
2
3
07:30
15:36
17:32
10:30
16:41
19:38
 10,706
  3,850
  7,571
   -65
   -63
   -72
  -347,172
  -347,221
  -347,246
18
16
15
57
52
57
0
0
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
11:30
16:54
 19,420
   -64
   -89,186
27
0
0
0
 
14
1
04:43
09:43
 18,012
   -51
     6,639
13
3
0
0
 
15
-
 
 
 
 
 
 
 
 
 
16
1
09:43
14:43
 17,981
   -57
   -68,099
24
0
0
0
 
17
1
16:33
21:51
 19,060
   -67
   -97,447
9
177
0
0
 
18
1
01:48
07:06
 19,044
   -54
   247,350
5
69
0
0
 
19
19
19
1
2
3
05:08
06:26
13:09
06:24
07:29
17:29
  4,531
  3,801
 15,554
   -50
   -62
   -60
   -10,848
   -10,871
   -10,959
7
13
22
22
23
4
0
0
0
0
0
0
 
20
1
09:04
13:49
 17,092
   -61
    22,878
12
17
0
0
 
21
1
01:02
07:19
 22,631
   -57
   -49,566
19
18
0
0
 
22
1
03:26
10:03
 23,749
   -55
  -129,038
31
9
0
0
 
23
1
10:04
15:54
 20,967
   -61
  -137,806
12
119
0
0
 
24
1
18:36
22:56
 15,586
   -62
   -31,730
21
24
0
0
 
25
1
07:21
12:19
 17,893
   -60
  -304,708
82
0
0
0
 
26
26
26
1
2
3
00:54
16:53
18:05
05:24
18:04
19:23
 16,182
  4,227
  4,532
   -58
   -63
   -75
   230,945
   231,673
   231,727
61
17
19
1
0
1
1
0
0
0
0
0
 
27
1
12:56
18:58
 21,747
   -65
   -65,016
20
7
0
0
 
28
1
14:57
21:35
 23,864
   -67
   -20,069
6
65
0
0
 
29
-
 
 
 
 
 
 
 
 
 
30
30
1
2
00:00
22:03
02:22
23:59
  8,547
  7,009
   -64
   -56
    -8,168
    -8,249
10
7
25
8
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.