GPS Space Vehicle Time Integrity for MJD 51978

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
02:47
08:23
 20,059
-19,763
  -187,689
24
197
0
0
 
2
1
08:23
14:30
 22,014
-19,764
   330,857
35
0
0
0
 
3
3
3
1
2
3
04:36
07:37
20:13
06:57
08:38
22:00
  8,393
  3,655
  6,410
-19,767
-19,783
-19,806
   -30,249
   -30,293
   -30,466
19
27
11
260
1
0
0
0
0
0
0
0
 
4
1
11:15
16:47
 19,897
-19,783
  -710,795
47
0
0
0
 
5
1
13:14
18:04
 17,374
-19,791
  -310,255
29
43
0
0
 
6
1
15:34
21:07
 19,915
-19,811
   -19,558
19
384
0
0
 
7
1
09:24
15:21
 21,447
-19,780
  -594,136
57
0
0
0
 
8
1
06:57
12:27
 19,771
-19,776
  -819,740
42
0
0
0
 
9
9
1
2
11:34
20:27
15:14
23:55
 13,224
 12,482
-19,776
-19,809
    14,950
    14,970
22
18
14
224
0
0
0
0
 
10
1
14:43
20:02
 19,123
-19,801
   -20,518
23
361
0
0
 
11
11
1
2
00:00
08:23
03:15
11:58
 11,679
 12,876
-19,772
-19,773
   -21,199
   -21,204
33
28
0
4
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
03:55
09:18
 19,371
-19,772
   -19,251
23
11
0
0
 
14
14
1
2
00:00
21:07
03:05
23:59
 11,040
 10,318
-19,770
-19,798
    73,860
    74,019
30
19
18
153
0
0
0
0
 
15
-
 
 
 
 
 
 
 
 
 
16
-
 
 
 
 
 
 
 
 
 
17
1
17:08
23:35
 23,240
-19,804
   282,296
18
502
0
0
 
18
18
1
2
00:00
18:29
01:16
22:00
  4,544
 12,649
-19,791
-19,800
    44,644
    43,792
46
51
1
0
1
0
0
0
 
19
19
1
2
03:52
06:19
05:36
10:25
  6,186
 14,728
-19,761
-19,771
  -480,264
  -480,436
22
64
0
0
0
0
0
0
 
20
1
01:30
06:19
 17,248
-19,772
    39,553
15
294
0
0
 
21
21
1
2
00:00
20:13
02:46
22:00
  9,935
  6,382
-19,769
-19,791
   -21,169
   -21,216
31
4
1
14
0
0
0
0
 
22
1
02:06
07:12
 18,307
-19,768
  -577,180
50
0
0
0
 
23
1
18:12
23:35
 19,375
-19,801
   -29,068
24
106
0
0
 
24
1
12:35
18:26
 21,042
-19,787
   -54,521
33
9
0
0
 
25
1
00:00
05:11
 18,530
-19,771
   -31,797
28
0
0
0
 
26
26
1
2
09:30
17:20
11:47
21:54
  8,230
 16,440
-19,777
-19,801
  -389,473
  -390,209
62
111
1
0
1
0
0
0
 
27
1
05:36
11:28
 21,077
-19,779
   -33,488
30
0
0
0
 
28
1
03:16
08:36
 19,100
-19,773
   -35,069
16
342
0
0
 
29
1
00:00
03:53
 13,956
-19,773
  -487,340
82
0
0
0
 
30
30
1
2
00:54
14:28
02:51
18:48
  7,001
 15,555
-19,767
-19,801
    -8,818
    -8,766
23
13
75
167
0
0
0
0
 
31
31
1
2
05:37
09:03
08:23
10:19
  9,974
  4,588
-19,770
-19,782
   -53,831
   -53,859
18
16
246
40
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 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.