GPS Space Vehicle Time Integrity for MJD 53120

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
00:00
20:16
02:15
23:59
  8,120
 13,363
   -46
   -49
  -340,872
  -341,010
10
10
3
58
0
0
0
0
 
2
-
 
 
 
 
 
 
 
 
 
3
3
3
1
2
3
00:34
15:39
22:29
02:44
17:15
23:59
  7,808
  5,733
  5,421
   -50
   -62
   -36
    -4,822
    -5,026
    -5,083
22
13
8
53
31
2
0
0
0
0
0
0
 
4
1
05:07
10:23
 18,893
   -43
   125,207
52
0
0
0
 
5
1
07:01
11:53
 17,505
   -40
   -27,271
20
0
0
0
 
6
1
09:33
15:02
 19,742
   -52
   -23,118
11
21
0
0
 
7
1
03:22
08:35
 18,747
   -39
  -564,192
59
0
0
0
 
8
1
00:36
06:33
 21,383
   -41
  -302,980
70
0
0
0
 
9
9
1
2
05:32
14:19
09:10
17:10
 13,092
 10,191
   -39
   -47
    41,186
    41,232
4
6
43
44
0
0
0
0
 
10
1
08:57
13:12
 15,235
   -45
   -43,072
15
0
0
0
 
11
11
1
2
02:16
17:53
06:06
21:01
 13,734
 11,280
   -45
   -50
  -112,563
  -112,720
18
11
59
0
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
13
1
2
00:00
22:04
03:24
23:59
 12,184
  6,913
   -51
   -37
    29,350
    29,334
11
6
1
35
0
0
0
0
 
14
1
15:32
20:43
 18,659
   -47
    19,127
7
97
0
0
 
15
1
13:31
19:11
 20,432
   -42
  -257,982
34
0
0
0
 
16
16
1
2
00:00
20:08
01:11
23:59
  4,155
 13,880
   -47
   -41
   -13,029
   -12,983
17
8
8
28
0
0
0
0
 
17
1
07:42
12:54
 18,729
   -44
  -302,227
123
0
0
0
 
18
1
12:46
17:52
 18,391
   -51
    29,468
12
1
0
0
 
19
1
00:00
03:57
 14,255
   -52
    69,865
51
1
1
0
 
20
1
19:26
23:59
 16,383
   -43
   169,026
25
0
0
0
 
21
1
11:20
17:39
 22,726
   -48
   -75,038
13
12
0
0
 
22
1
14:09
20:18
 22,111
   -52
     5,670
37
4
0
0
 
23
-
 
 
 
 
 
 
 
 
 
24
1
06:26
11:26
 18,053
   -45
   -21,990
26
0
0
0
 
25
1
17:39
22:19
 16,762
   -53
   -65,304
11
35
0
0
 
26
26
1
2
03:24
11:13
05:45
15:46
  8,426
 16,364
   -45
   -54
   -43,253
   -43,853
49
94
1
0
0
0
0
0
 
27
1
00:00
05:24
 19,429
   -46
  -136,128
182
1
1
0
 
28
1
01:43
08:19
 23,765
   -43
   -29,255
15
4
0
0
 
29
29
1
2
03:14
11:53
05:31
15:04
  8,190
 11,463
   -45
   -49
  -236,025
  -236,006
7
7
49
74
0
0
0
0
 
30
1
08:34
12:47
 15,130
   -46
  -520,123
47
1
0
0
 
31
31
1
2
00:00
16:13
03:21
17:22
 12,108
  4,160
   -39
   -62
  -120,385
  -121,695
92
34
1
1
1
1
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.