GPS Space Vehicle Time Integrity for MJD 52642

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
05:01
10:55
 21,245
    58
  -265,050
26
15
0
0
 
2
2
1
2
05:35
08:56
08:55
10:31
 11,969
  5,727
    66
    50
    42,174
    42,213
15
10
10
0
0
0
0
0
 
3
3
1
2
00:00
07:20
02:01
11:29
  7,249
 14,769
    49
    63
   -93,840
   -93,920
10
26
33
12
0
0
0
0
 
4
1
14:00
19:38
 20,211
    51
    -7,543
42
3
0
0
 
5
1
15:39
19:40
 14,470
    42
   -48,916
15
31
0
0
 
6
1
18:23
23:31
 18,477
    48
     2,218
6
22
0
0
 
7
1
11:56
17:02
 18,418
    56
  -185,356
192
0
0
0
 
8
1
08:59
15:01
 21,618
    51
  -119,962
161
0
0
0
 
9
9
1
2
00:43
14:18
02:50
17:52
  7,536
 12,818
    40
    55
    24,409
    24,503
10
6
60
76
0
0
0
0
 
10
10
1
2
17:08
20:42
20:41
22:20
 12,781
  5,830
    58
    35
   -17,716
   -17,745
10
7
21
27
0
0
0
0
 
11
11
1
2
02:26
12:38
05:48
14:45
 12,125
  7,567
    53
    48
   -30,683
   -30,731
13
11
5
6
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
06:47
12:05
 19,088
    56
    20,739
7
126
0
0
 
14
1
00:00
05:18
 18,994
    57
    31,745
16
20
0
0
 
15
15
1
2
00:00
21:17
03:10
23:59
 11,412
  9,767
    36
    56
   -55,386
   -55,725
14
11
48
14
0
0
0
0
 
16
-
 
 
 
 
 
 
 
 
 
17
17
1
2
00:00
19:59
02:15
23:59
  8,069
 14,394
    49
    52
   -10,472
   -10,585
9
9
54
109
0
0
0
0
 
18
18
1
2
00:00
21:16
02:33
23:59
  9,102
  9,807
    52
    59
     9,360
     9,157
10
14
14
1
0
0
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
20
1
2
04:04
15:06
08:53
16:16
 17,309
  4,160
    56
    48
   204,259
   204,299
9
8
169
52
0
0
0
0
 
21
-
 
 
 
 
 
 
 
 
 
22
-
 
 
 
 
 
 
 
 
 
23
1
19:58
23:47
 13,678
    58
   -16,738
14
11
0
0
 
24
1
15:51
20:52
 18,058
    53
   -82,929
20
1
0
0
 
25
1
02:16
07:57
 20,422
    51
   -37,305
14
117
0
0
 
26
26
1
2
12:06
19:59
14:24
23:03
  8,240
 10,950
    63
    67
  -371,629
  -372,084
41
59
1
0
0
0
0
0
 
27
1
07:59
14:08
 22,078
    57
  -531,538
147
0
0
0
 
28
1
10:12
15:59
 20,701
    51
    79,077
21
57
0
0
 
29
29
1
2
11:22
22:05
14:11
23:48
 10,102
  6,184
    57
    44
    -9,464
   -10,112
56
35
1
0
1
0
0
0
 
30
30
1
2
03:46
17:09
05:33
19:58
  6,470
 10,187
    52
    55
  -522,364
  -523,012
30
40
15
0
1
0
0
0
 
31
31
1
2
01:01
08:42
02:10
12:51
  4,122
 14,880
    52
    57
  -294,591
  -294,091
21
57
24
4
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.