GPS Space Vehicle Time Integrity for MJD 52979

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
06:10
12:00
 20,986
   119
  -318,432
22
8
0
0
 
2
1
06:32
11:26
 17,490
   134
   234,180
28
0
0
0
 
3
3
1
2
00:16
08:12
02:57
12:23
  9,696
 15,051
   122
   128
   -67,311
   -67,400
17
20
1
73
0
0
0
0
 
4
1
14:46
20:03
 18,981
   130
    20,433
27
0
0
0
 
5
1
16:44
21:34
 17,389
   126
    -8,086
19
0
0
0
 
6
1
19:27
22:00
  9,162
   114
     2,282
6
15
0
0
 
7
1
12:53
17:50
 17,824
   134
  -643,810
7
92
0
0
 
8
1
10:13
16:10
 21,420
   132
  -397,327
12
16
0
0
 
9
9
1
2
00:00
15:01
01:46
18:44
  6,254
 13,410
   131
   126
    19,979
    20,064
7
7
29
18
0
0
0
0
 
10
1
18:08
22:00
 13,904
   131
   -35,474
10
51
0
0
 
11
11
1
2
03:25
12:01
06:43
15:13
 11,858
 11,499
   115
   129
   -81,606
   -81,664
19
17
9
24
0
0
0
0
 
12
-
 
 
 
 
 
 
 
 
 
13
1
07:37
12:57
 19,238
   128
    31,958
9
4
0
0
 
14
1
01:08
06:07
 17,931
   123
    18,616
8
23
0
0
 
15
1
00:18
04:46
 16,070
   127
  -195,055
32
0
0
0
 
16
1
05:39
10:33
 17,641
   125
   -14,024
13
10
0
0
 
17
1
17:39
22:00
 15,655
   131
   -49,909
109
0
0
0
 
18
1
00:00
04:32
 16,306
   114
     -909
6
32
0
0
 
19
-
 
 
 
 
 
 
 
 
 
20
1
05:00
09:48
 17,213
   122
   201,057
19
43
0
0
 
21
21
1
2
00:00
20:49
03:15
22:00
 11,709
  4,275
   115
   132
   -67,597
   -67,666
11
8
1
51
0
0
0
0
 
22
-
 
 
 
 
 
 
 
 
 
23
1
00:18
06:32
 22,384
   127
    86,205
264
0
0
0
 
24
1
16:16
21:20
 18,227
   133
   -80,473
21
0
0
0
 
25
1
03:13
08:18
 18,201
   129
   -56,352
14
17
0
0
 
26
1
13:00
15:22
  8,458
   125
  -484,087
14
29
0
0
 
27
1
08:48
14:58
 22,161
   128
  -836,593
126
0
0
0
 
28
1
11:16
17:53
 23,832
   125
    -7,470
22
7
0
0
 
29
29
1
2
12:12
20:28
15:07
22:00
 10,365
  5,521
   127
   144
  -181,864
  -182,111
37
15
1
0
0
0
0
0
 
30
30
1
2
05:17
18:07
06:27
22:00
  4,111
 13,987
   120
   123
  -673,350
  -674,437
35
92
1
0
1
0
0
0
 
31
31
1
2
01:59
09:24
03:05
14:00
  3,875
 16,522
   118
   135
  -434,671
  -434,631
6
12
11
300
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.