GPS Space Vehicle Time Integrity for MJD 55257

As viewed from the Measurement Standards Laboratory, Lower Hutt, New Zealand
Latitude -41.2347881 degrees, longitude 174.9174902 degrees, height 26.0 metres

ABCDEFGHIJK
PRNBlock
no.		StartEndMeasure-
ments		UTC(MSL)
-GPSSV (ns)		UTC(MSL)
-SV (ns)		Std.Dev.
(ns)		Outliers
> 4 s		Outliers
> 500 ns		Health 







2
1
04:26
10:34
 21,392
    46
  -232,012
26
3
3
0







3
3
1
2
12:22
20:18
14:59
23:30
  8,862
 11,088
    43
    54
  -522,685
  -522,823
12
33
1
2
0
2
0
0







4
1
02:58
08:40
 19,545
    41
   -26,964
51
3
3
0







5
1
08:00
11:45
 12,915
    42
     5,477
11
2
2
0







6
6
1
2
11:51
20:14
15:05
23:30
 11,025
 11,332
    43
    47
  -695,889
  -695,691
27
34
3
2
1
2
0
0







7
7
1
2
00:00
20:42
03:09
23:30
 11,034
  9,642
    38
    46
    -2,151
    -2,110
46
36
5
2
5
2
0
0







8
8
1
2
00:00
22:20
04:22
23:30
 14,993
  4,057
    49
    53
    -3,733
    -3,751
10
4
6
0
1
0
0
0







9
9
1
2
03:07
12:03
06:58
15:39
 13,136
 12,370
    38
    49
  -109,033
  -109,095
14
15
1
2
1
1
0
0







10
10
1
2
05:48
22:28
10:49
23:29
 17,202
  3,547
    50
    50
    36,871
    36,924
17
4
3
8
1
0
0
0







11
11
1
2
00:00
15:52
04:16
18:30
 14,665
  9,252
    42
    42
    48,226
    48,343
15
8
7
1
3
0
0
0







12
1
04:57
09:52
 17,205
    45
   143,833
29
4
3
0







13
13
1
2
00:00
19:38
01:12
23:30
  4,357
 13,470
    39
    46
  -306,226
  -306,206
4
24
0
2
0
2
0
0







14
1
12:55
19:08
 21,828
    46
   -17,532
26
2
1
0







15
15
1
2
01:21
09:09
03:30
13:46
  7,412
 15,985
    34
    44
   302,248
   302,146
27
18
6
0
5
0
0
0







16
16
16
1
2
3
10:29
17:51
19:26
11:36
19:21
22:48
  3,769
  5,275
 11,846
    41
    47
    48
    46,885
    46,997
    47,034
5
8
31
1
0
2
0
0
2
0
0
0







17
17
1
2
01:02
06:00
03:59
07:18
 10,139
  4,453
    30
    39
  -133,710
  -133,746
56
23
5
1
5
1
0
0







18
1
10:03
16:38
 22,713
    46
   -52,394
20
2
1
0







19
19
19
1
2
3
00:00
13:24
21:18
01:54
15:48
23:30
  6,579
  8,339
  7,587
    46
    42
    46
    18,831
    18,944
    19,016
71
10
55
5
3
2
5
1
2
0
0
0







20
20
20
1
2
3
04:17
17:20
19:26
05:30
19:21
22:05
  4,277
  7,142
  9,219
    43
    43
    50
   -60,279
   -60,244
   -60,231
9
6
45
7
3
2
0
0
2
0
0
0







21
1
09:23
15:35
 21,329
    47
    44,063
23
2
1
0







22
1
11:33
18:11
 22,983
    43
  -177,853
6
1
0
0







23
23
1
2
18:19
19:26
19:21
23:30
  3,591
 14,177
    41
    48
  -378,456
  -378,440
4
6
0
2
0
0
0
0







24
1
08:34
15:00
 22,218
    44
  -266,888
28
2
2
0







25
-
 
 
 
 
 
 
 
 
 







26
1
11:23
17:11
 20,026
    46
    23,797
24
2
1
0







27
27
1
2
02:56
11:57
05:50
15:20
  9,962
 11,587
    35
    38
  -130,446
  -130,552
9
21
0
2
0
1
1885
0







28
1
00:00
05:54
 20,479
    39
    21,298
13
6
5
0







29
1
07:24
12:56
 19,005
    47
  -101,930
24
2
2
0







30
30
1
2
06:09
15:53
10:30
18:35
 15,076
  9,470
    49
    41
  -220,872
  -220,989
20
10
4
1
1
0
0
0







31
31
1
2
15:13
19:26
19:21
20:50
 14,473
  5,009
    43
    44
    49,258
    49,241
7
4
25
5
0
0
0
0







32
32
1
2
16:10
19:26
19:21
21:26
 11,080
  6,941
    43
    46
   -83,349
   -83,263
30
18
0
0
0
0
0
0







33
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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 UTC(MSL) minus GPS satellite time during the block
   (A constant offset over the course of a day is to be expected).

G: Average value of UTC(MSL) 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.