Leica SpiderQC v4.4 Quality Report


Program Run: 2016/11/12 00:11:07.53

File Details:


Observation File: anti3160.16o
GPS Navigation File: anti3160.16n
GLONASS Navigation File: anti3160.16g
Quality Testing:  Pass 

Station Details:


Marker Name/Number:  ANTI  ANTI   
Observer/Agency:       
Receiver #/Type/Vers:  495471  LEICA GRX1200+GNSS  8.71/6.112 
Antenna #/Type:  09260119  LEIAX1203+GNSS NONE   
Antenna Offsets (HEN):  0.000  0.000  0.000 
Approx Position (XYZ):  5446736.709  -1359429.334  3017994.742 
Approx Position (plh):  28° 25' 23.89917" N  14° 00' 50.10194" W  316.057m 
Diff. Est-Header:  0.8 m dX  -6.6 m dY  3.0 m dZ 
Diff. Est-Header:  7.3 m (2880 estimates) 

Session Summary:


Time of first obs:  2016/11/11 00:00:00.00 GPS 
Time of last obs:  2016/11/11 23:59:30.00 GPS 
Session length:  23.99 hours 
GPS week:  1922, day 5 
Observation interval:  30.00 seconds 
UTC leap seconds:  17 seconds 

Num SVs with obs:  53 
Num SVs with nav:  55 
Total GPS orbits:  185 
Total GLONASS orbits:  346 
Total Galileo orbits: 
SVs with obs:  G1 G2 G3 G5 G6 G7 G8 G9 G10 G11 G12 G13 G14 G15 G16 G17 G18 G19 G20 G21 G22 G23 G24 G25 G26 G27 G28 G29 G30 G31 G32 R1 R2 R3 R4 R5 R6 R7 R8 R10 R11 R12 R13 R14 R15 R16 R18 R19 R20 R21 R22 R23 R24  
SVs without obs:  G4 R9 R17 E1 E2 E3 E4 E5 E6 E7 E8 E9 E10 E11 E12 E13 E14 E15 E16 E17 E18 E19 E20 E21 E22 E23 E24 E25 E26 E27 E28 E29 E30 E31 E32 E33 E34 E35 E36 E37 E38 E39 E40 E41 E42 E43 E44 E45 E46 E47 E48 E49 E50 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20  
SVs with nav:  G1 G2 G3 G5 G6 G7 G8 G9 G10 G11 G12 G13 G14 G15 G16 G17 G18 G19 G20 G21 G22 G23 G24 G25 G26 G27 G28 G29 G30 G31 G32 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24  
SVs without nav:  G4  
User Disabled SVs:  None 
Meteo epochs: 
Auxiliary epochs: 

Quality Testing:


  Pass/Fail   Details 
General Tests 
Epochs With Data:  Pass  Value 100.0 %, Threshold 99.0 % 
File Format:  Pass   
RX Clock:  Pass   
Other:  Pass   
     
GPS Specific Tests 
Cycle Slips:  Pass  Value 12 slips, Threshold 45 slips 
Multipath:  Pass  Value 0.20m MP1 / 0.21m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 95.0 % 
Navigation Data:  Pass   
     
GLONASS Specific Tests 
Cycle Slips:  Pass  Value 29 slips, Threshold 93 slips 
Multipath:  Pass  Value 0.19m MP1 / 0.24m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 99.5 %, Threshold 90.0 % 
Navigation Data:  Pass   

General Quality Indicators:


Tracking   
Num obs > 0°:  42767 
Num possible obs > 0°:  50930 
Num obs with invalid nav: 
Num obs without nav: 
Num obs to unhealthy SV: 
Num obs with WLF change: 
Num complete loss of lock: 

Num obs GPS > 0°:  25305 
Num obs GLONASS > 0°:  17462 
Num obs Galileo > 0°: 
Num obs All > 0°:  42767 

Epochs with < 5 SV > 15°:  (0.0 %) 
Epochs with all SV > 15°:  2826  (98.1 %) 
Epochs with full data > 15°:  2798  (97.2 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.7  5.5  3.4 
GDOP  3.2  6.6  4.2 

Data Gaps 
Num epochs with data:  2880 
Num epochs without data: 
Data Gaps:  0.00 seconds 

List of Data Gaps (-) 
Duration  Start Time  End Time 
None     

Non-tracked satellites > 15° (^): 
SV  Time (minutes)  Epoch Range  Elevation Range  Azimuth Range 
R12  5.500  663 / 674  15.12° / 17.64°  331.12° / 330.98° 
R12  14.500  1861 / 1890  21.59° / 20.18°  56.64° / 48.95° 
Total:  20.000 (39 observations) 

Receiver Clock 
Clock Slips > 15°: 
Max RX clock offset:  0.000040 ms (at 2016/11/11 05:25:00.00) 
Num of RX clock resets: 
Total clock drift:  +0.000000 ms 
Rate of clock drift:  +0.000 ms/hr 
Av time between resets:  0.000 minute(s) 

Quality Indicators by Satellite System:


  Total  GPS  GLONASS  Galileo 
Tracking 
Num obs > 15°:  37798  22353  15445 
% obs > 15°:   99.9 %  100.0 %  99.7 % 
Num possible obs > 15°:  37852  22353  15499 
Num complete obs > 15°:  37769  22351  15418 
% complete obs > 15°:   99.8 %  100.0 %  99.5 % 
Average # SV per Epoch:  13.1   7.8   5.4  
         
Obs L2 : Obs L1:  0.999   1.000   0.999  
Obs L5 : Obs L1: 

Cycle Slips         
Num cycle slips > 15°:  41  12  29 
% slips per complete obs:  0.109 %  0.054 %  0.188 % 
Num complete obs per slip:  92120   186258   53166  
IOD Slips > 15°:  31  29 
Outliers > 15°: 
LLI L1 : Obs L1:  0.0002   0.0004  
LLI L2 : Obs L2:  0.0003   0.0000   0.0008  
LLI L5 : Obs L5: 

Multipath         
MP1 RMS:  0.194 m  0.197 m  0.189 m 
MP2 RMS:  0.222 m  0.211 m  0.237 m 
MP5 RMS: 

Extended Quality Information:


Tracking by observation type > 15°: 
Type Code Phase SNR Doppler
L1 100.0 %
100.0 %
N/A N/A
L2 N/A 99.9 %
N/A N/A
L2P 99.9 %
N/A N/A N/A

Tracking by satellite > 15°: 
SV Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
G1 15.07° 55.34° 848 848 (100.0 %)
0 (0.0 %) 0
G2 15.05° 62.71° 578 578 (100.0 %)
0 (0.0 %) 1
G3 15.05° 78.31° 733 733 (100.0 %)
0 (0.0 %) 0
G5 15.11° 85.21° 702 702 (100.0 %)
0 (0.0 %) 0
G6 15.02° 83.29° 646 646 (100.0 %)
0 (0.0 %) 1
G7 15.02° 54.02° 715 715 (100.0 %)
0 (0.0 %) 0
G8 15.07° 69.15° 790 790 (100.0 %)
0 (0.0 %) 1
G9 15.08° 87.88° 667 667 (100.0 %)
0 (0.0 %) 0
G10 15.03° 43.74° 809 809 (100.0 %)
0 (0.0 %) 0
G11 15.02° 61.87° 821 821 (100.0 %)
0 (0.0 %) 0
G12 15.09° 82.73° 695 695 (100.0 %)
0 (0.0 %) 0
G13 15.01° 55.34° 847 847 (100.0 %)
0 (0.0 %) 0
G14 15.04° 48.45° 770 770 (100.0 %)
0 (0.0 %) 0
G15 15.09° 73.52° 779 779 (100.0 %)
0 (0.0 %) 0
G16 15.06° 77.86° 722 722 (100.0 %)
0 (0.0 %) 0
G17 15.11° 59.83° 553 553 (100.0 %)
0 (0.0 %) 0
G18 15.01° 38.91° 822 822 (100.0 %)
0 (0.0 %) 0
G19 15.00° 53.94° 735 735 (100.0 %)
0 (0.0 %) 0
G20 15.07° 65.26° 588 588 (100.0 %)
0 (0.0 %) 0
G21 15.12° 59.75° 582 582 (100.0 %)
0 (0.0 %) 7
G22 15.06° 86.99° 715 715 (100.0 %)
0 (0.0 %) 0
G23 15.07° 69.89° 614 614 (100.0 %)
0 (0.0 %) 0
G24 15.09° 57.21° 855 855 (100.0 %)
0 (0.0 %) 0
G25 15.07° 63.99° 813 813 (100.0 %)
0 (0.0 %) 0
G26 15.08° 70.25° 783 783 (100.0 %)
0 (0.0 %) 0
G27 15.00° 55.26° 850 850 (100.0 %)
0 (0.0 %) 0
G28 15.01° 36.04° 822 822 (100.0 %)
0 (0.0 %) 0
G29 15.03° 80.78° 638 638 (100.0 %)
0 (0.0 %) 0
G30 15.07° 67.22° 592 592 (100.0 %)
0 (0.0 %) 0
G31 15.06° 84.15° 656 656 (100.0 %)
0 (0.0 %) 1
G32 15.00° 58.27° 613 613 (100.0 %)
0 (0.0 %) 1
R1 15.07° 85.48° 545 545 (100.0 %)
0 (0.0 %) 0
R2 15.05° 68.75° 633 633 (100.0 %)
0 (0.0 %) 0
R3 15.01° 47.82° 766 766 (100.0 %)
0 (0.0 %) 0
R4 15.09° 52.83° 737 737 (100.0 %)
0 (0.0 %) 0
R5 15.04° 75.24° 605 605 (100.0 %)
0 (0.0 %) 0
R6 15.00° 78.71° 871 871 (100.0 %)
0 (0.0 %) 0
R7 15.01° 56.19° 932 932 (100.0 %)
0 (0.0 %) 0
R8 15.02° 62.05° 666 666 (100.0 %)
0 (0.0 %) 0
R10 15.00° 73.20° 773 773 (100.0 %)
0 (0.0 %) 0
R11 15.03° 82.42° 534 534 (100.0 %)
0 (0.0 %) 1
R12 15.08° 54.79° 526 476 (90.5 %)
0 (0.0 %) 10
R13 15.03° 41.19° 710 710 (100.0 %)
0 (0.0 %) 0
R14 15.02° 64.61° 534 534 (100.0 %)
0 (0.0 %) 0
R15 15.16° 83.91° 532 532 (100.0 %)
0 (0.0 %) 0
R16 15.02° 69.10° 942 942 (100.0 %)
0 (0.0 %) 2
R18 15.01° 59.54° 833 833 (100.0 %)
0 (0.0 %) 0
R19 15.02° 60.27° 931 931 (100.0 %)
0 (0.0 %) 0
R20 15.02° 85.34° 706 702 (99.4 %)
0 (0.0 %) 7
R21 15.09° 70.05° 620 620 (100.0 %)
0 (0.0 %) 6
R22 15.07° 48.06° 759 759 (100.0 %)
0 (0.0 %) 0
R23 15.10° 51.89° 737 737 (100.0 %)
0 (0.0 %) 0
R24 15.01° 72.48° 607 607 (100.0 %)
0 (0.0 %) 3

Missing phase observations by satellite > 15°: 
SV Observations Missing L1 Missing L2
G1 2.2 %
0.0 %
0.0 %
G2 1.5 %
0.0 %
0.0 %
G3 1.9 %
0.0 %
0.0 %
G5 1.9 %
0.0 %
0.0 %
G6 1.7 %
0.0 %
0.0 %
G7 1.9 %
0.0 %
0.0 %
G8 2.1 %
0.0 %
0.0 %
G9 1.8 %
0.0 %
0.0 %
G10 2.1 %
0.0 %
0.0 %
G11 2.2 %
0.0 %
0.0 %
G12 1.8 %
0.0 %
0.0 %
G13 2.2 %
0.0 %
0.0 %
G14 2.0 %
0.0 %
0.0 %
G15 2.1 %
0.0 %
0.0 %
G16 1.9 %
0.0 %
0.0 %
G17 1.5 %
0.0 %
0.0 %
G18 2.2 %
0.0 %
0.0 %
G19 1.9 %
0.0 %
0.0 %
G20 1.6 %
0.0 %
0.0 %
G21 1.5 %
0.0 %
0.3 %
G22 1.9 %
0.0 %
0.0 %
G23 1.6 %
0.0 %
0.0 %
G24 2.3 %
0.0 %
0.0 %
G25 2.2 %
0.0 %
0.0 %
G26 2.1 %
0.0 %
0.0 %
G27 2.2 %
0.0 %
0.0 %
G28 2.2 %
0.0 %
0.0 %
G29 1.7 %
0.0 %
0.0 %
G30 1.6 %
0.0 %
0.0 %
G31 1.7 %
0.0 %
0.0 %
G32 1.6 %
0.0 %
0.0 %
R1 1.4 %
0.0 %
0.0 %
R2 1.7 %
0.0 %
0.0 %
R3 2.0 %
0.0 %
0.0 %
R4 1.9 %
0.0 %
0.0 %
R5 1.6 %
0.0 %
0.0 %
R6 2.3 %
0.0 %
0.0 %
R7 2.5 %
0.0 %
0.0 %
R8 1.8 %
0.0 %
0.0 %
R10 2.0 %
0.0 %
0.0 %
R11 1.4 %
0.0 %
0.0 %
R12 1.3 %
0.0 %
0.0 %
R13 1.9 %
0.0 %
0.0 %
R14 1.4 %
0.0 %
0.0 %
R15 1.4 %
0.0 %
0.0 %
R16 2.5 %
0.0 %
0.0 %
R18 2.2 %
0.0 %
0.0 %
R19 2.5 %
0.0 %
0.0 %
R20 1.9 %
0.3 %
1.1 %
R21 1.6 %
0.3 %
2.7 %
R22 2.0 %
0.0 %
0.0 %
R23 1.9 %
0.0 %
0.0 %
R24 1.6 %
0.0 %
0.3 %

Missing code observations by satellite > 15°: 
SV Missing C1 Missing C2P
G1 0.0 %
0.0 %
G2 0.0 %
0.0 %
G3 0.0 %
0.0 %
G5 0.0 %
0.0 %
G6 0.0 %
0.0 %
G7 0.0 %
0.0 %
G8 0.0 %
0.0 %
G9 0.0 %
0.0 %
G10 0.0 %
0.0 %
G11 0.0 %
0.0 %
G12 0.0 %
0.0 %
G13 0.0 %
0.0 %
G14 0.0 %
0.0 %
G15 0.0 %
0.0 %
G16 0.0 %
0.0 %
G17 0.0 %
0.0 %
G18 0.0 %
0.0 %
G19 0.0 %
0.0 %
G20 0.0 %
0.0 %
G21 0.0 %
0.3 %
G22 0.0 %
0.0 %
G23 0.0 %
0.0 %
G24 0.0 %
0.0 %
G25 0.0 %
0.0 %
G26 0.0 %
0.0 %
G27 0.0 %
0.0 %
G28 0.0 %
0.0 %
G29 0.0 %
0.0 %
G30 0.0 %
0.0 %
G31 0.0 %
0.0 %
G32 0.0 %
0.0 %
R1 0.0 %
0.0 %
R2 0.0 %
0.0 %
R3 0.0 %
0.0 %
R4 0.0 %
0.0 %
R5 0.0 %
0.0 %
R6 0.0 %
0.0 %
R7 0.0 %
0.0 %
R8 0.0 %
0.0 %
R10 0.0 %
0.0 %
R11 0.0 %
0.0 %
R12 0.0 %
0.0 %
R13 0.0 %
0.0 %
R14 0.0 %
0.0 %
R15 0.0 %
0.0 %
R16 0.0 %
0.0 %
R18 0.0 %
0.0 %
R19 0.0 %
0.0 %
R20 0.0 %
0.6 %
R21 0.0 %
1.8 %
R22 0.0 %
0.0 %
R23 0.0 %
0.0 %
R24 0.0 %
0.3 %

Tracking by satellite elevation > 15°: 
Elevation Cycle Slips GPS Cycle Slips GLONASS Cycle Slips Galileo Observations
85 - 90 0
0
0
0.3 %
80 - 85 0
0
0
1.4 %
75 - 80 0
0
0
1.9 %
70 - 75 0
0
0
2.5 %
65 - 70 0
0
0
4.1 %
60 - 65 0
0
0
4.9 %
55 - 60 0
0
0
6.9 %
50 - 55 0
0
0
8.8 %
45 - 50 0
0
0
8.4 %
40 - 45 0
1
0
8.2 %
35 - 40 0
3
0
9.6 %
30 - 35 3
3
0
10.1 %
25 - 30 4
5
0
10.1 %
20 - 25 3
8
0
10.5 %
15 - 20 2
9
0
12.4 %
10 - 15 0
0
0
0.0 %
5 - 10 0
0
0
0.0 %
0 - 5 0
0
0
0.0 %

Signal to Noise Ratio by satellite > 15°: 
SV L1/E1 L2 L5/E5a E5b E5a+b
G1 8.4
7.2
- - -
G2 8.3
7.1
- - -
G3 8.4
7.2
- - -
G5 8.5
7.6
- - -
G6 8.4
7.5
- - -
G7 8.3
6.6
- - -
G8 8.4
7.1
- - -
G9 8.5
7.4
- - -
G10 8.1
6.6
- - -
G11 8.5
6.6
- - -
G12 8.6
7.3
- - -
G13 8.5
6.4
- - -
G14 7.5
5.6
- - -
G15 8.6
7.3
- - -
G16 8.5
6.8
- - -
G17 8.4
7.2
- - -
G18 7.8
5.1
- - -
G19 8.0
6.7
- - -
G20 8.3
6.8
- - -
G21 8.4
6.6
- - -
G22 8.5
7.1
- - -
G23 8.6
6.7
- - -
G24 8.3
7.4
- - -
G25 8.4
7.1
- - -
G26 8.4
7.3
- - -
G27 8.4
7.5
- - -
G28 7.8
5.5
- - -
G29 8.5
7.5
- - -
G30 8.5
7.2
- - -
G31 8.5
7.5
- - -
G32 8.4
7.0
- - -
R1 7.9
5.9
- - -
R2 8.2
7.5
- - -
R3 7.8
7.5
- - -
R4 7.8
7.5
- - -
R5 7.0
6.2
- - -
R6 7.5
5.9
- - -
R7 7.7
7.4
- - -
R8 7.2
7.2
- - -
R10 8.0
6.1
- - -
R11 8.3
7.7
- - -
R12 4.7
5.9
- - -
R13 6.0
6.6
- - -
R14 6.4
5.5
- - -
R15 7.6
6.9
- - -
R16 6.5
6.1
- - -
R18 7.9
7.4
- - -
R19 7.3
7.3
- - -
R20 6.4
7.4
- - -
R21 8.0
7.5
- - -
R22 8.0
7.6
- - -
R23 8.0
5.7
- - -
R24 6.9
3.9
- - -
Average GPS: 8.3
6.9
- - -
Average GLONASS: 7.3
6.7
- - -
Average Galileo: - - - - -
Average All: 7.9
6.8
- - -

Code multipath by satellite > 15°: 
SV Av Elev MP1 MP2 MP5 MP5b MP5a+b
G1 35.2 ° 0.17 m
0.16 m
- - -
G2 38.9 ° 0.18 m
0.16 m
- - -
G3 46.7 ° 0.14 m
0.18 m
- - -
G5 50.2 ° 0.19 m
0.21 m
- - -
G6 49.2 ° 0.20 m
0.17 m
- - -
G7 34.5 ° 0.23 m
0.25 m
- - -
G8 42.1 ° 0.21 m
0.22 m
- - -
G9 51.5 ° 0.17 m
0.23 m
- - -
G10 29.4 ° 0.23 m
0.25 m
- - -
G11 38.4 ° 0.20 m
0.16 m
- - -
G12 48.9 ° 0.15 m
0.26 m
- - -
G13 35.2 ° 0.17 m
0.19 m
- - -
G14 31.7 ° 0.26 m
0.28 m
- - -
G15 44.3 ° 0.22 m
0.21 m
- - -
G16 46.5 ° 0.18 m
0.19 m
- - -
G17 37.5 ° 0.20 m
0.18 m
- - -
G18 27.0 ° 0.26 m
0.28 m
- - -
G19 34.5 ° 0.23 m
0.23 m
- - -
G20 40.2 ° 0.20 m
0.19 m
- - -
G21 37.4 ° 0.16 m
0.24 m
- - -
G22 51.0 ° 0.15 m
0.19 m
- - -
G23 42.5 ° 0.22 m
0.22 m
- - -
G24 36.1 ° 0.19 m
0.19 m
- - -
G25 39.5 ° 0.16 m
0.19 m
- - -
G26 42.7 ° 0.22 m
0.23 m
- - -
G27 35.1 ° 0.17 m
0.19 m
- - -
G28 25.5 ° 0.25 m
0.30 m
- - -
G29 47.9 ° 0.22 m
0.21 m
- - -
G30 41.1 ° 0.17 m
0.22 m
- - -
G31 49.6 ° 0.20 m
0.18 m
- - -
G32 36.6 ° 0.22 m
0.18 m
- - -
R1 50.3 ° 0.21 m
0.25 m
- - -
R2 41.9 ° 0.13 m
0.22 m
- - -
R3 31.4 ° 0.22 m
0.23 m
- - -
R4 34.0 ° 0.20 m
0.24 m
- - -
R5 45.1 ° 0.17 m
0.21 m
- - -
R6 46.9 ° 0.16 m
0.22 m
- - -
R7 35.6 ° 0.21 m
0.22 m
- - -
R8 38.5 ° 0.22 m
0.32 m
- - -
R10 44.1 ° 0.20 m
0.22 m
- - -
R11 48.7 ° 0.13 m
0.19 m
- - -
R12 34.9 ° 0.26 m
0.23 m
- - -
R13 28.1 ° 0.23 m
0.28 m
- - -
R14 39.8 ° 0.17 m
0.26 m
- - -
R15 49.5 ° 0.20 m
0.27 m
- - -
R16 42.1 ° 0.18 m
0.20 m
- - -
R18 37.3 ° 0.17 m
0.25 m
- - -
R19 37.6 ° 0.21 m
0.26 m
- - -
R20 50.2 ° 0.22 m
0.26 m
- - -
R21 42.6 ° 0.13 m
0.20 m
- - -
R22 31.6 ° 0.20 m
0.23 m
- - -
R23 33.5 ° 0.19 m
0.24 m
- - -
R24 43.7 ° 0.17 m
0.21 m
- - -
Average GPS: - 0.20 m
0.21 m
- - -
Average GLONASS: - 0.19 m
0.24 m
- - -
Average Galileo: - - - - - -
Average All: - 0.19 m
0.22 m
- - -

Code multipath by satellite elevation > 15°: 
Elevation MP1 MP2 MP5 MP5b MP5a+b
85 - 90 0.09 m
0.16 m
- - -
80 - 85 0.09 m
0.13 m
- - -
75 - 80 0.09 m
0.12 m
- - -
70 - 75 0.10 m
0.13 m
- - -
65 - 70 0.10 m
0.13 m
- - -
60 - 65 0.10 m
0.13 m
- - -
55 - 60 0.11 m
0.13 m
- - -
50 - 55 0.13 m
0.16 m
- - -
45 - 50 0.17 m
0.17 m
- - -
40 - 45 0.17 m
0.20 m
- - -
35 - 40 0.21 m
0.23 m
- - -
30 - 35 0.23 m
0.26 m
- - -
25 - 30 0.25 m
0.28 m
- - -
20 - 25 0.28 m
0.30 m
- - -
15 - 20 0.31 m
0.34 m
- - -
10 - 15 - - - - -
5 - 10 - - - - -
0 - 5 - - - - -


Observation File Messages:





GPS Navigation File Messages:




GLONASS Navigation File Messages:




General Messages:



Notes:


(*)  Signal strength is mapped between 1 (worst) and 9 (best), 5 is the threshold for good SNR, 0 indicates value is unknown 
(#)  A complete GPS observation contains non-zero L1, L2 code and phase measurements with a SNR of at least 0 
(#)  A complete GLONASS observation contains non-zero L1, L2 code and phase measurements with a SNR of at least 0 
(#)  A complete Galileo observation contains non-zero code and phase measurements with a SNR of at least 0 
(-)  The minimum duration of a data gap to be reported is 5 seconds 
(^)  A satellite has to be above the elevation mask with no observations recorded for at least 120 seconds to be reported 
The elevation mask is set at 15° 
Abbreviations: Av=Average, IOD=Ionospheric delay, Num=Number, Obs=Observations, MP=Multipath, SV=Satellite vehicle, Elev=Elevation, Nav=Navigation data (ephemeris), WLF=Wavelength factor  
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This file was processed using version 4.4.0.1