Leica SpiderQC v4.4 Quality Report


Program Run: 2017/08/09 00:07:09.42

File Details:


Observation File: hria2200.17o
GPS Navigation File: hria2200.17n
GLONASS Navigation File: hria2200.17g
Quality Testing:  Pass 

Station Details:


Marker Name/Number:  HRIA  31324M001   
Observer/Agency:       
Receiver #/Type/Vers:  495463  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):  5421588.361  -1300118.396  3088124.968 
Approx Position (plh):  29° 08' 42.80055" N  13° 29' 6.40557" W  319.874m 
Diff. Est-Header:  -0.3 m dX  -6.1 m dY  1.6 m dZ 
Diff. Est-Header:  6.3 m (2880 estimates) 

Session Summary:


Time of first obs:  2017/08/08 00:00:00.00 GPS 
Time of last obs:  2017/08/08 23:59:30.00 GPS 
Session length:  23.99 hours 
GPS week:  1961, day 2 
Observation interval:  30.00 seconds 
UTC leap seconds:  18 seconds 

Num SVs with obs:  54 
Num SVs with nav:  54 
Total GPS orbits:  186 
Total GLONASS orbits:  367 
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 R9 R10 R11 R12 R13 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24  
SVs without obs:  G4 R14 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 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24  
SVs without nav:  G4 R14  
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 3 slips, Threshold 45 slips 
Multipath:  Pass  Value 0.20m MP1 / 0.25m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 95.0 % 
Navigation Data:  Pass   
     
GLONASS Specific Tests 
Cycle Slips:  Pass  Value 12 slips, Threshold 98 slips 
Multipath:  Pass  Value 0.20m MP1 / 0.26m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 94.6 %, Threshold 90.0 % 
Navigation Data:  Pass   

General Quality Indicators:


Tracking   
Num obs > 0°:  43726 
Num possible obs > 0°:  51809 
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°:  25233 
Num obs GLONASS > 0°:  18493 
Num obs Galileo > 0°: 
Num obs All > 0°:  43726 

Epochs with < 5 SV > 15°:  (0.0 %) 
Epochs with all SV > 15°:  2880  (100.0 %) 
Epochs with full data > 15°:  1996  (69.3 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.7  5.2  3.4 
GDOP  3.2  6.3  4.1 

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 
None   

Receiver Clock 
Clock Slips > 15°: 
Max RX clock offset:  0.000041 ms (at 2017/08/08 06:16:30.00) 
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°:  38691  22346  16345 
% obs > 15°:   100.0 %  100.0 %  100.0 % 
Num possible obs > 15°:  38691  22346  16345 
Num complete obs > 15°:  37807  22346  15461 
% complete obs > 15°:   97.7 %  100.0 %  94.6 % 
Average # SV per Epoch:  13.4   7.8   5.7  
         
Obs L2 : Obs L1:  0.977   1.000   0.946  
Obs L5 : Obs L1: 

Cycle Slips         
Num cycle slips > 15°:  15  12 
% slips per complete obs:  0.040 %  0.013 %  0.078 % 
Num complete obs per slip:  252047   744867   128842  
IOD Slips > 15°:  881  881 
Outliers > 15°: 
LLI L1 : Obs L1:  0.0000   0.0001  
LLI L2 : Obs L2:  0.0000   0.0001  
LLI L5 : Obs L5: 

Multipath         
MP1 RMS:  0.202 m  0.201 m  0.204 m 
MP2 RMS:  0.254 m  0.249 m  0.262 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 97.7 %
N/A N/A
L2P 97.7 %
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 15.02° 55.86° 843 843 (100.0 %)
0 (0.0 %) 0
G2 15.02° 59.08° 570 570 (100.0 %)
0 (0.0 %) 0
G3 15.05° 76.17° 746 746 (100.0 %)
0 (0.0 %) 0
G5 15.01° 88.20° 697 697 (100.0 %)
0 (0.0 %) 0
G6 15.07° 84.64° 650 650 (100.0 %)
0 (0.0 %) 0
G7 15.01° 54.80° 705 705 (100.0 %)
0 (0.0 %) 0
G8 15.07° 67.63° 797 797 (100.0 %)
0 (0.0 %) 0
G9 15.01° 87.41° 667 667 (100.0 %)
0 (0.0 %) 0
G10 15.02° 44.23° 799 799 (100.0 %)
0 (0.0 %) 0
G11 15.01° 63.76° 810 810 (100.0 %)
0 (0.0 %) 0
G12 15.09° 84.39° 679 679 (100.0 %)
0 (0.0 %) 0
G13 15.05° 56.78° 848 848 (100.0 %)
0 (0.0 %) 0
G14 15.03° 50.23° 755 755 (100.0 %)
0 (0.0 %) 1
G15 15.04° 76.85° 761 761 (100.0 %)
0 (0.0 %) 1
G16 15.10° 78.75° 717 717 (100.0 %)
0 (0.0 %) 0
G17 15.01° 62.09° 563 563 (100.0 %)
0 (0.0 %) 0
G18 15.04° 36.48° 820 820 (100.0 %)
0 (0.0 %) 0
G19 15.01° 54.24° 735 735 (100.0 %)
0 (0.0 %) 0
G20 15.10° 66.02° 597 597 (100.0 %)
0 (0.0 %) 1
G21 15.12° 62.84° 593 593 (100.0 %)
0 (0.0 %) 0
G22 15.05° 87.30° 713 713 (100.0 %)
0 (0.0 %) 0
G23 15.10° 72.44° 625 625 (100.0 %)
0 (0.0 %) 0
G24 15.04° 57.74° 843 843 (100.0 %)
0 (0.0 %) 0
G25 15.06° 66.68° 788 788 (100.0 %)
0 (0.0 %) 0
G26 15.01° 71.71° 775 775 (100.0 %)
0 (0.0 %) 0
G27 15.13° 56.00° 843 843 (100.0 %)
0 (0.0 %) 0
G28 15.00° 36.44° 830 830 (100.0 %)
0 (0.0 %) 0
G29 15.14° 80.36° 626 626 (100.0 %)
0 (0.0 %) 0
G30 15.01° 69.39° 610 610 (100.0 %)
0 (0.0 %) 0
G31 15.02° 83.31° 654 654 (100.0 %)
0 (0.0 %) 0
G32 15.01° 55.66° 687 687 (100.0 %)
0 (0.0 %) 0
R1 15.01° 70.39° 644 644 (100.0 %)
0 (0.0 %) 0
R2 15.10° 53.21° 1026 1026 (100.0 %)
0 (0.0 %) 0
R3 15.11° 75.53° 946 946 (100.0 %)
0 (0.0 %) 0
R4 15.01° 79.55° 633 633 (100.0 %)
0 (0.0 %) 1
R5 15.05° 55.66° 645 645 (100.0 %)
0 (0.0 %) 0
R6 15.05° 42.09° 707 707 (100.0 %)
0 (0.0 %) 0
R7 15.00° 63.46° 536 536 (100.0 %)
0 (0.0 %) 0
R8 15.07° 86.95° 549 549 (100.0 %)
0 (0.0 %) 0
R9 15.11° 73.04° 613 613 (100.0 %)
0 (0.0 %) 1
R10 15.04° 81.49° 526 526 (100.0 %)
0 (0.0 %) 0
R11 15.05° 56.92° 639 639 (100.0 %)
0 (0.0 %) 0
R12 15.01° 53.04° 873 873 (100.0 %)
0 (0.0 %) 0
R13 15.02° 89.08° 757 757 (100.0 %)
0 (0.0 %) 0
R15 15.06° 50.40° 758 758 (100.0 %)
0 (0.0 %) 0
R16 15.05° 52.92° 734 734 (100.0 %)
0 (0.0 %) 1
R17 15.06° 58.26° 825 825 (100.0 %)
0 (0.0 %) 2
R18 15.02° 60.87° 820 820 (100.0 %)
0 (0.0 %) 0
R19 15.02° 84.34° 694 694 (100.0 %)
0 (0.0 %) 0
R20 15.02° 70.30° 617 617 (100.0 %)
0 (0.0 %) 0
R21 15.05° 48.42° 756 756 (100.0 %)
0 (0.0 %) 0
R22 15.05° 51.75° 738 738 (100.0 %)
0 (0.0 %) 0
R23 15.05° 75.71° 595 595 (100.0 %)
0 (0.0 %) 0
R24 15.03° 82.01° 714 714 (100.0 %)
0 (0.0 %) 7

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 1.8 %
0.0 %
0.0 %
G6 1.7 %
0.0 %
0.0 %
G7 1.8 %
0.0 %
0.0 %
G8 2.1 %
0.0 %
0.0 %
G9 1.7 %
0.0 %
0.0 %
G10 2.1 %
0.0 %
0.0 %
G11 2.1 %
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 2.0 %
0.0 %
0.0 %
G16 1.9 %
0.0 %
0.0 %
G17 1.5 %
0.0 %
0.0 %
G18 2.1 %
0.0 %
0.0 %
G19 1.9 %
0.0 %
0.0 %
G20 1.5 %
0.0 %
0.0 %
G21 1.5 %
0.0 %
0.0 %
G22 1.8 %
0.0 %
0.0 %
G23 1.6 %
0.0 %
0.0 %
G24 2.2 %
0.0 %
0.0 %
G25 2.0 %
0.0 %
0.0 %
G26 2.0 %
0.0 %
0.0 %
G27 2.2 %
0.0 %
0.0 %
G28 2.1 %
0.0 %
0.0 %
G29 1.6 %
0.0 %
0.0 %
G30 1.6 %
0.0 %
0.0 %
G31 1.7 %
0.0 %
0.0 %
G32 1.8 %
0.0 %
0.0 %
R1 1.7 %
0.0 %
0.0 %
R2 2.7 %
0.0 %
0.0 %
R3 2.4 %
0.0 %
0.0 %
R4 1.6 %
0.0 %
0.0 %
R5 1.7 %
0.0 %
0.0 %
R6 1.8 %
0.0 %
0.0 %
R7 1.4 %
0.0 %
0.0 %
R8 1.4 %
0.0 %
0.0 %
R9 1.6 %
0.0 %
0.2 %
R10 1.4 %
0.0 %
0.0 %
R11 1.7 %
0.0 %
0.0 %
R12 2.3 %
0.0 %
100.0 %
R13 2.0 %
0.0 %
0.0 %
R15 2.0 %
0.0 %
0.0 %
R16 1.9 %
0.1 %
0.1 %
R17 2.1 %
0.0 %
0.0 %
R18 2.1 %
0.0 %
0.0 %
R19 1.8 %
0.0 %
0.0 %
R20 1.6 %
0.0 %
0.0 %
R21 2.0 %
0.0 %
0.0 %
R22 1.9 %
0.0 %
0.0 %
R23 1.5 %
0.0 %
0.0 %
R24 1.8 %
0.0 %
1.3 %

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 %
0.0 %
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 %
R9 0.0 %
0.2 %
R10 0.0 %
0.0 %
R11 0.0 %
0.0 %
R12 0.0 %
100.0 %
R13 0.0 %
0.0 %
R15 0.0 %
0.0 %
R16 0.0 %
0.0 %
R17 0.0 %
0.0 %
R18 0.0 %
0.0 %
R19 0.0 %
0.0 %
R20 0.0 %
0.0 %
R21 0.0 %
0.0 %
R22 0.0 %
0.0 %
R23 0.0 %
0.0 %
R24 0.0 %
1.1 %

Tracking by satellite elevation > 15°: 
Elevation Cycle Slips GPS Cycle Slips GLONASS Cycle Slips Galileo Observations
85 - 90 0
0
0
0.4 %
80 - 85 0
0
0
1.3 %
75 - 80 0
0
0
2.1 %
70 - 75 0
0
0
2.9 %
65 - 70 0
0
0
3.8 %
60 - 65 0
0
0
4.9 %
55 - 60 0
0
0
6.8 %
50 - 55 0
0
0
8.7 %
45 - 50 0
0
0
8.7 %
40 - 45 0
0
0
8.3 %
35 - 40 0
0
0
9.5 %
30 - 35 0
0
0
10.0 %
25 - 30 0
2
0
9.7 %
20 - 25 1
3
0
10.3 %
15 - 20 2
7
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 8.5
7.3
- - -
G2 8.4
7.1
- - -
G3 8.6
7.5
- - -
G5 8.8
7.3
- - -
G6 8.5
7.8
- - -
G7 8.5
6.0
- - -
G8 8.6
7.3
- - -
G9 8.6
7.8
- - -
G10 8.1
6.7
- - -
G11 8.5
6.7
- - -
G12 8.8
7.0
- - -
G13 8.6
6.4
- - -
G14 7.7
5.6
- - -
G15 8.8
7.1
- - -
G16 8.4
6.8
- - -
G17 8.7
7.0
- - -
G18 7.8
5.2
- - -
G19 8.0
6.8
- - -
G20 8.3
6.8
- - -
G21 8.4
6.7
- - -
G22 8.5
7.1
- - -
G23 8.6
6.7
- - -
G24 8.5
7.5
- - -
G25 8.6
7.2
- - -
G26 8.5
7.3
- - -
G27 8.6
7.5
- - -
G28 7.8
5.5
- - -
G29 8.8
7.2
- - -
G30 8.6
7.3
- - -
G31 8.8
7.1
- - -
G32 8.3
6.7
- - -
R1 8.0
5.9
- - -
R2 8.1
7.6
- - -
R3 8.1
7.6
- - -
R4 8.1
7.4
- - -
R5 6.3
5.0
- - -
R6 6.0
5.5
- - -
R7 8.1
7.5
- - -
R8 7.7
7.5
- - -
R9 8.1
7.7
- - -
R10 8.3
5.9
- - -
R11 7.9
7.2
- - -
R12 7.4
- - - -
R13 6.9
5.9
- - -
R15 7.5
7.2
- - -
R16 6.6
6.0
- - -
R17 7.9
7.3
- - -
R18 7.7
7.5
- - -
R19 7.4
7.2
- - -
R20 6.6
7.6
- - -
R21 7.9
7.5
- - -
R22 8.0
7.7
- - -
R23 8.3
5.7
- - -
R24 6.7
3.7
- - -
Average GPS: 8.5
6.9
- - -
Average GLONASS: 7.5
6.7
- - -
Average Galileo: - - - - -
Average All: 8.1
6.8
- - -

Code multipath by satellite > 15°: 
SV Av Elev MP1 MP2 MP5 MP5b MP5a+b
G1 35.4 ° 0.18 m
0.24 m
- - -
G2 37.0 ° 0.22 m
0.26 m
- - -
G3 45.6 ° 0.19 m
0.25 m
- - -
G5 51.6 ° 0.17 m
0.20 m
- - -
G6 49.9 ° 0.19 m
0.18 m
- - -
G7 34.9 ° 0.26 m
0.30 m
- - -
G8 41.4 ° 0.18 m
0.21 m
- - -
G9 51.2 ° 0.21 m
0.31 m
- - -
G10 29.6 ° 0.23 m
0.26 m
- - -
G11 39.4 ° 0.18 m
0.25 m
- - -
G12 49.7 ° 0.23 m
0.25 m
- - -
G13 35.9 ° 0.17 m
0.24 m
- - -
G14 32.6 ° 0.22 m
0.27 m
- - -
G15 45.9 ° 0.18 m
0.22 m
- - -
G16 46.9 ° 0.18 m
0.21 m
- - -
G17 38.5 ° 0.16 m
0.19 m
- - -
G18 25.8 ° 0.26 m
0.30 m
- - -
G19 34.6 ° 0.18 m
0.24 m
- - -
G20 40.6 ° 0.17 m
0.24 m
- - -
G21 39.0 ° 0.23 m
0.25 m
- - -
G22 51.2 ° 0.25 m
0.30 m
- - -
G23 43.8 ° 0.20 m
0.26 m
- - -
G24 36.4 ° 0.20 m
0.27 m
- - -
G25 40.9 ° 0.20 m
0.23 m
- - -
G26 43.4 ° 0.18 m
0.24 m
- - -
G27 35.6 ° 0.18 m
0.23 m
- - -
G28 25.7 ° 0.24 m
0.27 m
- - -
G29 47.7 ° 0.21 m
0.31 m
- - -
G30 42.2 ° 0.20 m
0.28 m
- - -
G31 49.2 ° 0.18 m
0.19 m
- - -
G32 35.3 ° 0.22 m
0.26 m
- - -
R1 42.7 ° 0.18 m
0.28 m
- - -
R2 34.2 ° 0.15 m
0.25 m
- - -
R3 45.3 ° 0.18 m
0.22 m
- - -
R4 47.3 ° 0.23 m
0.21 m
- - -
R5 35.4 ° 0.22 m
0.29 m
- - -
R6 28.6 ° 0.23 m
0.33 m
- - -
R7 39.2 ° 0.22 m
0.29 m
- - -
R8 51.0 ° 0.19 m
0.26 m
- - -
R9 44.1 ° 0.20 m
0.24 m
- - -
R10 48.3 ° 0.22 m
0.23 m
- - -
R11 36.0 ° 0.23 m
0.27 m
- - -
R12 - - - - - -
R13 52.1 ° 0.20 m
0.25 m
- - -
R15 32.7 ° 0.21 m
0.26 m
- - -
R16 34.0 ° 0.20 m
0.25 m
- - -
R17 36.7 ° 0.24 m
0.28 m
- - -
R18 37.9 ° 0.20 m
0.26 m
- - -
R19 49.7 ° 0.23 m
0.32 m
- - -
R20 42.7 ° 0.21 m
0.31 m
- - -
R21 31.7 ° 0.19 m
0.27 m
- - -
R22 33.4 ° 0.18 m
0.24 m
- - -
R23 45.4 ° 0.16 m
0.20 m
- - -
R24 48.5 ° 0.23 m
0.24 m
- - -
Average GPS: - 0.20 m
0.25 m
- - -
Average GLONASS: - 0.20 m
0.26 m
- - -
Average Galileo: - - - - - -
Average All: - 0.20 m
0.25 m
- - -

Code multipath by satellite elevation > 15°: 
Elevation MP1 MP2 MP5 MP5b MP5a+b
85 - 90 0.19 m
0.14 m
- - -
80 - 85 0.17 m
0.14 m
- - -
75 - 80 0.13 m
0.14 m
- - -
70 - 75 0.11 m
0.18 m
- - -
65 - 70 0.11 m
0.22 m
- - -
60 - 65 0.12 m
0.19 m
- - -
55 - 60 0.12 m
0.18 m
- - -
50 - 55 0.13 m
0.20 m
- - -
45 - 50 0.14 m
0.21 m
- - -
40 - 45 0.17 m
0.21 m
- - -
35 - 40 0.19 m
0.24 m
- - -
30 - 35 0.22 m
0.27 m
- - -
25 - 30 0.27 m
0.32 m
- - -
20 - 25 0.32 m
0.36 m
- - -
15 - 20 0.35 m
0.39 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