Leica SpiderQC v4.4 Quality Report


Program Run: 2017/10/11 00:05:25.19

File Details:


Observation File: agui2830.17o
GPS Navigation File: agui2830.17n
GLONASS Navigation File: agui2830.17g
Quality Testing:  Pass 

Station Details:


Marker Name/Number:  AGUI  31322M001   
Observer/Agency:       
Receiver #/Type/Vers:  495473  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):  5437265.719  -1502353.293  2967249.534 
Approx Position (plh):  27° 54' 13.95044" N  15° 26' 45.00924" W  329.038m 
Diff. Est-Header:  1.0 m dX  -6.6 m dY  3.5 m dZ 
Diff. Est-Header:  7.5 m (2880 estimates) 

Session Summary:


Time of first obs:  2017/10/10 00:00:00.00 GPS 
Time of last obs:  2017/10/10 23:59:30.00 GPS 
Session length:  23.99 hours 
GPS week:  1970, day 2 
Observation interval:  30.00 seconds 
UTC leap seconds:  18 seconds 

Num SVs with obs:  54 
Num SVs with nav:  55 
Total GPS orbits:  182 
Total GLONASS orbits:  369 
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 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 16 slips, Threshold 45 slips 
Multipath:  Pass  Value 0.30m MP1 / 0.30m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 95.0 % 
Navigation Data:  Pass   
     
GLONASS Specific Tests 
Cycle Slips:  Pass  Value 20 slips, Threshold 97 slips 
Multipath:  Pass  Value 0.28m MP1 / 0.33m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 96.2 %, Threshold 90.0 % 
Navigation Data:  Pass   

General Quality Indicators:


Tracking   
Num obs > 0°:  43603 
Num possible obs > 0°:  52392 
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°:  25177 
Num obs GLONASS > 0°:  18426 
Num obs Galileo > 0°: 
Num obs All > 0°:  43603 

Epochs with < 5 SV > 15°:  (0.0 %) 
Epochs with all SV > 15°:  2872  (99.7 %) 
Epochs with full data > 15°:  2258  (78.4 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.7  5.4  3.4 
GDOP  3.3  6.9  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:  0.000040 ms (at 2017/10/10 06:33:00.00) 
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°:  38597  22372  16225 
% obs > 15°:   100.0 %  100.0 %  100.0 % 
Num possible obs > 15°:  38606  22374  16232 
Num complete obs > 15°:  37981  22367  15614 
% complete obs > 15°:   98.4 %  100.0 %  96.2 % 
Average # SV per Epoch:  13.4   7.8   5.6  
         
Obs L2 : Obs L1:  0.984   1.000   0.963  
Obs L5 : Obs L1: 

Cycle Slips         
Num cycle slips > 15°:  36  16  20 
% slips per complete obs:  0.095 %  0.072 %  0.128 % 
Num complete obs per slip:  105503   139794   78070  
IOD Slips > 15°:  614  609 
Outliers > 15°: 
LLI L1 : Obs L1: 
LLI L2 : Obs L2:  0.0002   0.0002   0.0002  
LLI L5 : Obs L5: 

Multipath         
MP1 RMS:  0.288 m  0.296 m  0.277 m 
MP2 RMS:  0.311 m  0.298 m  0.329 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 98.4 %
N/A N/A
L2P 98.4 %
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 15.03° 54.56° 851 851 (100.0 %)
0 (0.0 %) 0
G2 15.02° 62.70° 580 580 (100.0 %)
0 (0.0 %) 0
G3 15.06° 77.69° 735 735 (100.0 %)
0 (0.0 %) 1
G5 15.04° 85.23° 702 702 (100.0 %)
0 (0.0 %) 0
G6 15.06° 86.16° 656 656 (100.0 %)
0 (0.0 %) 0
G7 15.03° 53.27° 719 719 (100.0 %)
0 (0.0 %) 0
G8 15.10° 65.06° 813 813 (100.0 %)
0 (0.0 %) 1
G9 15.07° 86.35° 661 661 (100.0 %)
0 (0.0 %) 0
G10 15.01° 41.98° 817 817 (100.0 %)
0 (0.0 %) 0
G11 15.00° 61.66° 822 822 (100.0 %)
0 (0.0 %) 3
G12 15.12° 85.33° 681 680 (99.9 %)
0 (0.0 %) 5
G13 15.03° 54.58° 860 860 (100.0 %)
0 (0.0 %) 0
G14 15.02° 52.08° 730 730 (100.0 %)
0 (0.0 %) 0
G15 15.05° 73.15° 780 780 (100.0 %)
0 (0.0 %) 0
G16 15.01° 77.36° 725 725 (100.0 %)
0 (0.0 %) 0
G17 15.10° 64.16° 572 572 (100.0 %)
0 (0.0 %) 0
G18 15.05° 38.95° 821 820 (99.9 %)
0 (0.0 %) 1
G19 15.06° 56.25° 712 712 (100.0 %)
0 (0.0 %) 0
G20 15.05° 67.51° 605 605 (100.0 %)
0 (0.0 %) 0
G21 15.06° 59.82° 581 581 (100.0 %)
0 (0.0 %) 0
G22 15.10° 88.03° 708 708 (100.0 %)
0 (0.0 %) 1
G23 15.04° 70.60° 619 619 (100.0 %)
0 (0.0 %) 0
G24 15.01° 56.80° 859 859 (100.0 %)
0 (0.0 %) 0
G25 15.02° 66.57° 798 798 (100.0 %)
0 (0.0 %) 0
G26 15.06° 70.23° 784 784 (100.0 %)
0 (0.0 %) 0
G27 15.10° 53.91° 854 854 (100.0 %)
0 (0.0 %) 0
G28 15.07° 38.27° 819 819 (100.0 %)
0 (0.0 %) 0
G29 15.06° 76.93° 614 614 (100.0 %)
0 (0.0 %) 4
G30 15.13° 66.69° 592 592 (100.0 %)
0 (0.0 %) 0
G31 15.13° 84.32° 657 657 (100.0 %)
0 (0.0 %) 0
G32 15.01° 56.85° 647 647 (100.0 %)
0 (0.0 %) 0
R1 15.11° 50.22° 754 754 (100.0 %)
0 (0.0 %) 0
R2 15.01° 50.57° 753 753 (100.0 %)
0 (0.0 %) 1
R3 15.04° 72.97° 779 779 (100.0 %)
0 (0.0 %) 0
R4 15.02° 81.83° 844 844 (100.0 %)
0 (0.0 %) 0
R5 15.06° 51.15° 870 868 (99.8 %)
0 (0.0 %) 3
R6 15.01° 62.60° 480 480 (100.0 %)
0 (0.0 %) 0
R7 15.17° 85.68° 544 544 (100.0 %)
0 (0.0 %) 0
R8 15.07° 70.66° 623 623 (100.0 %)
0 (0.0 %) 0
R9 15.04° 84.45° 541 538 (99.4 %)
0 (0.0 %) 6
R10 15.02° 59.35° 614 614 (100.0 %)
0 (0.0 %) 1
R11 15.05° 37.64° 710 710 (100.0 %)
0 (0.0 %) 0
R12 15.03° 59.86° 600 600 (100.0 %)
0 (0.0 %) 0
R13 15.04° 86.81° 683 683 (100.0 %)
0 (0.0 %) 0
R15 15.14° 51.69° 1035 1035 (100.0 %)
0 (0.0 %) 0
R16 15.01° 72.53° 634 633 (99.8 %)
0 (0.0 %) 4
R17 15.01° 59.25° 822 822 (100.0 %)
0 (0.0 %) 0
R18 15.01° 82.81° 695 695 (100.0 %)
0 (0.0 %) 0
R19 15.12° 73.39° 600 600 (100.0 %)
0 (0.0 %) 0
R20 15.03° 49.85° 750 750 (100.0 %)
0 (0.0 %) 0
R21 15.03° 48.73° 758 757 (99.9 %)
0 (0.0 %) 1
R22 15.03° 71.37° 612 612 (100.0 %)
0 (0.0 %) 0
R23 15.01° 82.00° 705 705 (100.0 %)
0 (0.0 %) 0
R24 15.01° 59.82° 826 826 (100.0 %)
0 (0.0 %) 4

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 1.9 %
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 %
0.6 %
G13 2.2 %
0.0 %
0.0 %
G14 1.9 %
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 1.8 %
0.0 %
0.0 %
G20 1.6 %
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 2.1 %
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 %
0.2 %
G30 1.5 %
0.0 %
0.0 %
G31 1.7 %
0.0 %
0.0 %
G32 1.7 %
0.0 %
0.0 %
R1 2.0 %
0.0 %
0.0 %
R2 2.0 %
0.0 %
0.0 %
R3 2.0 %
0.0 %
0.0 %
R4 2.2 %
0.0 %
0.0 %
R5 2.2 %
0.1 %
0.1 %
R6 1.2 %
0.0 %
0.0 %
R7 1.4 %
0.0 %
0.0 %
R8 1.6 %
0.0 %
0.0 %
R9 1.4 %
0.2 %
0.4 %
R10 1.6 %
0.0 %
0.0 %
R11 1.8 %
0.0 %
0.0 %
R12 1.6 %
0.0 %
100.0 %
R13 1.8 %
0.0 %
0.0 %
R15 2.7 %
0.0 %
0.0 %
R16 1.6 %
0.2 %
0.2 %
R17 2.1 %
0.0 %
0.0 %
R18 1.8 %
0.0 %
0.0 %
R19 1.6 %
0.0 %
0.0 %
R20 1.9 %
0.0 %
0.0 %
R21 2.0 %
0.0 %
0.0 %
R22 1.6 %
0.0 %
0.0 %
R23 1.8 %
0.0 %
0.0 %
R24 2.1 %
0.0 %
0.8 %

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 %
0.6 %
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 %
0.2 %
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 %
0.1 %
R6 0.0 %
0.0 %
R7 0.0 %
0.0 %
R8 0.0 %
0.0 %
R9 0.0 %
0.0 %
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 %
0.6 %

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
1
0
1.4 %
75 - 80 0
0
0
1.7 %
70 - 75 0
0
0
2.9 %
65 - 70 0
0
0
3.7 %
60 - 65 0
0
0
4.7 %
55 - 60 0
0
0
6.6 %
50 - 55 0
1
0
8.9 %
45 - 50 0
0
0
9.0 %
40 - 45 0
0
0
8.1 %
35 - 40 0
1
0
10.0 %
30 - 35 0
0
0
9.9 %
25 - 30 1
2
0
10.1 %
20 - 25 8
7
0
9.5 %
15 - 20 7
8
0
13.2 %
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
7.1
- - -
G2 8.3
7.0
- - -
G3 8.6
7.3
- - -
G5 8.7
7.1
- - -
G6 8.5
7.6
- - -
G7 8.5
5.9
- - -
G8 8.5
7.2
- - -
G9 8.6
7.6
- - -
G10 8.0
6.4
- - -
G11 8.4
6.4
- - -
G12 8.7
6.9
- - -
G13 8.5
6.2
- - -
G14 7.7
5.6
- - -
G15 8.8
7.0
- - -
G16 8.4
6.6
- - -
G17 8.7
6.9
- - -
G18 7.7
5.0
- - -
G19 8.0
6.7
- - -
G20 8.2
6.6
- - -
G21 8.4
6.6
- - -
G22 8.5
7.0
- - -
G23 8.5
6.5
- - -
G24 8.4
7.3
- - -
G25 8.5
7.1
- - -
G26 8.5
7.3
- - -
G27 8.5
7.4
- - -
G28 7.8
5.3
- - -
G29 8.8
7.0
- - -
G30 8.6
7.2
- - -
G31 8.7
7.1
- - -
G32 8.4
6.8
- - -
R1 7.7
5.6
- - -
R2 7.8
7.3
- - -
R3 7.8
7.5
- - -
R4 7.8
7.3
- - -
R5 6.2
4.6
- - -
R6 6.5
5.7
- - -
R7 7.9
7.6
- - -
R8 7.5
7.4
- - -
R9 7.9
7.7
- - -
R10 7.7
5.5
- - -
R11 7.6
7.1
- - -
R12 7.1
- - - -
R13 6.4
5.7
- - -
R15 7.4
5.2
- - -
R16 6.6
6.1
- - -
R17 7.6
7.3
- - -
R18 7.4
7.5
- - -
R19 7.5
7.4
- - -
R20 6.4
7.4
- - -
R21 7.7
7.3
- - -
R22 8.0
7.6
- - -
R23 7.7
5.4
- - -
R24 6.3
3.7
- - -
Average GPS: 8.4
6.8
- - -
Average GLONASS: 7.3
6.5
- - -
Average Galileo: - - - - -
Average All: 8.0
6.7
- - -

Code multipath by satellite > 15°: 
SV Av Elev MP1 MP2 MP5 MP5b MP5a+b
G1 34.8 ° 0.28 m
0.28 m
- - -
G2 38.9 ° 0.31 m
0.31 m
- - -
G3 46.4 ° 0.22 m
0.28 m
- - -
G5 50.1 ° 0.24 m
0.26 m
- - -
G6 50.6 ° 0.27 m
0.29 m
- - -
G7 34.2 ° 0.32 m
0.33 m
- - -
G8 40.1 ° 0.29 m
0.28 m
- - -
G9 50.7 ° 0.22 m
0.28 m
- - -
G10 28.5 ° 0.41 m
0.41 m
- - -
G11 38.3 ° 0.34 m
0.34 m
- - -
G12 50.2 ° 0.22 m
0.26 m
- - -
G13 34.8 ° 0.32 m
0.30 m
- - -
G14 33.6 ° 0.35 m
0.36 m
- - -
G15 44.1 ° 0.29 m
0.29 m
- - -
G16 46.2 ° 0.27 m
0.30 m
- - -
G17 39.6 ° 0.31 m
0.33 m
- - -
G18 27.0 ° 0.40 m
0.32 m
- - -
G19 35.7 ° 0.33 m
0.32 m
- - -
G20 41.3 ° 0.28 m
0.30 m
- - -
G21 37.4 ° 0.28 m
0.27 m
- - -
G22 51.6 ° 0.24 m
0.24 m
- - -
G23 42.8 ° 0.28 m
0.29 m
- - -
G24 35.9 ° 0.29 m
0.30 m
- - -
G25 40.8 ° 0.26 m
0.31 m
- - -
G26 42.6 ° 0.29 m
0.25 m
- - -
G27 34.5 ° 0.31 m
0.31 m
- - -
G28 26.7 ° 0.38 m
0.40 m
- - -
G29 46.0 ° 0.27 m
0.21 m
- - -
G30 40.9 ° 0.30 m
0.25 m
- - -
G31 49.7 ° 0.27 m
0.25 m
- - -
G32 35.9 ° 0.33 m
0.31 m
- - -
R1 32.7 ° 0.32 m
0.36 m
- - -
R2 32.8 ° 0.30 m
0.36 m
- - -
R3 44.0 ° 0.26 m
0.30 m
- - -
R4 48.4 ° 0.30 m
0.33 m
- - -
R5 33.1 ° 0.33 m
0.31 m
- - -
R6 38.8 ° 0.24 m
0.27 m
- - -
R7 50.4 ° 0.22 m
0.28 m
- - -
R8 42.9 ° 0.28 m
0.37 m
- - -
R9 49.7 ° 0.24 m
0.29 m
- - -
R10 37.2 ° 0.28 m
0.39 m
- - -
R11 26.3 ° 0.34 m
0.39 m
- - -
R12 - - - - - -
R13 50.9 ° 0.24 m
0.31 m
- - -
R15 33.4 ° 0.29 m
0.36 m
- - -
R16 43.8 ° 0.23 m
0.29 m
- - -
R17 37.1 ° 0.35 m
0.35 m
- - -
R18 48.9 ° 0.24 m
0.31 m
- - -
R19 44.3 ° 0.24 m
0.29 m
- - -
R20 32.4 ° 0.31 m
0.31 m
- - -
R21 31.9 ° 0.31 m
0.37 m
- - -
R22 43.2 ° 0.24 m
0.27 m
- - -
R23 48.5 ° 0.27 m
0.36 m
- - -
R24 37.4 ° 0.27 m
0.36 m
- - -
Average GPS: - 0.30 m
0.30 m
- - -
Average GLONASS: - 0.28 m
0.33 m
- - -
Average Galileo: - - - - - -
Average All: - 0.29 m
0.31 m
- - -

Code multipath by satellite elevation > 15°: 
Elevation MP1 MP2 MP5 MP5b MP5a+b
85 - 90 0.14 m
0.26 m
- - -
80 - 85 0.16 m
0.24 m
- - -
75 - 80 0.15 m
0.23 m
- - -
70 - 75 0.17 m
0.25 m
- - -
65 - 70 0.19 m
0.24 m
- - -
60 - 65 0.20 m
0.23 m
- - -
55 - 60 0.22 m
0.25 m
- - -
50 - 55 0.22 m
0.26 m
- - -
45 - 50 0.25 m
0.28 m
- - -
40 - 45 0.26 m
0.29 m
- - -
35 - 40 0.29 m
0.31 m
- - -
30 - 35 0.34 m
0.32 m
- - -
25 - 30 0.34 m
0.38 m
- - -
20 - 25 0.39 m
0.39 m
- - -
15 - 20 0.42 m
0.43 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