Leica SpiderQC v4.4 Quality Report


Program Run: 2016/08/09 00:10:06.24

File Details:


Observation File: agui2210.16o
GPS Navigation File: agui2210.16n
GLONASS Navigation File: agui2210.16g
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:  0.5 m dX  -6.8 m dY  2.3 m dZ 
Diff. Est-Header:  7.1 m (2880 estimates) 

Session Summary:


Time of first obs:  2016/08/08 00:00:00.00 GPS 
Time of last obs:  2016/08/08 23:59:30.00 GPS 
Session length:  23.99 hours 
GPS week:  1909, day 1 
Observation interval:  30.00 seconds 
UTC leap seconds:  17 seconds 

Num SVs with obs:  54 
Num SVs with nav:  55 
Total GPS orbits:  185 
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 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24  
SVs without obs:  G4 R12 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 3 slips, Threshold 45 slips 
Multipath:  Pass  Value 0.29m MP1 / 0.29m 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 101 slips 
Multipath:  Pass  Value 0.28m MP1 / 0.31m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 90.0 % 
Navigation Data:  Pass   

General Quality Indicators:


Tracking   
Num obs > 0°:  44156 
Num possible obs > 0°:  52759 
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°:  25260 
Num obs GLONASS > 0°:  18896 
Num obs Galileo > 0°: 
Num obs All > 0°:  44156 

Epochs with < 5 SV > 15°:  (0.0 %) 
Epochs with all SV > 15°:  2880  (100.0 %) 
Epochs with full data > 15°:  2873  (99.8 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.7  5.1  3.4 
GDOP  3.2  6.2  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 
None   

Receiver Clock 
Clock Slips > 15°: 
Max RX clock offset:  0.000042 ms (at 2016/08/08 20:52:00.00) 
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°:  39035  22261  16774 
% obs > 15°:   100.0 %  100.0 %  100.0 % 
Num possible obs > 15°:  39035  22261  16774 
Num complete obs > 15°:  39028  22261  16767 
% complete obs > 15°:   100.0 %  100.0 %  100.0 % 
Average # SV per Epoch:  13.6   7.7   5.8  
         
Obs L2 : Obs L1:  1.000   1.000   1.000  
Obs L5 : Obs L1: 

Cycle Slips         
Num cycle slips > 15°:  15  12 
% slips per complete obs:  0.038 %  0.013 %  0.072 % 
Num complete obs per slip:  260187   742033   139725  
IOD Slips > 15°: 
Outliers > 15°: 
LLI L1 : Obs L1: 
LLI L2 : Obs L2:  0.0000   0.0001  
LLI L5 : Obs L5: 

Multipath         
MP1 RMS:  0.288 m  0.293 m  0.281 m 
MP2 RMS:  0.301 m  0.292 m  0.314 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 100.0 %
N/A N/A
L2P 100.0 %
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 15.00° 55.18° 852 852 (100.0 %)
0 (0.0 %) 0
G2 15.06° 63.65° 590 590 (100.0 %)
0 (0.0 %) 0
G3 15.09° 78.32° 733 733 (100.0 %)
0 (0.0 %) 0
G5 15.01° 85.02° 713 713 (100.0 %)
0 (0.0 %) 0
G6 15.13° 87.18° 668 668 (100.0 %)
0 (0.0 %) 0
G7 15.00° 53.44° 731 731 (100.0 %)
0 (0.0 %) 0
G8 15.10° 65.91° 809 809 (100.0 %)
0 (0.0 %) 1
G9 15.08° 84.06° 652 652 (100.0 %)
0 (0.0 %) 0
G10 15.00° 42.06° 808 808 (100.0 %)
0 (0.0 %) 0
G11 15.02° 60.60° 827 827 (100.0 %)
0 (0.0 %) 1
G12 15.03° 83.80° 681 681 (100.0 %)
0 (0.0 %) 0
G13 15.02° 54.30° 860 860 (100.0 %)
0 (0.0 %) 0
G14 15.02° 52.20° 731 731 (100.0 %)
0 (0.0 %) 0
G15 15.09° 71.88° 781 781 (100.0 %)
0 (0.0 %) 0
G16 15.08° 78.21° 719 719 (100.0 %)
0 (0.0 %) 0
G17 15.13° 63.15° 568 568 (100.0 %)
0 (0.0 %) 0
G18 15.00° 41.24° 804 804 (100.0 %)
0 (0.0 %) 0
G19 15.02° 54.58° 724 724 (100.0 %)
0 (0.0 %) 0
G20 15.03° 66.54° 595 595 (100.0 %)
0 (0.0 %) 0
G21 15.01° 57.87° 575 575 (100.0 %)
0 (0.0 %) 0
G22 15.10° 89.27° 704 704 (100.0 %)
0 (0.0 %) 1
G23 15.10° 69.76° 614 614 (100.0 %)
0 (0.0 %) 0
G24 15.01° 57.69° 848 848 (100.0 %)
0 (0.0 %) 0
G25 15.10° 65.38° 797 797 (100.0 %)
0 (0.0 %) 0
G26 15.02° 70.14° 783 783 (100.0 %)
0 (0.0 %) 0
G27 15.12° 54.41° 854 854 (100.0 %)
0 (0.0 %) 0
G28 15.04° 36.01° 827 827 (100.0 %)
0 (0.0 %) 0
G29 15.16° 77.50° 617 617 (100.0 %)
0 (0.0 %) 0
G30 15.06° 63.92° 587 587 (100.0 %)
0 (0.0 %) 0
G31 15.13° 84.03° 654 654 (100.0 %)
0 (0.0 %) 0
G32 15.05° 59.26° 555 555 (100.0 %)
0 (0.0 %) 0
R1 15.03° 59.48° 586 586 (100.0 %)
0 (0.0 %) 0
R2 15.04° 85.23° 544 544 (100.0 %)
0 (0.0 %) 0
R3 15.08° 70.34° 754 754 (100.0 %)
0 (0.0 %) 0
R4 15.09° 51.13° 1036 1036 (100.0 %)
0 (0.0 %) 1
R5 15.01° 73.42° 964 964 (100.0 %)
0 (0.0 %) 0
R6 15.06° 80.47° 534 534 (100.0 %)
0 (0.0 %) 0
R7 15.01° 57.70° 617 617 (100.0 %)
0 (0.0 %) 0
R8 15.05° 37.79° 710 710 (100.0 %)
0 (0.0 %) 0
R9 15.10° 49.04° 760 760 (100.0 %)
0 (0.0 %) 0
R10 15.11° 49.12° 752 752 (100.0 %)
0 (0.0 %) 1
R11 15.07° 70.94° 617 617 (100.0 %)
0 (0.0 %) 0
R13 15.04° 57.51° 687 687 (100.0 %)
0 (0.0 %) 0
R14 15.05° 62.84° 928 928 (100.0 %)
0 (0.0 %) 1
R15 15.04° 82.67° 850 850 (100.0 %)
0 (0.0 %) 0
R16 15.09° 70.53° 691 691 (100.0 %)
0 (0.0 %) 3
R17 15.10° 71.15° 615 615 (100.0 %)
0 (0.0 %) 0
R18 15.01° 85.38° 659 659 (100.0 %)
0 (0.0 %) 0
R19 15.04° 60.98° 881 881 (100.0 %)
0 (0.0 %) 0
R20 15.01° 59.47° 860 860 (100.0 %)
0 (0.0 %) 0
R21 15.00° 83.86° 601 601 (100.0 %)
0 (0.0 %) 0
R22 15.01° 71.14° 611 611 (100.0 %)
0 (0.0 %) 0
R23 15.09° 47.84° 761 761 (100.0 %)
0 (0.0 %) 0
R24 15.10° 48.67° 756 756 (100.0 %)
0 (0.0 %) 6

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 1.7 %
0.0 %
0.0 %
G13 2.2 %
0.0 %
0.0 %
G14 1.9 %
0.0 %
0.0 %
G15 2.0 %
0.0 %
0.0 %
G16 1.8 %
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 1.5 %
0.0 %
0.0 %
G31 1.7 %
0.0 %
0.0 %
G32 1.4 %
0.0 %
0.0 %
R1 1.5 %
0.0 %
0.0 %
R2 1.4 %
0.0 %
0.0 %
R3 1.9 %
0.0 %
0.0 %
R4 2.7 %
0.0 %
0.0 %
R5 2.5 %
0.0 %
0.0 %
R6 1.4 %
0.0 %
0.0 %
R7 1.6 %
0.0 %
0.0 %
R8 1.8 %
0.0 %
0.0 %
R9 1.9 %
0.0 %
0.0 %
R10 1.9 %
0.0 %
0.0 %
R11 1.6 %
0.0 %
0.0 %
R13 1.8 %
0.0 %
0.0 %
R14 2.4 %
0.0 %
0.0 %
R15 2.2 %
0.0 %
0.0 %
R16 1.8 %
0.0 %
0.0 %
R17 1.6 %
0.0 %
0.0 %
R18 1.7 %
0.0 %
0.0 %
R19 2.3 %
0.0 %
0.0 %
R20 2.2 %
0.0 %
0.0 %
R21 1.5 %
0.0 %
0.0 %
R22 1.6 %
0.0 %
0.0 %
R23 1.9 %
0.0 %
0.0 %
R24 1.9 %
0.0 %
0.9 %

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 %
0.0 %
R10 0.0 %
0.0 %
R11 0.0 %
0.0 %
R13 0.0 %
0.0 %
R14 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 %
0.8 %

Tracking by satellite elevation > 15°: 
Elevation Cycle Slips GPS Cycle Slips GLONASS Cycle Slips Galileo Observations
85 - 90 0
0
0
0.2 %
80 - 85 0
0
0
1.4 %
75 - 80 0
0
0
1.7 %
70 - 75 0
0
0
2.5 %
65 - 70 0
0
0
3.8 %
60 - 65 0
0
0
4.8 %
55 - 60 0
0
0
6.6 %
50 - 55 0
0
0
8.6 %
45 - 50 1
0
0
9.3 %
40 - 45 0
0
0
8.6 %
35 - 40 0
1
0
9.8 %
30 - 35 0
1
0
10.0 %
25 - 30 0
2
0
9.9 %
20 - 25 2
2
0
9.5 %
15 - 20 0
6
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 8.5
7.0
- - -
G3 8.4
7.2
- - -
G5 8.6
7.6
- - -
G6 8.5
7.5
- - -
G7 8.2
6.4
- - -
G8 8.4
7.0
- - -
G9 8.5
7.3
- - -
G10 8.0
6.6
- - -
G11 8.5
6.5
- - -
G12 8.5
7.4
- - -
G13 8.5
6.4
- - -
G14 7.7
5.7
- - -
G15 8.5
7.4
- - -
G16 8.4
6.7
- - -
G17 8.5
7.2
- - -
G18 7.7
5.2
- - -
G19 8.1
6.8
- - -
G20 8.3
6.8
- - -
G21 8.4
6.5
- - -
G22 8.5
7.1
- - -
G23 8.6
6.6
- - -
G24 8.1
7.3
- - -
G25 8.3
7.0
- - -
G26 8.4
7.1
- - -
G27 8.5
7.4
- - -
G28 7.8
5.3
- - -
G29 8.5
7.6
- - -
G30 8.4
7.1
- - -
G31 8.5
7.4
- - -
G32 8.6
7.2
- - -
R1 7.5
5.4
- - -
R2 8.2
7.6
- - -
R3 7.8
7.3
- - -
R4 7.8
7.4
- - -
R5 6.7
6.3
- - -
R6 7.6
6.3
- - -
R7 7.5
7.3
- - -
R8 7.5
7.0
- - -
R9 7.6
7.6
- - -
R10 7.8
5.9
- - -
R11 8.2
7.5
- - -
R13 5.9
6.4
- - -
R14 6.0
5.5
- - -
R15 7.3
7.3
- - -
R16 6.4
4.4
- - -
R17 7.9
7.5
- - -
R18 7.9
7.4
- - -
R19 7.1
7.2
- - -
R20 6.3
7.4
- - -
R21 7.8
7.4
- - -
R22 8.1
7.6
- - -
R23 7.8
5.4
- - -
R24 6.4
3.7
- - -
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 35.1 ° 0.28 m
0.27 m
- - -
G2 39.4 ° 0.29 m
0.30 m
- - -
G3 46.7 ° 0.22 m
0.31 m
- - -
G5 50.0 ° 0.24 m
0.27 m
- - -
G6 51.2 ° 0.25 m
0.24 m
- - -
G7 34.2 ° 0.31 m
0.34 m
- - -
G8 40.5 ° 0.28 m
0.28 m
- - -
G9 49.6 ° 0.25 m
0.27 m
- - -
G10 28.5 ° 0.40 m
0.40 m
- - -
G11 37.8 ° 0.35 m
0.28 m
- - -
G12 49.4 ° 0.24 m
0.29 m
- - -
G13 34.7 ° 0.31 m
0.29 m
- - -
G14 33.6 ° 0.37 m
0.36 m
- - -
G15 43.5 ° 0.30 m
0.29 m
- - -
G16 46.6 ° 0.26 m
0.27 m
- - -
G17 39.1 ° 0.33 m
0.30 m
- - -
G18 28.1 ° 0.38 m
0.35 m
- - -
G19 34.8 ° 0.34 m
0.31 m
- - -
G20 40.8 ° 0.28 m
0.31 m
- - -
G21 36.4 ° 0.24 m
0.26 m
- - -
G22 52.2 ° 0.23 m
0.25 m
- - -
G23 42.4 ° 0.28 m
0.28 m
- - -
G24 36.4 ° 0.29 m
0.28 m
- - -
G25 40.2 ° 0.30 m
0.29 m
- - -
G26 42.6 ° 0.29 m
0.28 m
- - -
G27 34.8 ° 0.31 m
0.26 m
- - -
G28 25.5 ° 0.38 m
0.34 m
- - -
G29 46.3 ° 0.29 m
0.25 m
- - -
G30 39.5 ° 0.26 m
0.25 m
- - -
G31 49.6 ° 0.28 m
0.26 m
- - -
G32 37.2 ° 0.25 m
0.30 m
- - -
R1 37.3 ° 0.33 m
0.36 m
- - -
R2 50.1 ° 0.20 m
0.27 m
- - -
R3 42.7 ° 0.26 m
0.29 m
- - -
R4 33.1 ° 0.27 m
0.30 m
- - -
R5 44.2 ° 0.26 m
0.33 m
- - -
R6 47.8 ° 0.25 m
0.32 m
- - -
R7 36.4 ° 0.34 m
0.35 m
- - -
R8 26.4 ° 0.34 m
0.32 m
- - -
R9 32.1 ° 0.30 m
0.32 m
- - -
R10 32.1 ° 0.30 m
0.36 m
- - -
R11 43.0 ° 0.25 m
0.25 m
- - -
R13 36.3 ° 0.28 m
0.32 m
- - -
R14 38.9 ° 0.32 m
0.36 m
- - -
R15 48.9 ° 0.29 m
0.31 m
- - -
R16 42.8 ° 0.25 m
0.28 m
- - -
R17 43.1 ° 0.26 m
0.24 m
- - -
R18 50.2 ° 0.25 m
0.30 m
- - -
R19 38.0 ° 0.32 m
0.35 m
- - -
R20 37.2 ° 0.35 m
0.36 m
- - -
R21 49.4 ° 0.25 m
0.27 m
- - -
R22 43.1 ° 0.22 m
0.27 m
- - -
R23 31.5 ° 0.28 m
0.33 m
- - -
R24 31.9 ° 0.28 m
0.36 m
- - -
Average GPS: - 0.29 m
0.29 m
- - -
Average GLONASS: - 0.28 m
0.31 m
- - -
Average Galileo: - - - - - -
Average All: - 0.29 m
0.30 m
- - -

Code multipath by satellite elevation > 15°: 
Elevation MP1 MP2 MP5 MP5b MP5a+b
85 - 90 0.17 m
0.20 m
- - -
80 - 85 0.16 m
0.22 m
- - -
75 - 80 0.16 m
0.21 m
- - -
70 - 75 0.17 m
0.21 m
- - -
65 - 70 0.19 m
0.22 m
- - -
60 - 65 0.21 m
0.22 m
- - -
55 - 60 0.23 m
0.24 m
- - -
50 - 55 0.22 m
0.25 m
- - -
45 - 50 0.24 m
0.27 m
- - -
40 - 45 0.25 m
0.28 m
- - -
35 - 40 0.29 m
0.29 m
- - -
30 - 35 0.34 m
0.32 m
- - -
25 - 30 0.35 m
0.35 m
- - -
20 - 25 0.40 m
0.39 m
- - -
15 - 20 0.41 m
0.41 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