Leica SpiderQC v4.2 Quality Report


Program Run: 2013/11/03 00:00:17.51

File Details:


Observation File: 02na3060.13o
GPS Navigation File: 02na3060.13n
GLONASS Navigation File: 02na3060.13g
Quality Testing:  Fail (See below for details) 

Station Details:


Marker Name/Number:  Tiwi_RDH  02NA   
Observer/Agency:       
Receiver #/Type/Vers:  355552  LEICA GRX1200GGPRO  5.62/3.014 
Antenna #/Type:    LEIAX1202GG NONE   
Antenna Offsets (HEN):  0.000  0.000  0.000 
Approx Position (XYZ):  -4078495.928  4711380.453  -1355916.133 
Approx Position (plh):  12° 21' 21.35483" S  130° 52' 54.20363" E  117.758m 
Diff. Est-Header:  -1.6 m dX  10.0 m dY  -3.0 m dZ 
Diff. Est-Header:  10.6 m (2880 estimates) 

Session Summary:


Time of first obs:  2013/11/02 00:00:00.00 GPS 
Time of last obs:  2013/11/02 23:59:30.00 GPS 
Session length:  23.99 hours 
GPS week:  1764, day 6 
Observation interval:  30.00 seconds 
UTC leap seconds:  16 seconds 

Num SVs with obs:  53 
Num SVs with nav:  54 
Total GPS orbits:  193 
Total GLONASS orbits:  339 
Total Galileo orbits: 
SVs with obs:  G1 G2 G3 G4 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 G31 G32 R1 R2 R3 R4 R5 R6 R7 R8 R9 R11 R12 R13 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24  
SVs without obs:  G30 R10 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 G4 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 R11 R12 R13 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24  
SVs without nav:  R10 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 12 slips, Threshold 48 slips 
Multipath:  Pass  Value 0.17m MP1 / 0.23m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 95.0 % 
Navigation Data:  Pass   
     
GLONASS Specific Tests 
Cycle Slips:  Fail  Value 282 slips, Threshold 90 slips 
Multipath:  Pass  Value 0.19m MP1 / 0.34m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 99.6 %, Threshold 90.0 % 
Navigation Data:  Fail   

General Quality Indicators:


Tracking   
Num obs > 0°:  44395 
Num possible obs > 0°:  53280 
Num obs with invalid nav: 
Num obs without nav:  10 
Num obs to unhealthy SV: 
Num obs with WLF change: 
Num complete loss of lock: 

Num obs GPS > 0°:  27041 
Num obs GLONASS > 0°:  17354 
Num obs Galileo > 0°: 
Num obs All > 0°:  44395 

Epochs with < 5 SV > 15°:  (0.0 %) 
Epochs with all SV > 15°:  2846  (98.8 %) 
Epochs with full data > 15°:  2826  (98.1 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.5  6.8  3.4 
GDOP  3.0  8.4  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 
R21  3.500  718 / 725  42.57° / 42.57°  28.99° / 28.99° 
Total:  3.500 (7 observations) 

Receiver Clock 
Clock Slips > 15°: 
Max RX clock offset:  0.000113 ms (at 2013/11/02 05:00:00.00) 
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°:  38788  23820  14968 
% obs > 15°:   99.9 %  100.0 %  99.7 % 
Num possible obs > 15°:  38834  23820  15014 
Num complete obs > 15°:  38768  23818  14950 
% complete obs > 15°:   99.8 %  100.0 %  99.6 % 
Average # SV per Epoch:  13.5   8.3   5.2  
         
Obs L2 : Obs L1:  0.999   1.000   0.999  
Obs L5 : Obs L1: 

Cycle Slips         
Num cycle slips > 15°:  294  12  282 
% slips per complete obs:  0.758 %  0.050 %  1.886 % 
Num complete obs per slip:  13186   198483   5301  
IOD Slips > 15°: 
Outliers > 15°: 
LLI L1 : Obs L1:  0.0067   0.0000   0.0172  
LLI L2 : Obs L2:  0.0068   0.0001   0.0176  
LLI L5 : Obs L5: 

Multipath         
MP1 RMS:  0.179 m  0.172 m  0.189 m 
MP2 RMS:  0.277 m  0.234 m  0.338 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 15.01° 75.35° 638 638 (100.0 %)
0 (0.0 %) 0
G2 15.01° 66.21° 610 610 (100.0 %)
0 (0.0 %) 0
G3 15.10° 57.14° 601 601 (100.0 %)
0 (0.0 %) 0
G4 15.00° 43.40° 860 860 (100.0 %)
0 (0.0 %) 0
G5 15.00° 33.38° 924 924 (100.0 %)
0 (0.0 %) 0
G6 15.01° 73.93° 628 628 (100.0 %)
0 (0.0 %) 1
G7 15.05° 55.87° 906 906 (100.0 %)
0 (0.0 %) 0
G8 15.00° 43.94° 973 973 (100.0 %)
0 (0.0 %) 0
G9 15.08° 38.77° 1005 1005 (100.0 %)
0 (0.0 %) 0
G10 15.05° 60.24° 599 599 (100.0 %)
0 (0.0 %) 0
G11 15.10° 69.20° 659 659 (100.0 %)
0 (0.0 %) 0
G12 15.03° 60.47° 835 835 (100.0 %)
0 (0.0 %) 0
G13 15.04° 44.85° 989 989 (100.0 %)
0 (0.0 %) 1
G14 15.00° 71.30° 613 613 (100.0 %)
0 (0.0 %) 1
G15 15.04° 45.74° 834 834 (100.0 %)
0 (0.0 %) 0
G16 15.01° 36.64° 890 890 (100.0 %)
0 (0.0 %) 0
G17 15.03° 71.83° 614 614 (100.0 %)
0 (0.0 %) 1
G18 15.13° 88.69° 663 663 (100.0 %)
0 (0.0 %) 0
G19 15.02° 57.22° 580 580 (100.0 %)
0 (0.0 %) 0
G20 15.03° 73.83° 751 751 (100.0 %)
0 (0.0 %) 1
G21 15.08° 50.49° 919 919 (100.0 %)
0 (0.0 %) 0
G22 15.01° 69.98° 753 753 (100.0 %)
0 (0.0 %) 2
G23 15.09° 41.05° 986 986 (100.0 %)
0 (0.0 %) 1
G24 15.02° 81.64° 644 644 (100.0 %)
0 (0.0 %) 1
G25 15.07° 83.64° 669 669 (100.0 %)
0 (0.0 %) 0
G26 15.13° 73.13° 619 619 (100.0 %)
0 (0.0 %) 1
G27 15.00° 71.76° 624 624 (100.0 %)
0 (0.0 %) 1
G28 15.05° 76.69° 666 666 (100.0 %)
0 (0.0 %) 0
G29 15.02° 42.19° 980 980 (100.0 %)
0 (0.0 %) 0
G31 15.04° 46.16° 827 827 (100.0 %)
0 (0.0 %) 0
G32 15.03° 49.28° 961 961 (100.0 %)
0 (0.0 %) 1
R1 15.00° 43.54° 647 647 (100.0 %)
0 (0.0 %) 0
R2 15.09° 69.28° 510 510 (100.0 %)
0 (0.0 %) 2
R3 15.03° 83.46° 551 551 (100.0 %)
0 (0.0 %) 1
R4 15.02° 56.19° 788 788 (100.0 %)
0 (0.0 %) 3
R5 15.06° 54.95° 1152 1152 (100.0 %)
0 (0.0 %) 1
R6 15.03° 82.47° 759 759 (100.0 %)
0 (0.0 %) 0
R7 15.12° 71.15° 515 515 (100.0 %)
0 (0.0 %) 0
R8 15.04° 45.31° 629 629 (100.0 %)
0 (0.0 %) 0
R9 15.05° 71.56° 798 798 (100.0 %)
0 (0.0 %) 0
R11 15.00° 53.39° 607 607 (100.0 %)
0 (0.0 %) 0
R12 15.04° 80.38° 556 556 (100.0 %)
0 (0.0 %) 0
R13 15.06° 71.19° 511 511 (100.0 %)
0 (0.0 %) 0
R15 15.01° 52.55° 797 797 (100.0 %)
0 (0.0 %) 1
R16 15.16° 83.50° 722 722 (100.0 %)
0 (0.0 %) 1
R17 15.01° 53.27° 622 622 (100.0 %)
0 (0.0 %) 0
R18 15.15° 79.01° 552 552 (100.0 %)
0 (0.0 %) 0
R19 15.07° 68.55° 742 742 (100.0 %)
0 (0.0 %) 0
R20 15.04° 45.14° 857 857 (100.0 %)
0 (0.0 %) 1
R21 15.02° 68.20° 643 597 (92.8 %)
10 (1.6 %) 271
R22 15.02° 85.26° 551 551 (100.0 %)
0 (0.0 %) 1
R23 15.02° 57.48° 597 597 (100.0 %)
0 (0.0 %) 0
R24 15.13° 33.49° 908 908 (100.0 %)
0 (0.0 %) 0

Missing phase observations by satellite > 15°: 
SV Observations Missing L1 Missing L2
G1 1.6 %
0.0 %
0.0 %
G2 1.6 %
0.0 %
0.0 %
G3 1.5 %
0.0 %
0.0 %
G4 2.2 %
0.0 %
0.0 %
G5 2.4 %
0.0 %
0.0 %
G6 1.6 %
0.0 %
0.0 %
G7 2.3 %
0.0 %
0.0 %
G8 2.5 %
0.0 %
0.0 %
G9 2.6 %
0.0 %
0.0 %
G10 1.5 %
0.0 %
0.0 %
G11 1.7 %
0.0 %
0.0 %
G12 2.2 %
0.0 %
0.0 %
G13 2.5 %
0.0 %
0.0 %
G14 1.6 %
0.0 %
0.0 %
G15 2.2 %
0.0 %
0.0 %
G16 2.3 %
0.0 %
0.0 %
G17 1.6 %
0.0 %
0.0 %
G18 1.7 %
0.0 %
0.0 %
G19 1.5 %
0.0 %
0.0 %
G20 1.9 %
0.0 %
0.0 %
G21 2.4 %
0.0 %
0.0 %
G22 1.9 %
0.0 %
0.3 %
G23 2.5 %
0.0 %
0.0 %
G24 1.7 %
0.0 %
0.0 %
G25 1.7 %
0.0 %
0.0 %
G26 1.6 %
0.0 %
0.0 %
G27 1.6 %
0.0 %
0.0 %
G28 1.7 %
0.0 %
0.0 %
G29 2.5 %
0.0 %
0.0 %
G31 2.1 %
0.0 %
0.0 %
G32 2.5 %
0.0 %
0.0 %
R1 1.7 %
0.0 %
0.0 %
R2 1.3 %
0.0 %
0.0 %
R3 1.4 %
0.0 %
0.0 %
R4 2.0 %
0.0 %
0.0 %
R5 3.0 %
0.0 %
0.0 %
R6 2.0 %
0.0 %
0.0 %
R7 1.3 %
0.0 %
0.0 %
R8 1.6 %
0.0 %
0.0 %
R9 2.1 %
0.0 %
0.0 %
R11 1.6 %
0.0 %
0.0 %
R12 1.4 %
0.0 %
0.0 %
R13 1.3 %
0.0 %
0.0 %
R15 2.1 %
0.0 %
0.0 %
R16 1.9 %
0.0 %
0.0 %
R17 1.6 %
0.0 %
0.0 %
R18 1.4 %
0.0 %
0.0 %
R19 1.9 %
0.0 %
0.0 %
R20 2.2 %
0.0 %
0.0 %
R21 1.5 %
0.0 %
3.0 %
R22 1.4 %
0.0 %
0.0 %
R23 1.5 %
0.0 %
0.0 %
R24 2.3 %
0.0 %
0.0 %

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 %
G4 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 %
0.3 %
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 %
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 %
R11 0.0 %
0.0 %
R12 0.0 %
0.0 %
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 %
3.0 %
R22 0.0 %
0.0 %
R23 0.0 %
0.0 %
R24 0.0 %
0.0 %

Tracking by satellite elevation > 15°: 
Elevation Cycle Slips GPS Cycle Slips GLONASS Cycle Slips Galileo Observations
85 - 90 0
0
0
0.1 %
80 - 85 0
0
0
0.9 %
75 - 80 0
0
0
1.2 %
70 - 75 0
0
0
2.6 %
65 - 70 0
51
0
3.9 %
60 - 65 0
26
0
3.3 %
55 - 60 0
22
0
4.7 %
50 - 55 0
20
0
5.7 %
45 - 50 0
19
0
6.1 %
40 - 45 0
26
0
9.6 %
35 - 40 0
29
0
11.2 %
30 - 35 1
26
0
12.6 %
25 - 30 2
21
0
12.4 %
20 - 25 2
23
0
12.6 %
15 - 20 7
19
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 7.6
4.5
- - -
G3 8.4
6.0
- - -
G4 7.9
5.1
- - -
G5 7.8
6.0
- - -
G6 8.4
6.4
- - -
G7 8.3
6.4
- - -
G8 8.1
5.6
- - -
G9 8.1
5.8
- - -
G10 8.4
6.1
- - -
G11 8.4
6.3
- - -
G12 8.4
6.6
- - -
G13 8.1
5.3
- - -
G14 8.3
6.2
- - -
G15 8.1
6.0
- - -
G16 7.7
4.9
- - -
G17 8.5
7.1
- - -
G18 8.5
6.3
- - -
G19 8.3
6.7
- - -
G20 8.4
6.4
- - -
G21 7.8
5.5
- - -
G22 8.4
6.7
- - -
G23 8.4
5.7
- - -
G24 8.3
7.1
- - -
G25 8.4
6.8
- - -
G26 8.5
6.6
- - -
G27 8.5
7.2
- - -
G28 8.5
6.4
- - -
G29 8.1
6.6
- - -
G31 8.1
6.0
- - -
G32 8.1
5.8
- - -
R1 7.3
4.6
- - -
R2 8.2
7.0
- - -
R3 7.6
7.3
- - -
R4 7.8
6.8
- - -
R5 7.9
6.8
- - -
R6 8.1
7.0
- - -
R7 8.3
7.3
- - -
R8 7.5
6.4
- - -
R9 7.5
5.3
- - -
R11 7.4
5.0
- - -
R12 7.6
6.4
- - -
R13 7.3
7.1
- - -
R15 6.9
6.3
- - -
R16 7.7
7.0
- - -
R17 7.7
6.9
- - -
R18 8.2
7.4
- - -
R19 7.9
6.6
- - -
R20 6.3
6.7
- - -
R21 7.5
4.8
- - -
R22 8.3
7.3
- - -
R23 8.1
7.0
- - -
R24 7.7
6.7
- - -
Average GPS: 8.2
6.2
- - -
Average GLONASS: 7.7
6.5
- - -
Average Galileo: - - - - -
Average All: 8.0
6.3
- - -

Code multipath by satellite > 15°: 
SV Av Elev MP1 MP2 MP5 MP5b MP5a+b
G1 45.2 ° 0.15 m
0.20 m
- - -
G2 40.6 ° 0.17 m
0.29 m
- - -
G3 36.1 ° 0.16 m
0.22 m
- - -
G4 29.2 ° 0.21 m
0.32 m
- - -
G5 24.2 ° 0.22 m
0.28 m
- - -
G6 44.5 ° 0.15 m
0.19 m
- - -
G7 35.5 ° 0.18 m
0.21 m
- - -
G8 29.5 ° 0.17 m
0.21 m
- - -
G9 26.9 ° 0.17 m
0.23 m
- - -
G10 37.6 ° 0.17 m
0.26 m
- - -
G11 42.2 ° 0.16 m
0.20 m
- - -
G12 37.8 ° 0.19 m
0.23 m
- - -
G13 29.9 ° 0.18 m
0.21 m
- - -
G14 43.1 ° 0.20 m
0.23 m
- - -
G15 30.4 ° 0.17 m
0.24 m
- - -
G16 25.8 ° 0.22 m
0.25 m
- - -
G17 43.4 ° 0.18 m
0.27 m
- - -
G18 51.9 ° 0.18 m
0.27 m
- - -
G19 36.1 ° 0.17 m
0.24 m
- - -
G20 44.4 ° 0.15 m
0.23 m
- - -
G21 32.8 ° 0.18 m
0.24 m
- - -
G22 42.5 ° 0.18 m
0.24 m
- - -
G23 28.1 ° 0.16 m
0.22 m
- - -
G24 48.3 ° 0.14 m
0.22 m
- - -
G25 49.4 ° 0.16 m
0.21 m
- - -
G26 44.1 ° 0.15 m
0.25 m
- - -
G27 43.4 ° 0.14 m
0.18 m
- - -
G28 45.9 ° 0.18 m
0.21 m
- - -
G29 28.6 ° 0.16 m
0.22 m
- - -
G31 30.6 ° 0.18 m
0.29 m
- - -
G32 32.2 ° 0.15 m
0.22 m
- - -
R1 29.3 ° 0.18 m
0.42 m
- - -
R2 42.2 ° 0.20 m
0.31 m
- - -
R3 49.2 ° 0.19 m
0.29 m
- - -
R4 35.6 ° 0.21 m
0.33 m
- - -
R5 35.0 ° 0.20 m
0.37 m
- - -
R6 48.8 ° 0.15 m
0.34 m
- - -
R7 43.1 ° 0.19 m
0.36 m
- - -
R8 30.2 ° 0.22 m
0.39 m
- - -
R9 43.3 ° 0.18 m
0.27 m
- - -
R11 34.2 ° 0.15 m
0.36 m
- - -
R12 47.7 ° 0.14 m
0.22 m
- - -
R13 43.1 ° 0.17 m
0.34 m
- - -
R15 33.8 ° 0.22 m
0.38 m
- - -
R16 49.3 ° 0.14 m
0.22 m
- - -
R17 34.1 ° 0.19 m
0.24 m
- - -
R18 47.1 ° 0.14 m
0.21 m
- - -
R19 41.8 ° 0.17 m
0.35 m
- - -
R20 30.1 ° 0.20 m
0.32 m
- - -
R21 41.6 ° 0.35 m
0.63 m
- - -
R22 50.1 ° 0.15 m
0.31 m
- - -
R23 36.3 ° 0.20 m
0.37 m
- - -
R24 24.3 ° 0.21 m
0.43 m
- - -
Average GPS: - 0.17 m
0.23 m
- - -
Average GLONASS: - 0.19 m
0.34 m
- - -
Average Galileo: - - - - - -
Average All: - 0.18 m
0.28 m
- - -

Code multipath by satellite elevation > 15°: 
Elevation MP1 MP2 MP5 MP5b MP5a+b
85 - 90 0.08 m
0.14 m
- - -
80 - 85 0.08 m
0.13 m
- - -
75 - 80 0.08 m
0.15 m
- - -
70 - 75 0.08 m
0.14 m
- - -
65 - 70 0.10 m
0.16 m
- - -
60 - 65 0.10 m
0.14 m
- - -
55 - 60 0.10 m
0.15 m
- - -
50 - 55 0.12 m
0.19 m
- - -
45 - 50 0.12 m
0.19 m
- - -
40 - 45 0.13 m
0.20 m
- - -
35 - 40 0.16 m
0.22 m
- - -
30 - 35 0.18 m
0.26 m
- - -
25 - 30 0.22 m
0.32 m
- - -
20 - 25 0.26 m
0.44 m
- - -
15 - 20 0.30 m
0.43 m
- - -
10 - 15 - - - - -
5 - 10 - - - - -
0 - 5 - - - - -


Observation File Messages:





GPS Navigation File Messages:




GLONASS Navigation File Messages:




General Messages:


- Orbit missing or expired for SV R21 starting 2013/11/02 06:49:00.00.

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 4.2.0.10