Leica SpiderQC v4.4 Quality Report


Program Run: 2017/07/08 00:07:21.70

File Details:


Observation File: morj1880.17o
GPS Navigation File: morj1880.17n
GLONASS Navigation File: morj1880.17g
Quality Testing:  Pass 

Station Details:


Marker Name/Number:  MORJ  MORJ   
Observer/Agency:       
Receiver #/Type/Vers:  495462  LEICA GRX1200+GNSS  8.71/6.112 
Antenna #/Type:    LEIAX1203+GNSS NONE   
Antenna Offsets (HEN):  0.000  0.000  0.000 
Approx Position (XYZ):  5457088.583  -1397044.592  2981594.352 
Approx Position (plh):  28° 03' 6.28274" N  14° 21' 34.67271" W  57.667m 
Diff. Est-Header:  -0.1 m dX  -6.0 m dY  1.4 m dZ 
Diff. Est-Header:  6.2 m (2880 estimates) 

Session Summary:


Time of first obs:  2017/07/07 00:00:00.00 GPS 
Time of last obs:  2017/07/07 23:59:30.00 GPS 
Session length:  23.99 hours 
GPS week:  1956, day 5 
Observation interval:  30.00 seconds 
UTC leap seconds:  18 seconds 

Num SVs with obs:  54 
Num SVs with nav:  54 
Total GPS orbits:  182 
Total GLONASS orbits:  365 
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 6 slips, Threshold 45 slips 
Multipath:  Pass  Value 0.33m MP1 / 0.40m 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 99 slips 
Multipath:  Pass  Value 0.33m MP1 / 0.50m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 94.3 %, Threshold 90.0 % 
Navigation Data:  Pass   

General Quality Indicators:


Tracking   
Num obs > 0°:  43493 
Num possible obs > 0°:  51719 
Num obs with invalid nav: 
Num obs without nav: 
Num obs to unhealthy SV:  101 
Num obs with WLF change: 
Num complete loss of lock: 

Num obs GPS > 0°:  25084 
Num obs GLONASS > 0°:  18409 
Num obs Galileo > 0°: 
Num obs All > 0°:  43493 

Epochs with < 5 SV > 15°:  (0.0 %) 
Epochs with all SV > 15°:  2879  (100.0 %) 
Epochs with full data > 15°:  1944  (67.5 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.7  5.3  3.4 
GDOP  3.2  6.3  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:  0.000046 ms (at 2017/07/07 04:30:30.00) 
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°:  38756  22268  16488 
% obs > 15°:   100.0 %  100.0 %  100.0 % 
Num possible obs > 15°:  38757  22268  16489 
Num complete obs > 15°:  37821  22268  15553 
% complete obs > 15°:   97.6 %  100.0 %  94.3 % 
Average # SV per Epoch:  13.5   7.7   5.7  
         
Obs L2 : Obs L1:  0.976   1.000   0.943  
Obs L5 : Obs L1: 

Cycle Slips         
Num cycle slips > 15°:  18  12 
% slips per complete obs:  0.048 %  0.027 %  0.077 % 
Num complete obs per slip:  210117   371133   129608  
IOD Slips > 15°:  934  934 
Outliers > 15°: 
LLI L1 : Obs L1: 
LLI L2 : Obs L2:  0.0001   0.0001  
LLI L5 : Obs L5: 

Multipath         
MP1 RMS:  0.328 m  0.327 m  0.329 m 
MP2 RMS:  0.442 m  0.403 m  0.497 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 97.6 %
N/A N/A
L2P 97.6 %
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° 54.59° 851 851 (100.0 %)
0 (0.0 %) 0
G2 15.00° 58.85° 451 451 (100.0 %)
0 (0.0 %) 0
G3 15.05° 76.62° 743 743 (100.0 %)
0 (0.0 %) 0
G5 15.04° 85.99° 707 707 (100.0 %)
0 (0.0 %) 0
G6 15.03° 86.26° 665 665 (100.0 %)
0 (0.0 %) 0
G7 15.02° 53.43° 728 728 (100.0 %)
0 (0.0 %) 0
G8 15.03° 66.06° 808 808 (100.0 %)
0 (0.0 %) 1
G9 15.07° 87.50° 675 675 (100.0 %)
0 (0.0 %) 0
G10 15.01° 43.19° 804 804 (100.0 %)
0 (0.0 %) 0
G11 15.10° 61.86° 820 820 (100.0 %)
0 (0.0 %) 1
G12 15.08° 85.55° 672 672 (100.0 %)
0 (0.0 %) 0
G13 15.08° 55.11° 857 857 (100.0 %)
0 (0.0 %) 0
G14 15.01° 51.07° 743 743 (100.0 %)
0 (0.0 %) 1
G15 15.00° 75.98° 758 758 (100.0 %)
0 (0.0 %) 0
G16 15.03° 76.86° 727 727 (100.0 %)
0 (0.0 %) 1
G17 15.03° 63.03° 568 568 (100.0 %)
0 (0.0 %) 1
G18 15.08° 36.79° 819 819 (100.0 %)
0 (0.0 %) 0
G19 15.05° 55.20° 720 720 (100.0 %)
0 (0.0 %) 0
G20 15.14° 67.41° 596 596 (100.0 %)
0 (0.0 %) 0
G21 15.14° 62.17° 591 591 (100.0 %)
0 (0.0 %) 0
G22 15.08° 88.49° 707 707 (100.0 %)
0 (0.0 %) 0
G23 15.03° 71.40° 622 622 (100.0 %)
0 (0.0 %) 0
G24 15.02° 56.55° 851 851 (100.0 %)
0 (0.0 %) 0
G25 15.04° 66.23° 791 791 (100.0 %)
0 (0.0 %) 0
G26 15.03° 69.68° 787 787 (100.0 %)
0 (0.0 %) 1
G27 15.12° 54.42° 852 852 (100.0 %)
0 (0.0 %) 0
G28 15.01° 36.95° 821 821 (100.0 %)
0 (0.0 %) 0
G29 15.01° 80.14° 626 626 (100.0 %)
0 (0.0 %) 0
G30 15.02° 68.75° 608 608 (100.0 %)
0 (0.0 %) 0
G31 15.06° 85.14° 660 660 (100.0 %)
0 (0.0 %) 0
G32 15.01° 57.11° 640 640 (100.0 %)
0 (0.0 %) 0
R1 15.00° 70.92° 898 898 (100.0 %)
0 (0.0 %) 0
R2 15.02° 51.72° 1036 1036 (100.0 %)
0 (0.0 %) 0
R3 15.04° 74.27° 800 800 (100.0 %)
0 (0.0 %) 0
R4 15.18° 80.55° 530 530 (100.0 %)
0 (0.0 %) 0
R5 15.02° 56.37° 628 628 (100.0 %)
0 (0.0 %) 0
R6 15.01° 40.83° 707 707 (100.0 %)
0 (0.0 %) 0
R7 15.00° 62.31° 535 535 (100.0 %)
0 (0.0 %) 0
R8 15.12° 86.03° 546 546 (100.0 %)
0 (0.0 %) 0
R9 15.04° 71.42° 618 618 (100.0 %)
0 (0.0 %) 3
R10 15.05° 82.56° 529 529 (100.0 %)
0 (0.0 %) 0
R11 15.00° 57.78° 833 833 (100.0 %)
0 (0.0 %) 0
R12 15.04° 61.43° 930 930 (100.0 %)
0 (0.0 %) 0
R13 15.00° 88.16° 650 650 (100.0 %)
0 (0.0 %) 0
R15 15.02° 50.35° 748 748 (100.0 %)
0 (0.0 %) 0
R16 15.02° 51.34° 745 744 (99.9 %)
0 (0.0 %) 2
R17 15.00° 59.02° 932 932 (100.0 %)
0 (0.0 %) 0
R18 15.05° 59.71° 761 761 (100.0 %)
0 (0.0 %) 0
R19 15.10° 83.44° 532 532 (100.0 %)
0 (0.0 %) 1
R20 15.07° 70.89° 611 611 (100.0 %)
0 (0.0 %) 0
R21 15.05° 48.34° 759 759 (100.0 %)
0 (0.0 %) 0
R22 15.05° 50.17° 749 749 (100.0 %)
0 (0.0 %) 0
R23 15.02° 74.34° 598 598 (100.0 %)
0 (0.0 %) 0
R24 15.05° 83.11° 814 814 (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 1.2 %
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 1.9 %
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 1.7 %
0.0 %
0.0 %
R1 2.3 %
0.0 %
0.0 %
R2 2.7 %
0.0 %
0.0 %
R3 2.1 %
0.0 %
0.0 %
R4 1.4 %
0.0 %
0.0 %
R5 1.6 %
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 %
0.0 %
R10 1.4 %
0.0 %
0.0 %
R11 2.1 %
0.0 %
0.0 %
R12 2.4 %
0.0 %
100.0 %
R13 1.7 %
0.0 %
0.0 %
R15 1.9 %
0.0 %
0.0 %
R16 1.9 %
0.0 %
0.0 %
R17 2.4 %
0.0 %
0.0 %
R18 2.0 %
0.0 %
0.0 %
R19 1.4 %
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 2.1 %
0.0 %
0.6 %

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 %
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 %
0.4 %

Tracking by satellite elevation > 15°: 
Elevation Cycle Slips GPS Cycle Slips GLONASS Cycle Slips Galileo Observations
85 - 90 0
0
0
0.5 %
80 - 85 0
0
0
1.4 %
75 - 80 0
0
0
1.8 %
70 - 75 0
0
0
2.8 %
65 - 70 0
0
0
3.9 %
60 - 65 0
0
0
4.6 %
55 - 60 0
0
0
6.1 %
50 - 55 0
0
0
9.0 %
45 - 50 0
1
0
9.0 %
40 - 45 0
1
0
8.4 %
35 - 40 0
0
0
9.7 %
30 - 35 1
1
0
10.2 %
25 - 30 2
0
0
10.0 %
20 - 25 1
0
0
9.7 %
15 - 20 2
9
0
13.0 %
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 8.3
6.9
- - -
G3 8.6
7.7
- - -
G5 8.8
7.3
- - -
G6 8.6
7.7
- - -
G7 8.5
6.1
- - -
G8 8.6
7.3
- - -
G9 8.7
7.7
- - -
G10 8.1
6.6
- - -
G11 8.5
6.6
- - -
G12 8.8
7.1
- - -
G13 8.6
6.4
- - -
G14 7.7
5.6
- - -
G15 8.7
7.0
- - -
G16 8.4
6.7
- - -
G17 8.8
7.1
- - -
G18 7.8
5.2
- - -
G19 8.1
6.7
- - -
G20 8.4
6.8
- - -
G21 8.4
6.6
- - -
G22 8.6
7.2
- - -
G23 8.6
6.7
- - -
G24 8.5
7.5
- - -
G25 8.5
7.1
- - -
G26 8.5
7.2
- - -
G27 8.6
7.5
- - -
G28 7.8
5.5
- - -
G29 8.8
7.1
- - -
G30 8.7
7.4
- - -
G31 8.7
7.1
- - -
G32 8.5
7.0
- - -
R1 7.9
5.9
- - -
R2 8.3
7.7
- - -
R3 8.0
7.4
- - -
R4 8.3
7.6
- - -
R5 6.3
5.3
- - -
R6 5.9
5.5
- - -
R7 8.1
7.5
- - -
R8 7.6
7.6
- - -
R9 8.1
7.6
- - -
R10 8.4
6.1
- - -
R11 7.9
7.3
- - -
R12 7.5
- - - -
R13 6.5
5.8
- - -
R15 7.5
7.2
- - -
R16 6.7
5.8
- - -
R17 7.9
7.3
- - -
R18 8.0
7.3
- - -
R19 7.6
7.5
- - -
R20 6.7
7.6
- - -
R21 7.9
7.4
- - -
R22 8.0
7.6
- - -
R23 8.2
5.8
- - -
R24 6.6
3.8
- - -
Average GPS: 8.5
6.9
- - -
Average GLONASS: 7.6
6.8
- - -
Average Galileo: - - - - -
Average All: 8.1
6.8
- - -

Code multipath by satellite > 15°: 
SV Av Elev MP1 MP2 MP5 MP5b MP5a+b
G1 34.8 ° 0.34 m
0.38 m
- - -
G2 36.9 ° 0.29 m
0.44 m
- - -
G3 45.8 ° 0.28 m
0.37 m
- - -
G5 50.5 ° 0.31 m
0.38 m
- - -
G6 50.6 ° 0.28 m
0.34 m
- - -
G7 34.2 ° 0.36 m
0.46 m
- - -
G8 40.5 ° 0.31 m
0.34 m
- - -
G9 51.3 ° 0.29 m
0.37 m
- - -
G10 29.1 ° 0.52 m
0.55 m
- - -
G11 38.5 ° 0.38 m
0.41 m
- - -
G12 50.3 ° 0.25 m
0.32 m
- - -
G13 35.1 ° 0.33 m
0.39 m
- - -
G14 33.0 ° 0.31 m
0.39 m
- - -
G15 45.5 ° 0.32 m
0.40 m
- - -
G16 45.9 ° 0.31 m
0.41 m
- - -
G17 39.0 ° 0.28 m
0.34 m
- - -
G18 25.9 ° 0.43 m
0.53 m
- - -
G19 35.1 ° 0.30 m
0.42 m
- - -
G20 41.3 ° 0.24 m
0.35 m
- - -
G21 38.7 ° 0.39 m
0.47 m
- - -
G22 51.8 ° 0.26 m
0.37 m
- - -
G23 43.2 ° 0.37 m
0.41 m
- - -
G24 35.8 ° 0.32 m
0.40 m
- - -
G25 40.6 ° 0.31 m
0.41 m
- - -
G26 42.4 ° 0.30 m
0.40 m
- - -
G27 34.8 ° 0.34 m
0.38 m
- - -
G28 26.0 ° 0.46 m
0.53 m
- - -
G29 47.6 ° 0.31 m
0.40 m
- - -
G30 41.9 ° 0.34 m
0.39 m
- - -
G31 50.1 ° 0.27 m
0.36 m
- - -
G32 36.1 ° 0.32 m
0.38 m
- - -
R1 43.0 ° 0.34 m
0.47 m
- - -
R2 33.4 ° 0.30 m
0.49 m
- - -
R3 44.7 ° 0.36 m
0.50 m
- - -
R4 47.9 ° 0.30 m
0.44 m
- - -
R5 35.7 ° 0.32 m
0.51 m
- - -
R6 27.9 ° 0.40 m
0.63 m
- - -
R7 38.7 ° 0.39 m
0.52 m
- - -
R8 50.6 ° 0.35 m
0.41 m
- - -
R9 43.2 ° 0.31 m
0.46 m
- - -
R10 48.8 ° 0.26 m
0.40 m
- - -
R11 36.4 ° 0.29 m
0.48 m
- - -
R12 - - - - - -
R13 51.6 ° 0.29 m
0.46 m
- - -
R15 32.7 ° 0.29 m
0.46 m
- - -
R16 33.2 ° 0.36 m
0.56 m
- - -
R17 37.0 ° 0.42 m
0.56 m
- - -
R18 37.4 ° 0.37 m
0.68 m
- - -
R19 49.3 ° 0.34 m
0.47 m
- - -
R20 43.0 ° 0.26 m
0.48 m
- - -
R21 31.7 ° 0.31 m
0.48 m
- - -
R22 32.6 ° 0.31 m
0.58 m
- - -
R23 44.7 ° 0.37 m
0.51 m
- - -
R24 49.1 ° 0.27 m
0.40 m
- - -
Average GPS: - 0.33 m
0.40 m
- - -
Average GLONASS: - 0.33 m
0.50 m
- - -
Average Galileo: - - - - - -
Average All: - 0.33 m
0.44 m
- - -

Code multipath by satellite elevation > 15°: 
Elevation MP1 MP2 MP5 MP5b MP5a+b
85 - 90 0.13 m
0.21 m
- - -
80 - 85 0.16 m
0.20 m
- - -
75 - 80 0.15 m
0.23 m
- - -
70 - 75 0.20 m
0.29 m
- - -
65 - 70 0.19 m
0.28 m
- - -
60 - 65 0.21 m
0.30 m
- - -
55 - 60 0.21 m
0.31 m
- - -
50 - 55 0.24 m
0.33 m
- - -
45 - 50 0.26 m
0.36 m
- - -
40 - 45 0.31 m
0.43 m
- - -
35 - 40 0.35 m
0.47 m
- - -
30 - 35 0.37 m
0.50 m
- - -
25 - 30 0.42 m
0.56 m
- - -
20 - 25 0.48 m
0.60 m
- - -
15 - 20 0.47 m
0.62 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