Leica SpiderQC v4.2 Quality Report


Program Run: 2013/05/06 00:02:31.44

File Details:


Observation File: argu1250.13o
GPS Navigation File: argu1250.13n
GLONASS Navigation File: argu1250.13g
Quality Testing:  Pass 

Station Details:


Marker Name/Number:  ARGU  ARGU   
Observer/Agency:       
Receiver #/Type/Vers:  495472  LEICA GRX1200+GNSS  8.51/6.110 
Antenna #/Type:    LEIAX1203+GNSS NONE   
Antenna Offsets (HEN):  0.000  0.000  0.000 
Approx Position (XYZ):  5437937.473  -1526630.565  2953126.614 
Approx Position (plh):  27° 45' 39.63136" N  15° 40' 53.03670" W  67.753m 
Diff. Est-Header:  5.5 m dX  -7.7 m dY  7.5 m dZ 
Diff. Est-Header:  12.0 m (2880 estimates) 

Session Summary:


Time of first obs:  2013/05/05 00:00:00.00 GPS 
Time of last obs:  2013/05/05 23:59:30.00 GPS 
Session length:  23.99 hours 
GPS week:  1739, day 0 
Observation interval:  30.00 seconds 
UTC leap seconds:  16 seconds 

Num SVs with obs:  54 
Num SVs with nav:  56 
Total GPS orbits:  175 
Total GLONASS orbits:  389 
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 G28 G29 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 obs:  G27 G30 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 R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24  
SVs without nav:   
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 8 slips, Threshold 44 slips 
Multipath:  Pass  Value 0.21m MP1 / 0.26m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 95.0 % 
Navigation Data:  Pass   
     
GLONASS Specific Tests 
Cycle Slips:  Pass  Value 18 slips, Threshold 104 slips 
Multipath:  Pass  Value 0.22m MP1 / 0.30m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 99.9 %, Threshold 90.0 % 
Navigation Data:  Pass   

General Quality Indicators:


Tracking   
Num obs > 0°:  44022 
Num possible obs > 0°:  52628 
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°:  24534 
Num obs GLONASS > 0°:  19488 
Num obs Galileo > 0°: 
Num obs All > 0°:  44022 

Epochs with < 5 SV > 15°:  (0.0 %) 
Epochs with all SV > 15°:  2877  (99.9 %) 
Epochs with full data > 15°:  2846  (98.8 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.6  6.2  3.4 
GDOP  3.1  7.9  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:  0.000084 ms (at 2013/05/05 19:01:00.00) 
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°:  39059  21780  17279 
% obs > 15°:   100.0 %  100.0 %  100.0 % 
Num possible obs > 15°:  39062  21783  17279 
Num complete obs > 15°:  39028  21774  17254 
% complete obs > 15°:   99.9 %  100.0 %  99.9 % 
Average # SV per Epoch:  13.6   7.6   6.0  
         
Obs L2 : Obs L1:  0.999   1.000   0.999  
Obs L5 : Obs L1: 

Cycle Slips         
Num cycle slips > 15°:  26  18 
% slips per complete obs:  0.067 %  0.037 %  0.104 % 
Num complete obs per slip:  150108   272175   95856  
IOD Slips > 15°:  32  25 
Outliers > 15°: 
LLI L1 : Obs L1: 
LLI L2 : Obs L2:  0.0001   0.0001  
LLI L5 : Obs L5: 

Multipath         
MP1 RMS:  0.212 m  0.208 m  0.217 m 
MP2 RMS:  0.277 m  0.262 m  0.297 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 15.09° 55.02° 864 864 (100.0 %)
0 (0.0 %) 0
G2 15.09° 66.50° 588 588 (100.0 %)
0 (0.0 %) 1
G3 15.03° 60.59° 829 829 (100.0 %)
0 (0.0 %) 0
G4 15.06° 85.67° 662 662 (100.0 %)
0 (0.0 %) 0
G5 15.11° 82.56° 715 715 (100.0 %)
0 (0.0 %) 1
G6 15.08° 56.24° 868 868 (100.0 %)
0 (0.0 %) 0
G7 15.01° 53.76° 736 736 (100.0 %)
0 (0.0 %) 0
G8 15.07° 64.52° 574 574 (100.0 %)
0 (0.0 %) 0
G9 15.13° 86.33° 660 660 (100.0 %)
0 (0.0 %) 0
G10 15.08° 60.25° 829 829 (100.0 %)
0 (0.0 %) 0
G11 15.00° 59.84° 847 847 (100.0 %)
0 (0.0 %) 0
G12 15.02° 84.13° 686 686 (100.0 %)
0 (0.0 %) 0
G13 15.06° 78.72° 620 620 (100.0 %)
0 (0.0 %) 0
G14 15.05° 63.76° 570 570 (100.0 %)
0 (0.0 %) 1
G15 15.05° 70.09° 791 791 (100.0 %)
0 (0.0 %) 0
G16 15.06° 76.88° 741 741 (100.0 %)
0 (0.0 %) 0
G17 15.00° 61.47° 563 563 (100.0 %)
0 (0.0 %) 0
G18 15.04° 41.26° 803 803 (100.0 %)
0 (0.0 %) 1
G19 15.01° 59.44° 846 846 (100.0 %)
0 (0.0 %) 0
G20 15.05° 76.66° 748 748 (100.0 %)
0 (0.0 %) 0
G21 15.03° 58.51° 582 582 (100.0 %)
0 (0.0 %) 0
G22 15.10° 41.42° 813 813 (100.0 %)
0 (0.0 %) 0
G23 15.01° 68.77° 603 600 (99.5 %)
0 (0.0 %) 2
G24 15.07° 56.89° 851 851 (100.0 %)
0 (0.0 %) 0
G25 15.04° 67.68° 790 790 (100.0 %)
0 (0.0 %) 0
G26 15.10° 53.28° 831 831 (100.0 %)
0 (0.0 %) 0
G28 15.06° 35.69° 821 821 (100.0 %)
0 (0.0 %) 1
G29 15.03° 79.88° 633 633 (100.0 %)
0 (0.0 %) 0
G31 15.04° 85.95° 659 659 (100.0 %)
0 (0.0 %) 1
G32 15.00° 84.46° 660 660 (100.0 %)
0 (0.0 %) 0
R1 15.07° 48.67° 762 762 (100.0 %)
0 (0.0 %) 0
R2 15.05° 51.92° 746 746 (100.0 %)
0 (0.0 %) 0
R3 15.03° 72.40° 613 613 (100.0 %)
0 (0.0 %) 1
R4 15.04° 82.71° 536 536 (100.0 %)
0 (0.0 %) 0
R5 15.00° 58.18° 766 766 (100.0 %)
0 (0.0 %) 1
R6 15.01° 60.84° 930 930 (100.0 %)
0 (0.0 %) 3
R7 15.00° 84.84° 761 761 (100.0 %)
0 (0.0 %) 2
R8 15.01° 70.75° 621 621 (100.0 %)
0 (0.0 %) 2
R9 15.02° 71.18° 614 614 (100.0 %)
0 (0.0 %) 3
R10 15.03° 85.22° 743 743 (100.0 %)
0 (0.0 %) 1
R11 15.06° 60.16° 930 930 (100.0 %)
0 (0.0 %) 3
R12 15.00° 59.92° 785 785 (100.0 %)
0 (0.0 %) 0
R13 15.03° 85.49° 537 537 (100.0 %)
0 (0.0 %) 0
R14 15.01° 70.70° 609 609 (100.0 %)
0 (0.0 %) 0
R15 15.10° 46.96° 764 764 (100.0 %)
0 (0.0 %) 0
R16 15.05° 49.50° 752 752 (100.0 %)
0 (0.0 %) 1
R17 15.02° 37.11° 710 710 (100.0 %)
0 (0.0 %) 0
R18 15.05° 58.93° 606 606 (100.0 %)
0 (0.0 %) 0
R19 15.00° 86.73° 545 545 (100.0 %)
0 (0.0 %) 0
R20 15.01° 68.84° 896 896 (100.0 %)
0 (0.0 %) 0
R21 15.05° 49.23° 1037 1037 (100.0 %)
0 (0.0 %) 0
R22 15.03° 70.70° 891 891 (100.0 %)
0 (0.0 %) 0
R23 15.13° 83.98° 537 537 (100.0 %)
0 (0.0 %) 0
R24 15.01° 60.30° 588 588 (100.0 %)
0 (0.0 %) 1

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 2.1 %
0.0 %
0.0 %
G4 1.7 %
0.0 %
0.0 %
G5 1.8 %
0.0 %
0.0 %
G6 2.2 %
0.0 %
0.0 %
G7 1.9 %
0.0 %
0.0 %
G8 1.5 %
0.0 %
0.0 %
G9 1.7 %
0.0 %
0.0 %
G10 2.1 %
0.0 %
0.0 %
G11 2.2 %
0.0 %
0.1 %
G12 1.8 %
0.0 %
0.0 %
G13 1.6 %
0.0 %
0.0 %
G14 1.5 %
0.0 %
0.0 %
G15 2.0 %
0.0 %
0.0 %
G16 1.9 %
0.0 %
0.0 %
G17 1.4 %
0.0 %
0.0 %
G18 2.1 %
0.0 %
0.0 %
G19 2.2 %
0.0 %
0.0 %
G20 1.9 %
0.0 %
0.0 %
G21 1.5 %
0.0 %
0.0 %
G22 2.1 %
0.0 %
0.0 %
G23 1.5 %
0.3 %
0.8 %
G24 2.2 %
0.0 %
0.0 %
G25 2.0 %
0.0 %
0.0 %
G26 2.1 %
0.0 %
0.0 %
G28 2.1 %
0.0 %
0.0 %
G29 1.6 %
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 1.9 %
0.0 %
0.0 %
R3 1.6 %
0.0 %
0.2 %
R4 1.4 %
0.0 %
0.0 %
R5 2.0 %
0.0 %
0.0 %
R6 2.4 %
0.0 %
0.4 %
R7 1.9 %
0.0 %
0.5 %
R8 1.6 %
0.0 %
0.0 %
R9 1.6 %
0.0 %
0.0 %
R10 1.9 %
0.0 %
0.0 %
R11 2.4 %
0.0 %
1.7 %
R12 2.0 %
0.0 %
0.0 %
R13 1.4 %
0.0 %
0.0 %
R14 1.6 %
0.0 %
0.0 %
R15 2.0 %
0.0 %
0.0 %
R16 1.9 %
0.0 %
0.0 %
R17 1.8 %
0.0 %
0.0 %
R18 1.6 %
0.0 %
0.0 %
R19 1.4 %
0.0 %
0.0 %
R20 2.3 %
0.0 %
0.0 %
R21 2.7 %
0.0 %
0.0 %
R22 2.3 %
0.0 %
0.0 %
R23 1.4 %
0.0 %
0.0 %
R24 1.5 %
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 %
0.1 %
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 %
0.7 %
G24 0.0 %
0.0 %
G25 0.0 %
0.0 %
G26 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 %
0.3 %
R7 0.0 %
0.4 %
R8 0.0 %
0.0 %
R9 0.0 %
0.0 %
R10 0.0 %
0.0 %
R11 0.0 %
1.0 %
R12 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 %
0.0 %

Tracking by satellite elevation > 15°: 
Elevation Cycle Slips GPS Cycle Slips GLONASS Cycle Slips Galileo Observations
85 - 90 0
0
0
0.3 %
80 - 85 0
0
0
1.5 %
75 - 80 0
0
0
1.9 %
70 - 75 0
0
0
2.4 %
65 - 70 0
0
0
3.8 %
60 - 65 0
0
0
4.4 %
55 - 60 0
0
0
8.0 %
50 - 55 0
0
0
8.3 %
45 - 50 0
0
0
9.2 %
40 - 45 0
0
0
8.5 %
35 - 40 0
3
0
10.1 %
30 - 35 1
4
0
10.1 %
25 - 30 1
2
0
9.9 %
20 - 25 3
3
0
9.6 %
15 - 20 3
6
0
12.0 %
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 8.4
7.4
- - -
G2 8.5
7.1
- - -
G3 8.5
6.9
- - -
G4 8.5
6.9
- - -
G5 8.5
7.5
- - -
G6 8.4
6.8
- - -
G7 8.2
6.7
- - -
G8 8.4
6.6
- - -
G9 8.5
7.0
- - -
G10 8.4
6.8
- - -
G11 8.5
6.6
- - -
G12 8.6
7.3
- - -
G13 8.5
6.6
- - -
G14 8.2
6.5
- - -
G15 8.5
7.4
- - -
G16 8.5
6.8
- - -
G17 8.5
7.3
- - -
G18 7.9
5.3
- - -
G19 8.5
7.4
- - -
G20 8.5
6.8
- - -
G21 7.8
6.1
- - -
G22 8.0
6.2
- - -
G23 8.6
6.7
- - -
G24 8.3
7.3
- - -
G25 8.3
7.0
- - -
G26 8.4
6.7
- - -
G28 7.8
5.5
- - -
G29 8.5
7.4
- - -
G31 8.6
7.5
- - -
G32 8.5
6.9
- - -
R1 7.7
5.5
- - -
R2 8.1
5.6
- - -
R3 7.6
7.5
- - -
R4 8.0
7.6
- - -
R5 7.8
7.1
- - -
R6 8.0
7.3
- - -
R7 7.9
7.3
- - -
R8 8.1
7.4
- - -
R9 8.3
7.5
- - -
R10 8.0
5.6
- - -
R11 7.3
5.4
- - -
R12 8.0
6.4
- - -
R13 7.8
7.5
- - -
R14 6.5
5.5
- - -
R15 7.4
6.9
- - -
R16 7.6
7.2
- - -
R17 7.7
7.0
- - -
R18 7.9
7.3
- - -
R19 8.2
7.4
- - -
R20 6.5
7.3
- - -
R21 7.7
5.8
- - -
R22 8.2
7.6
- - -
R23 8.2
7.6
- - -
R24 8.0
6.7
- - -
Average GPS: 8.4
6.8
- - -
Average GLONASS: 7.8
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 35.1 ° 0.19 m
0.24 m
- - -
G2 40.8 ° 0.26 m
0.21 m
- - -
G3 37.8 ° 0.17 m
0.21 m
- - -
G4 50.4 ° 0.18 m
0.22 m
- - -
G5 48.8 ° 0.16 m
0.19 m
- - -
G6 35.7 ° 0.17 m
0.25 m
- - -
G7 34.4 ° 0.20 m
0.25 m
- - -
G8 39.8 ° 0.20 m
0.24 m
- - -
G9 50.7 ° 0.20 m
0.25 m
- - -
G10 37.7 ° 0.17 m
0.22 m
- - -
G11 37.4 ° 0.19 m
0.24 m
- - -
G12 49.6 ° 0.23 m
0.30 m
- - -
G13 46.9 ° 0.20 m
0.27 m
- - -
G14 39.4 ° 0.22 m
0.29 m
- - -
G15 42.6 ° 0.18 m
0.26 m
- - -
G16 46.0 ° 0.15 m
0.22 m
- - -
G17 38.2 ° 0.24 m
0.25 m
- - -
G18 28.2 ° 0.34 m
0.38 m
- - -
G19 37.2 ° 0.17 m
0.23 m
- - -
G20 45.9 ° 0.26 m
0.31 m
- - -
G21 36.8 ° 0.21 m
0.33 m
- - -
G22 28.3 ° 0.24 m
0.30 m
- - -
G23 41.9 ° 0.21 m
0.24 m
- - -
G24 36.0 ° 0.21 m
0.25 m
- - -
G25 41.4 ° 0.29 m
0.30 m
- - -
G26 34.2 ° 0.19 m
0.20 m
- - -
G28 25.4 ° 0.22 m
0.30 m
- - -
G29 47.5 ° 0.21 m
0.30 m
- - -
G31 50.5 ° 0.16 m
0.27 m
- - -
G32 49.7 ° 0.20 m
0.32 m
- - -
R1 31.9 ° 0.28 m
0.32 m
- - -
R2 33.5 ° 0.17 m
0.25 m
- - -
R3 43.7 ° 0.17 m
0.19 m
- - -
R4 48.9 ° 0.17 m
0.21 m
- - -
R5 36.6 ° 0.31 m
0.35 m
- - -
R6 37.9 ° 0.17 m
0.27 m
- - -
R7 49.9 ° 0.20 m
0.31 m
- - -
R8 42.9 ° 0.24 m
0.31 m
- - -
R9 43.1 ° 0.13 m
0.24 m
- - -
R10 50.1 ° 0.27 m
0.40 m
- - -
R11 37.6 ° 0.22 m
0.32 m
- - -
R12 37.5 ° 0.19 m
0.25 m
- - -
R13 50.3 ° 0.19 m
0.27 m
- - -
R14 42.9 ° 0.23 m
0.29 m
- - -
R15 31.0 ° 0.27 m
0.33 m
- - -
R16 32.3 ° 0.19 m
0.30 m
- - -
R17 26.1 ° 0.25 m
0.31 m
- - -
R18 37.0 ° 0.16 m
0.34 m
- - -
R19 50.9 ° 0.23 m
0.32 m
- - -
R20 41.9 ° 0.26 m
0.33 m
- - -
R21 32.1 ° 0.26 m
0.31 m
- - -
R22 42.9 ° 0.17 m
0.30 m
- - -
R23 49.6 ° 0.18 m
0.19 m
- - -
R24 37.7 ° 0.28 m
0.40 m
- - -
Average GPS: - 0.21 m
0.26 m
- - -
Average GLONASS: - 0.22 m
0.30 m
- - -
Average Galileo: - - - - - -
Average All: - 0.21 m
0.28 m
- - -

Code multipath by satellite elevation > 15°: 
Elevation MP1 MP2 MP5 MP5b MP5a+b
85 - 90 0.11 m
0.17 m
- - -
80 - 85 0.11 m
0.15 m
- - -
75 - 80 0.14 m
0.19 m
- - -
70 - 75 0.12 m
0.21 m
- - -
65 - 70 0.14 m
0.18 m
- - -
60 - 65 0.15 m
0.19 m
- - -
55 - 60 0.12 m
0.18 m
- - -
50 - 55 0.15 m
0.20 m
- - -
45 - 50 0.16 m
0.23 m
- - -
40 - 45 0.20 m
0.24 m
- - -
35 - 40 0.21 m
0.29 m
- - -
30 - 35 0.22 m
0.31 m
- - -
25 - 30 0.27 m
0.34 m
- - -
20 - 25 0.31 m
0.39 m
- - -
15 - 20 0.37 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 4.2.0.10