Leica SpiderQC v4.2 Quality Report


Program Run: 2014/05/06 00:06:28.68

File Details:


Observation File: tias1250.14o
GPS Navigation File: tias1250.14n
GLONASS Navigation File: tias1250.14g
Quality Testing:  Fail (See below for details) 

Station Details:


Marker Name/Number:  TIAS  31320M001   
Observer/Agency:       
Receiver #/Type/Vers:  355494  LEICA GRX1200GGPRO  7.02/3.054 
Antenna #/Type:    LEIAX1202GG NONE   
Antenna Offsets (HEN):  0.000  0.000  0.000 
Approx Position (XYZ):  5427772.590  -1318560.286  3069385.170 
Approx Position (plh):  28° 57' 7.67645" N  13° 39' 15.39420" W  258.793m 
Diff. Est-Header:  4.9 m dX  -8.1 m dY  6.3 m dZ 
Diff. Est-Header:  11.4 m (2880 estimates) 

Session Summary:


Time of first obs:  2014/05/05 00:00:00.00 GPS 
Time of last obs:  2014/05/05 23:59:30.00 GPS 
Session length:  23.99 hours 
GPS week:  1791, day 1 
Observation interval:  30.00 seconds 
UTC leap seconds:  16 seconds 

Num SVs with obs:  49 
Num SVs with nav:  56 
Total GPS orbits:  175 
Total GLONASS orbits:  385 
Total Galileo orbits:  0 
SVs with obs:  G1 G2 G3 G4 G7 G8 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 R14 R16 R17 R18 R19 R20 R21 R22 R23 R24  
SVs without obs:  G5 G6 G9 G10 G30 R10 R15 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:  0 
Auxiliary epochs:  0 

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 9 slips, Threshold 39 slips 
Multipath:  Pass  Value 0.17m MP1 / 0.21m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 99.7 %, Threshold 95.0 % 
Navigation Data:  Pass   
     
GLONASS Specific Tests 
Cycle Slips:  Pass  Value 6 slips, Threshold 90 slips 
Multipath:  Pass  Value 0.17m MP1 / 0.23m MP2, Threshold 0.5 m 
Data Completeness:  Fail  Value 85.4 %, Threshold 90.0 % 
Navigation Data:  Pass   

General Quality Indicators:


Tracking   
Num obs > 0°:  38868 
Num possible obs > 0°:  49412 
Num obs with invalid nav:  0 
Num obs without nav:  0 
Num obs to unhealthy SV:  0 
Num obs with WLF change:  0 
Num complete loss of lock:  0 

Num obs GPS > 0°:  21986 
Num obs GLONASS > 0°:  16882 
Num obs Galileo > 0°:  0 
Num obs All > 0°:  38868 

Epochs with < 5 SV > 15°:  0  (0.0 %) 
Epochs with all SV > 15°:  1081  (37.5 %) 
Epochs with full data > 15°:  983  (34.1 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.9  8.0  3.9 
GDOP  3.5  8.8  4.7 

Data Gaps 
Num epochs with data:  2880 
Num epochs without data:  0 
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 
R10  44.500  1 / 90  17.23° / 15.04°  309.53° / 285.74° 
R9  2.000  661 / 665  15.48° / 16.22°  126.84° / 126.07° 
R10  235.000  763 / 1233  15.13° / 15.17°  153.94° / 28.27° 
R14  149.500  1591 / 1890  15.04° / 40.63°  263.43° / 348.44° 
R23  45.500  1891 / 1982  32.63° / 15.19°  44.78° / 29.46° 
G24  5.500  2000 / 2011  16.84° / 15.12°  117.96° / 119.78° 
R18  11.000  2049 / 2071  15.03° / 20.48°  197.82° / 199.32° 
R24  89.500  2006 / 2185  56.32° / 15.07°  52.91° / 29.29° 
G31  2.000  2230 / 2234  75.40° / 75.40°  312.73° / 312.73° 
G31  4.000  2236 / 2244  76.64° / 76.64°  309.29° / 309.29° 
G31  2.500  2249 / 2254  79.08° / 79.08°  298.87° / 298.87° 
R14  58.500  2208 / 2325  38.52° / 15.09°  118.15° / 144.29° 
R15  300.000  1929 / 2529  15.02° / 15.15°  311.77° / 167.57° 
R10  143.500  2593 / 2880  15.05° / 24.77°  331.11° / 252.61° 
Total:  1093.000 (2186 observations) 

Receiver Clock 
Clock Slips > 15°:  0 
Max RX clock offset:  0.000099 ms (at 2014/05/05 18:10:00.00) 
Num of RX clock resets:  0 
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°:  34375  19329  15046  - 
% obs > 15°:   93.9 %  99.7 %  87.4 %  - 
Num possible obs > 15°:  36599  19378  17221  - 
Num complete obs > 15°:  34041  19329  14712  - 
% complete obs > 15°:   93.0 %  99.7 %  85.4 %  - 
Average # SV per Epoch:  11.9   6.7   5.2   - 
         
Obs L2 : Obs L1:  0.990   1.000   0.978   - 
Obs L5 : Obs L1:  -  -  -  - 

Cycle Slips         
Num cycle slips > 15°:  15  9  6  - 
% slips per complete obs:  0.044 %  0.047 %  0.041 %  - 
Num complete obs per slip:  226940   214767   245200   - 
IOD Slips > 15°:  334  -  334  - 
Outliers > 15°:  -  -  -  - 
LLI L1 : Obs L1:  -  -  -  - 
LLI L2 : Obs L2:  -  -  -  - 
LLI L5 : Obs L5:  -  -  -  - 

Multipath         
MP1 RMS:  0.167 m  0.169 m  0.166 m  - 
MP2 RMS:  0.221 m  0.214 m  0.230 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 99.0 %
N/A N/A
L2P 99.0 %
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 15.12° 56.24° 855 855 (100.0 %)
0 (0.0 %) 0
G2 15.02° 62.24° 572 572 (100.0 %)
0 (0.0 %) 0
G3 15.00° 67.03° 792 792 (100.0 %)
0 (0.0 %) 0
G4 15.12° 84.51° 655 655 (100.0 %)
0 (0.0 %) 0
G7 15.02° 55.53° 708 708 (100.0 %)
0 (0.0 %) 0
G8 15.09° 64.92° 576 576 (100.0 %)
0 (0.0 %) 0
G11 15.04° 61.89° 833 833 (100.0 %)
0 (0.0 %) 1
G12 15.11° 81.53° 697 697 (100.0 %)
0 (0.0 %) 0
G13 15.14° 81.36° 631 629 (99.7 %)
0 (0.0 %) 1
G14 15.07° 62.92° 567 567 (100.0 %)
0 (0.0 %) 0
G15 15.04° 72.56° 777 777 (100.0 %)
0 (0.0 %) 0
G16 15.04° 80.70° 719 719 (100.0 %)
0 (0.0 %) 0
G17 15.06° 59.65° 553 553 (100.0 %)
0 (0.0 %) 0
G18 15.01° 41.61° 802 802 (100.0 %)
0 (0.0 %) 0
G19 15.04° 62.77° 825 825 (100.0 %)
0 (0.0 %) 0
G20 15.02° 76.54° 758 758 (100.0 %)
0 (0.0 %) 0
G21 15.03° 59.61° 585 581 (99.3 %)
0 (0.0 %) 0
G22 15.00° 43.22° 805 805 (100.0 %)
0 (0.0 %) 0
G23 15.00° 67.78° 600 597 (99.5 %)
0 (0.0 %) 5
G24 15.10° 57.55° 844 832 (98.6 %)
0 (0.0 %) 1
G25 15.05° 64.40° 806 806 (100.0 %)
0 (0.0 %) 0
G26 15.01° 55.08° 822 822 (100.0 %)
0 (0.0 %) 1
G27 15.08° 56.61° 855 855 (100.0 %)
0 (0.0 %) 0
G28 15.04° 36.51° 821 821 (100.0 %)
0 (0.0 %) 0
G29 15.08° 81.83° 638 638 (100.0 %)
0 (0.0 %) 0
G31 15.05° 81.64° 643 615 (95.6 %)
0 (0.0 %) 0
G32 15.01° 79.71° 639 639 (100.0 %)
0 (0.0 %) 0
R1 15.02° 75.79° 604 604 (100.0 %)
0 (0.0 %) 1
R2 15.07° 80.38° 529 529 (100.0 %)
0 (0.0 %) 0
R3 15.01° 56.32° 714 714 (100.0 %)
0 (0.0 %) 0
R4 15.01° 63.25° 931 931 (100.0 %)
0 (0.0 %) 0
R5 15.02° 87.34° 763 763 (100.0 %)
0 (0.0 %) 1
R6 15.10° 67.84° 687 687 (100.0 %)
0 (0.0 %) 1
R7 15.04° 47.88° 763 763 (100.0 %)
0 (0.0 %) 0
R8 15.04° 52.87° 739 739 (100.0 %)
0 (0.0 %) 0
R9 15.00° 57.24° 894 889 (99.4 %)
0 (0.0 %) 0
R10 - - 849 0 (0.0 %)
0 (0.0 %) 0
R11 15.01° 87.07° 580 580 (100.0 %)
0 (0.0 %) 0
R12 15.00° 68.69° 630 630 (100.0 %)
0 (0.0 %) 0
R13 15.09° 46.79° 761 761 (100.0 %)
0 (0.0 %) 1
R14 38.52° 51.57° 735 317 (43.1 %)
0 (0.0 %) 0
R15 - - 601 0 (0.0 %)
0 (0.0 %) 0
R16 15.05° 80.43° 722 722 (100.0 %)
0 (0.0 %) 0
R17 15.02° 86.23° 545 541 (99.3 %)
0 (0.0 %) 0
R18 15.01° 69.44° 776 751 (96.8 %)
0 (0.0 %) 1
R19 15.04° 53.67° 1026 1026 (100.0 %)
0 (0.0 %) 0
R20 15.02° 75.74° 907 906 (99.9 %)
0 (0.0 %) 1
R21 15.03° 81.20° 529 529 (100.0 %)
0 (0.0 %) 0
R22 15.05° 58.39° 629 629 (100.0 %)
0 (0.0 %) 0
R23 15.07° 39.77° 711 619 (87.1 %)
0 (0.0 %) 0
R24 15.00° 61.25° 596 416 (69.8 %)
0 (0.0 %) 0

Missing phase observations by satellite > 15°: 
SV Observations Missing L1 Missing L2
G1 2.5 %
0.0 %
0.0 %
G2 1.7 %
0.0 %
0.0 %
G3 2.3 %
0.0 %
0.0 %
G4 1.9 %
0.0 %
0.0 %
G7 2.1 %
0.0 %
0.0 %
G8 1.7 %
0.0 %
0.0 %
G11 2.4 %
0.0 %
0.0 %
G12 2.0 %
0.0 %
0.0 %
G13 1.8 %
0.0 %
0.0 %
G14 1.6 %
0.0 %
0.0 %
G15 2.3 %
0.0 %
0.0 %
G16 2.1 %
0.0 %
0.0 %
G17 1.6 %
0.0 %
0.0 %
G18 2.3 %
0.0 %
0.0 %
G19 2.4 %
0.0 %
0.0 %
G20 2.2 %
0.0 %
0.0 %
G21 1.7 %
0.0 %
0.0 %
G22 2.3 %
0.0 %
0.0 %
G23 1.7 %
0.0 %
0.0 %
G24 2.4 %
0.0 %
0.0 %
G25 2.3 %
0.0 %
0.0 %
G26 2.4 %
0.0 %
0.0 %
G27 2.5 %
0.0 %
0.0 %
G28 2.4 %
0.0 %
0.0 %
G29 1.9 %
0.0 %
0.0 %
G31 1.8 %
0.0 %
0.0 %
G32 1.9 %
0.0 %
0.0 %
R1 1.8 %
0.0 %
4.3 %
R2 1.5 %
0.0 %
0.0 %
R3 2.1 %
0.0 %
0.0 %
R4 2.7 %
0.0 %
0.0 %
R5 2.2 %
0.0 %
0.1 %
R6 2.0 %
0.0 %
0.1 %
R7 2.2 %
0.0 %
0.0 %
R8 2.1 %
0.0 %
0.0 %
R9 2.6 %
0.0 %
26.9 %
R11 1.7 %
0.0 %
10.7 %
R12 1.8 %
0.0 %
0.0 %
R13 2.2 %
0.0 %
0.0 %
R14 0.9 %
0.0 %
0.0 %
R16 2.1 %
0.0 %
0.0 %
R17 1.6 %
0.0 %
0.0 %
R18 2.2 %
0.0 %
0.0 %
R19 3.0 %
0.0 %
0.0 %
R20 2.6 %
0.0 %
0.0 %
R21 1.5 %
0.0 %
0.0 %
R22 1.8 %
0.0 %
0.0 %
R23 1.8 %
0.0 %
0.8 %
R24 1.2 %
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 %
G7 0.0 %
0.0 %
G8 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 %
G31 0.0 %
0.0 %
G32 0.0 %
0.0 %
R1 0.0 %
4.3 %
R2 0.0 %
0.0 %
R3 0.0 %
0.0 %
R4 0.0 %
0.0 %
R5 0.0 %
0.1 %
R6 0.0 %
0.1 %
R7 0.0 %
0.0 %
R8 0.0 %
0.0 %
R9 0.0 %
26.9 %
R11 0.0 %
10.7 %
R12 0.0 %
0.0 %
R13 0.0 %
0.0 %
R14 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 %
0.8 %
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
0.2 %
80 - 85 0
0
0
1.2 %
75 - 80 0
0
0
2.2 %
70 - 75 0
0
0
2.4 %
65 - 70 0
0
0
3.5 %
60 - 65 0
0
0
5.6 %
55 - 60 0
0
0
7.8 %
50 - 55 0
0
0
8.8 %
45 - 50 1
0
0
8.7 %
40 - 45 0
0
0
9.2 %
35 - 40 0
0
0
9.7 %
30 - 35 0
0
0
9.6 %
25 - 30 1
1
0
9.5 %
20 - 25 4
0
0
10.1 %
15 - 20 3
5
0
11.6 %
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 8.2
6.3
- - -
G2 8.3
6.2
- - -
G3 8.4
6.0
- - -
G4 8.4
5.9
- - -
G7 7.9
5.6
- - -
G8 8.2
5.7
- - -
G11 8.4
5.8
- - -
G12 8.4
6.5
- - -
G13 8.4
5.7
- - -
G14 8.1
5.7
- - -
G15 8.4
6.6
- - -
G16 8.4
6.1
- - -
G17 8.4
6.3
- - -
G18 7.6
4.4
- - -
G19 8.3
6.6
- - -
G20 8.2
6.0
- - -
G21 7.6
5.3
- - -
G22 7.6
5.2
- - -
G23 8.5
5.7
- - -
G24 8.2
6.6
- - -
G25 8.2
6.2
- - -
G26 8.3
5.9
- - -
G27 8.4
6.8
- - -
G28 7.7
4.6
- - -
G29 8.4
6.8
- - -
G31 8.5
6.8
- - -
G32 8.3
5.9
- - -
R1 7.5
4.1
- - -
R2 7.7
5.4
- - -
R3 6.8
5.2
- - -
R4 7.4
5.4
- - -
R5 7.6
5.2
- - -
R6 7.5
4.9
- - -
R7 7.6
4.8
- - -
R8 7.6
5.1
- - -
R9 5.9
2.9
- - -
R11 7.3
4.0
- - -
R12 6.3
4.7
- - -
R13 6.4
5.1
- - -
R14 6.4
3.9
- - -
R16 7.0
5.1
- - -
R17 7.8
5.7
- - -
R18 7.6
5.7
- - -
R19 7.8
5.5
- - -
R20 6.2
5.4
- - -
R21 7.4
3.3
- - -
R22 7.3
4.8
- - -
R23 7.5
4.8
- - -
R24 7.5
4.9
- - -
Average GPS: 8.2
6.0
- - -
Average GLONASS: 7.2
4.8
- - -
Average Galileo: - - - - -
Average All: 7.7
5.5
- - -

Code multipath by satellite > 15°: 
SV Av Elev MP1 MP2 MP5 MP5b MP5a+b
G1 35.7 ° 0.18 m
0.19 m
- - -
G2 38.6 ° 0.18 m
0.19 m
- - -
G3 41.0 ° 0.15 m
0.21 m
- - -
G4 49.8 ° 0.15 m
0.19 m
- - -
G7 35.3 ° 0.18 m
0.22 m
- - -
G8 40.0 ° 0.16 m
0.20 m
- - -
G11 38.5 ° 0.20 m
0.20 m
- - -
G12 48.3 ° 0.13 m
0.17 m
- - -
G13 48.3 ° 0.15 m
0.19 m
- - -
G14 39.0 ° 0.19 m
0.36 m
- - -
G15 43.8 ° 0.15 m
0.23 m
- - -
G16 47.9 ° 0.15 m
0.17 m
- - -
G17 37.4 ° 0.19 m
0.20 m
- - -
G18 28.3 ° 0.22 m
0.34 m
- - -
G19 38.9 ° 0.18 m
0.20 m
- - -
G20 45.8 ° 0.13 m
0.17 m
- - -
G21 37.3 ° 0.17 m
0.29 m
- - -
G22 29.1 ° 0.22 m
0.27 m
- - -
G23 41.4 ° 0.13 m
0.17 m
- - -
G24 36.3 ° 0.16 m
0.19 m
- - -
G25 39.7 ° 0.14 m
0.21 m
- - -
G26 35.0 ° 0.18 m
0.23 m
- - -
G27 35.8 ° 0.19 m
0.21 m
- - -
G28 25.8 ° 0.24 m
0.24 m
- - -
G29 48.5 ° 0.14 m
0.20 m
- - -
G31 48.3 ° 0.18 m
0.20 m
- - -
G32 47.4 ° 0.12 m
0.16 m
- - -
R1 45.4 ° 0.15 m
0.23 m
- - -
R2 47.7 ° 0.15 m
0.19 m
- - -
R3 35.7 ° 0.18 m
0.23 m
- - -
R4 39.1 ° 0.21 m
0.27 m
- - -
R5 51.2 ° 0.13 m
0.21 m
- - -
R6 41.5 ° 0.16 m
0.24 m
- - -
R7 31.5 ° 0.17 m
0.20 m
- - -
R8 34.0 ° 0.17 m
0.22 m
- - -
R9 36.1 ° 0.18 m
0.24 m
- - -
R11 51.0 ° 0.12 m
0.14 m
- - -
R12 41.8 ° 0.17 m
0.16 m
- - -
R13 30.9 ° 0.17 m
0.24 m
- - -
R14 45.0 ° 0.18 m
0.19 m
- - -
R16 47.7 ° 0.15 m
0.28 m
- - -
R17 50.6 ° 0.13 m
0.33 m
- - -
R18 42.2 ° 0.15 m
0.26 m
- - -
R19 34.4 ° 0.16 m
0.23 m
- - -
R20 45.4 ° 0.20 m
0.22 m
- - -
R21 48.1 ° 0.17 m
0.18 m
- - -
R22 36.7 ° 0.17 m
0.24 m
- - -
R23 27.4 ° 0.21 m
0.27 m
- - -
R24 38.1 ° 0.17 m
0.28 m
- - -
Average GPS: - 0.17 m
0.21 m
- - -
Average GLONASS: - 0.17 m
0.23 m
- - -
Average Galileo: - - - - - -
Average All: - 0.17 m
0.22 m
- - -

Code multipath by satellite elevation > 15°: 
Elevation MP1 MP2 MP5 MP5b MP5a+b
85 - 90 0.07 m
0.13 m
- - -
80 - 85 0.09 m
0.09 m
- - -
75 - 80 0.12 m
0.14 m
- - -
70 - 75 0.13 m
0.16 m
- - -
65 - 70 0.10 m
0.14 m
- - -
60 - 65 0.11 m
0.14 m
- - -
55 - 60 0.11 m
0.14 m
- - -
50 - 55 0.11 m
0.16 m
- - -
45 - 50 0.14 m
0.18 m
- - -
40 - 45 0.17 m
0.20 m
- - -
35 - 40 0.17 m
0.21 m
- - -
30 - 35 0.19 m
0.26 m
- - -
25 - 30 0.22 m
0.29 m
- - -
20 - 25 0.25 m
0.34 m
- - -
15 - 20 0.24 m
0.34 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  
-  It took 1.7 seconds to process this file 
-  This file was processed using version 4.2.0.10