Leica SpiderQC v4.2 Quality Report


Program Run: 2014/08/09 00:10:56.69

File Details:


Observation File: oliv2200.14o
GPS Navigation File: oliv2200.14n
GLONASS Navigation File: oliv2200.14g
Quality Testing:  Fail (See below for details) 

Station Details:


Marker Name/Number:  OLIV  OLIV   
Observer/Agency:       
Receiver #/Type/Vers:  495390  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):  5439104.551  -1348931.929  3036195.214 
Approx Position (plh):  28° 36' 37.50521" N  13° 55' 43.24564" W  270.506m 
Diff. Est-Header:  2.5 m dX  -7.0 m dY  4.1 m dZ 
Diff. Est-Header:  8.5 m (2880 estimates) 

Session Summary:


Time of first obs:  2014/08/08 00:00:00.00 GPS 
Time of last obs:  2014/08/08 23:59:30.00 GPS 
Session length:  23.99 hours 
GPS week:  1804, day 5 
Observation interval:  30.00 seconds 
UTC leap seconds:  16 seconds 

Num SVs with obs:  54 
Num SVs with nav:  55 
Total GPS orbits:  179 
Total GLONASS orbits:  383 
Total Galileo orbits:  0 
SVs with obs:  G1 G2 G4 G5 G6 G7 G8 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 obs:  G3 G9 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 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:  G9  
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 25 slips, Threshold 43 slips 
Multipath:  Pass  Value 0.13m MP1 / 0.18m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 95.0 % 
Navigation Data:  Pass   
     
GLONASS Specific Tests 
Cycle Slips:  Fail  Value 223 slips, Threshold 104 slips 
Multipath:  Fail  Value 2.76m MP1 / 3.69m MP2, Threshold 0.5 m 
Data Completeness:  Fail  Value 41.7 %, Threshold 90.0 % 
Navigation Data:  Pass   

General Quality Indicators:


Tracking   
Num obs > 0°:  43782 
Num possible obs > 0°:  51564 
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°:  24319 
Num obs GLONASS > 0°:  19463 
Num obs Galileo > 0°:  0 
Num obs All > 0°:  43782 

Epochs with < 5 SV > 15°:  0  (0.0 %) 
Epochs with all SV > 15°:  2879  (100.0 %) 
Epochs with full data > 15°:  37  (1.3 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.7  6.1  3.5 
GDOP  3.2  7.5  4.3 

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 
None   

Receiver Clock 
Clock Slips > 15°:  0 
Max RX clock offset:  0.000037 ms (at 2014/08/08 09:05:30.00) 
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°:  38914  21655  17259  - 
% obs > 15°:   100.0 %  100.0 %  100.0 %  - 
Num possible obs > 15°:  38915  21655  17260  - 
Num complete obs > 15°:  28844  21649  7195  - 
% complete obs > 15°:   74.1 %  100.0 %  41.7 %  - 
Average # SV per Epoch:  13.5   7.5   6.0   - 
         
Obs L2 : Obs L1:  0.741   1.000   0.417   - 
Obs L5 : Obs L1:  -  -  -  - 

Cycle Slips         
Num cycle slips > 15°:  248  25  223  - 
% slips per complete obs:  0.860 %  0.115 %  3.099 %  - 
Num complete obs per slip:  11631   86596   3226   - 
IOD Slips > 15°:  10785  6  10779  - 
Outliers > 15°:  -  -  -  - 
LLI L1 : Obs L1:  -  -  -  - 
LLI L2 : Obs L2:  0.0009   0.0001   0.0031   - 
LLI L5 : Obs L5:  -  -  -  - 

Multipath         
MP1 RMS:  1.079 m  0.127 m  2.759 m  - 
MP2 RMS:  1.451 m  0.182 m  3.689 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 74.1 %
N/A N/A
L2P 81.3 %
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° 55.71° 850 850 (100.0 %)
0 (0.0 %) 5
G2 15.02° 63.75° 587 587 (100.0 %)
0 (0.0 %) 2
G4 15.04° 73.49° 769 769 (100.0 %)
0 (0.0 %) 0
G5 15.06° 84.55° 708 708 (100.0 %)
0 (0.0 %) 1
G6 15.01° 84.18° 658 658 (100.0 %)
0 (0.0 %) 0
G7 15.06° 54.27° 731 731 (100.0 %)
0 (0.0 %) 0
G8 15.00° 57.75° 708 708 (100.0 %)
0 (0.0 %) 6
G10 15.02° 62.74° 823 823 (100.0 %)
0 (0.0 %) 1
G11 15.00° 61.47° 827 827 (100.0 %)
0 (0.0 %) 3
G12 15.04° 83.09° 689 689 (100.0 %)
0 (0.0 %) 0
G13 15.02° 78.84° 632 632 (100.0 %)
0 (0.0 %) 0
G14 15.00° 63.10° 569 569 (100.0 %)
0 (0.0 %) 0
G15 15.09° 72.85° 776 776 (100.0 %)
0 (0.0 %) 0
G16 15.10° 78.97° 718 718 (100.0 %)
0 (0.0 %) 1
G17 15.06° 61.42° 569 569 (100.0 %)
0 (0.0 %) 0
G18 15.01° 41.30° 803 803 (100.0 %)
0 (0.0 %) 1
G19 15.03° 61.40° 823 823 (100.0 %)
0 (0.0 %) 1
G20 15.12° 74.67° 760 760 (100.0 %)
0 (0.0 %) 0
G21 15.02° 60.70° 590 590 (100.0 %)
0 (0.0 %) 1
G22 15.01° 43.86° 792 792 (100.0 %)
0 (0.0 %) 0
G23 15.07° 69.49° 616 616 (100.0 %)
0 (0.0 %) 0
G24 15.05° 56.82° 848 848 (100.0 %)
0 (0.0 %) 0
G25 15.01° 65.69° 799 799 (100.0 %)
0 (0.0 %) 1
G26 15.07° 54.77° 824 824 (100.0 %)
0 (0.0 %) 1
G27 15.00° 56.05° 850 850 (100.0 %)
0 (0.0 %) 1
G28 15.04° 36.24° 821 821 (100.0 %)
0 (0.0 %) 0
G29 15.07° 82.01° 638 638 (100.0 %)
0 (0.0 %) 0
G30 15.03° 66.07° 591 591 (100.0 %)
0 (0.0 %) 0
G31 15.05° 84.25° 653 653 (100.0 %)
0 (0.0 %) 0
G32 15.00° 80.34° 633 633 (100.0 %)
0 (0.0 %) 0
R1 15.11° 80.23° 531 531 (100.0 %)
0 (0.0 %) 0
R2 15.01° 56.56° 638 638 (100.0 %)
0 (0.0 %) 4
R3 15.05° 39.83° 711 711 (100.0 %)
0 (0.0 %) 3
R4 15.01° 62.87° 540 540 (100.0 %)
0 (0.0 %) 3
R5 15.07° 87.00° 549 549 (100.0 %)
0 (0.0 %) 14
R6 15.06° 67.97° 989 989 (100.0 %)
0 (0.0 %) 25
R7 15.13° 52.70° 1030 1030 (100.0 %)
0 (0.0 %) 2
R8 15.06° 74.67° 762 762 (100.0 %)
0 (0.0 %) 2
R9 15.01° 62.58° 930 930 (100.0 %)
0 (0.0 %) 0
R10 15.04° 86.71° 685 685 (100.0 %)
0 (0.0 %) 0
R11 15.09° 68.77° 622 622 (100.0 %)
0 (0.0 %) 1
R12 15.00° 47.60° 761 761 (100.0 %)
0 (0.0 %) 2
R13 15.02° 52.05° 735 735 (100.0 %)
0 (0.0 %) 2
R14 15.01° 73.70° 597 597 (100.0 %)
0 (0.0 %) 0
R15 15.03° 82.33° 551 551 (100.0 %)
0 (0.0 %) 19
R16 15.05° 56.44° 882 882 (100.0 %)
0 (0.0 %) 27
R17 15.08° 69.66° 625 625 (100.0 %)
0 (0.0 %) 2
R18 15.09° 48.46° 759 759 (100.0 %)
0 (0.0 %) 25
R19 15.02° 52.76° 734 734 (100.0 %)
0 (0.0 %) 2
R20 15.03° 74.92° 632 631 (99.8 %)
0 (0.0 %) 26
R21 15.02° 82.06° 852 852 (100.0 %)
0 (0.0 %) 2
R22 15.13° 58.67° 931 931 (100.0 %)
0 (0.0 %) 34
R23 15.01° 62.03° 674 674 (100.0 %)
0 (0.0 %) 15
R24 15.06° 85.28° 540 540 (100.0 %)
0 (0.0 %) 13

Missing phase observations by satellite > 15°: 
SV Observations Missing L1 Missing L2
G1 2.2 %
0.1 %
0.1 %
G2 1.5 %
0.0 %
0.0 %
G4 2.0 %
0.0 %
0.0 %
G5 1.8 %
0.0 %
0.1 %
G6 1.7 %
0.0 %
0.0 %
G7 1.9 %
0.0 %
0.0 %
G8 1.8 %
0.0 %
0.4 %
G10 2.1 %
0.0 %
0.0 %
G11 2.1 %
0.0 %
0.0 %
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 1.8 %
0.0 %
0.0 %
G17 1.5 %
0.0 %
0.0 %
G18 2.1 %
0.0 %
0.0 %
G19 2.1 %
0.0 %
0.0 %
G20 2.0 %
0.0 %
0.0 %
G21 1.5 %
0.0 %
0.0 %
G22 2.0 %
0.0 %
0.0 %
G23 1.6 %
0.0 %
0.0 %
G24 2.2 %
0.0 %
0.0 %
G25 2.1 %
0.0 %
0.1 %
G26 2.1 %
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 1.6 %
0.0 %
0.0 %
R1 1.4 %
0.0 %
98.1 %
R2 1.6 %
0.0 %
47.2 %
R3 1.8 %
0.0 %
72.4 %
R4 1.4 %
0.0 %
63.9 %
R5 1.4 %
0.0 %
25.0 %
R6 2.5 %
0.0 %
55.4 %
R7 2.6 %
0.0 %
51.7 %
R8 2.0 %
0.1 %
69.8 %
R9 2.4 %
0.0 %
100.0 %
R10 1.8 %
0.3 %
99.3 %
R11 1.6 %
0.0 %
98.6 %
R12 2.0 %
0.0 %
75.4 %
R13 1.9 %
0.0 %
27.3 %
R14 1.5 %
0.0 %
99.5 %
R15 1.4 %
0.0 %
34.3 %
R16 2.3 %
0.0 %
40.2 %
R17 1.6 %
0.0 %
54.7 %
R18 2.0 %
0.0 %
19.8 %
R19 1.9 %
0.0 %
59.1 %
R20 1.6 %
0.0 %
30.4 %
R21 2.2 %
0.0 %
64.9 %
R22 2.4 %
0.0 %
27.3 %
R23 1.7 %
0.0 %
59.6 %
R24 1.4 %
0.0 %
31.5 %

Missing code observations by satellite > 15°: 
SV Missing C1 Missing C2P
G1 0.0 %
0.1 %
G2 0.0 %
0.0 %
G4 0.0 %
0.0 %
G5 0.0 %
0.1 %
G6 0.0 %
0.0 %
G7 0.0 %
0.0 %
G8 0.0 %
0.4 %
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 %
0.1 %
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 %
81.2 %
R2 0.0 %
36.8 %
R3 0.0 %
29.0 %
R4 0.0 %
33.0 %
R5 0.0 %
18.8 %
R6 0.0 %
51.1 %
R7 0.0 %
28.0 %
R8 0.0 %
36.7 %
R9 0.0 %
100.0 %
R10 0.0 %
98.8 %
R11 0.0 %
87.1 %
R12 0.0 %
69.5 %
R13 0.0 %
16.5 %
R14 0.0 %
99.3 %
R15 0.0 %
32.3 %
R16 0.0 %
35.0 %
R17 0.0 %
24.3 %
R18 0.0 %
11.2 %
R19 0.0 %
14.6 %
R20 0.0 %
11.4 %
R21 0.0 %
25.6 %
R22 0.0 %
21.4 %
R23 0.0 %
34.9 %
R24 0.0 %
21.3 %

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
2
0
1.3 %
75 - 80 0
4
0
1.8 %
70 - 75 0
8
0
2.9 %
65 - 70 0
17
0
3.6 %
60 - 65 0
22
0
5.6 %
55 - 60 0
22
0
7.1 %
50 - 55 1
20
0
8.8 %
45 - 50 0
20
0
8.7 %
40 - 45 1
30
0
8.7 %
35 - 40 0
38
0
9.6 %
30 - 35 2
17
0
9.9 %
25 - 30 3
9
0
9.4 %
20 - 25 5
9
0
10.1 %
15 - 20 13
5
0
12.2 %
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
5.1
- - -
G2 8.4
4.8
- - -
G4 8.5
4.7
- - -
G5 8.5
5.3
- - -
G6 8.4
5.4
- - -
G7 8.2
4.4
- - -
G8 8.2
4.0
- - -
G10 8.4
4.4
- - -
G11 8.5
4.5
- - -
G12 8.6
5.3
- - -
G13 8.5
4.5
- - -
G14 8.2
4.3
- - -
G15 8.5
5.2
- - -
G16 8.4
4.6
- - -
G17 8.5
5.1
- - -
G18 7.9
3.3
- - -
G19 8.5
5.1
- - -
G20 8.4
4.8
- - -
G21 8.0
4.0
- - -
G22 8.1
4.1
- - -
G23 8.6
4.5
- - -
G24 8.3
5.2
- - -
G25 8.3
4.8
- - -
G26 8.5
4.5
- - -
G27 8.5
5.4
- - -
G28 7.8
3.5
- - -
G29 8.6
5.4
- - -
G30 8.5
4.9
- - -
G31 8.6
5.3
- - -
G32 8.4
4.7
- - -
R1 8.0
1.3
- - -
R2 7.9
2.9
- - -
R3 7.3
2.8
- - -
R4 7.8
3.1
- - -
R5 8.3
3.2
- - -
R6 8.3
2.7
- - -
R7 8.0
3.0
- - -
R8 7.9
2.9
- - -
R9 6.3
- - - -
R10 7.9
1.8
- - -
R11 7.6
1.4
- - -
R12 6.6
2.3
- - -
R13 7.3
2.9
- - -
R14 6.5
1.7
- - -
R15 7.5
3.0
- - -
R16 7.4
2.7
- - -
R17 8.3
3.1
- - -
R18 8.2
3.0
- - -
R19 8.0
2.9
- - -
R20 6.6
3.2
- - -
R21 7.8
3.1
- - -
R22 8.1
3.1
- - -
R23 8.0
3.0
- - -
R24 7.7
3.2
- - -
Average GPS: 8.4
4.7
- - -
Average GLONASS: 7.6
2.7
- - -
Average Galileo: - - - - -
Average All: 8.0
3.8
- - -

Code multipath by satellite > 15°: 
SV Av Elev MP1 MP2 MP5 MP5b MP5a+b
G1 35.4 ° 0.10 m
0.14 m
- - -
G2 39.4 ° 0.11 m
0.11 m
- - -
G4 44.3 ° 0.10 m
0.17 m
- - -
G5 49.8 ° 0.11 m
0.17 m
- - -
G6 49.6 ° 0.09 m
0.13 m
- - -
G7 34.7 ° 0.15 m
0.23 m
- - -
G8 36.4 ° 0.15 m
0.22 m
- - -
G10 38.9 ° 0.11 m
0.17 m
- - -
G11 38.2 ° 0.10 m
0.17 m
- - -
G12 49.1 ° 0.13 m
0.15 m
- - -
G13 46.9 ° 0.14 m
0.21 m
- - -
G14 39.1 ° 0.13 m
0.19 m
- - -
G15 44.0 ° 0.14 m
0.15 m
- - -
G16 47.0 ° 0.11 m
0.16 m
- - -
G17 38.2 ° 0.12 m
0.12 m
- - -
G18 28.2 ° 0.20 m
0.27 m
- - -
G19 38.2 ° 0.10 m
0.17 m
- - -
G20 44.9 ° 0.13 m
0.21 m
- - -
G21 37.9 ° 0.14 m
0.22 m
- - -
G22 29.4 ° 0.17 m
0.25 m
- - -
G23 42.3 ° 0.11 m
0.21 m
- - -
G24 35.9 ° 0.13 m
0.17 m
- - -
G25 40.3 ° 0.17 m
0.17 m
- - -
G26 34.9 ° 0.11 m
0.15 m
- - -
G27 35.5 ° 0.09 m
0.14 m
- - -
G28 25.6 ° 0.18 m
0.27 m
- - -
G29 48.5 ° 0.13 m
0.17 m
- - -
G30 40.5 ° 0.13 m
0.20 m
- - -
G31 49.6 ° 0.13 m
0.16 m
- - -
G32 47.7 ° 0.12 m
0.23 m
- - -
R1 - - - - - -
R2 35.8 ° 5.91 m
7.91 m
- - -
R3 - - - - - -
R4 38.9 ° 2.22 m
3.00 m
- - -
R5 51.0 ° 0.05 m
0.10 m
- - -
R6 41.5 ° 0.04 m
0.10 m
- - -
R7 33.9 ° 2.79 m
3.72 m
- - -
R8 44.9 ° 2.02 m
2.69 m
- - -
R9 - - - - - -
R10 - - - - - -
R11 - - - - - -
R12 31.3 ° 4.60 m
6.17 m
- - -
R13 33.5 ° 9.53 m
12.63 m
- - -
R14 - - - - - -
R15 48.7 ° 0.07 m
0.11 m
- - -
R16 35.7 ° 0.07 m
0.10 m
- - -
R17 42.4 ° 3.13 m
4.20 m
- - -
R18 31.8 ° 1.31 m
1.76 m
- - -
R19 33.9 ° 9.17 m
12.20 m
- - -
R20 45.0 ° 0.20 m
0.35 m
- - -
R21 48.5 ° 5.56 m
7.38 m
- - -
R22 36.9 ° 0.07 m
0.10 m
- - -
R23 - - - - - -
R24 50.2 ° 0.16 m
0.18 m
- - -
Average GPS: - 0.13 m
0.18 m
- - -
Average GLONASS: - 2.76 m
3.69 m
- - -
Average Galileo: - - - - - -
Average All: - 1.08 m
1.45 m
- - -

Code multipath by satellite elevation > 15°: 
Elevation MP1 MP2 MP5 MP5b MP5a+b
85 - 90 0.04 m
0.10 m
- - -
80 - 85 0.52 m
0.69 m
- - -
75 - 80 0.44 m
0.58 m
- - -
70 - 75 0.33 m
0.45 m
- - -
65 - 70 0.47 m
0.64 m
- - -
60 - 65 0.13 m
0.19 m
- - -
55 - 60 0.26 m
0.36 m
- - -
50 - 55 0.91 m
1.22 m
- - -
45 - 50 0.96 m
1.29 m
- - -
40 - 45 1.10 m
1.49 m
- - -
35 - 40 1.06 m
1.42 m
- - -
30 - 35 0.56 m
0.75 m
- - -
25 - 30 0.34 m
0.45 m
- - -
20 - 25 0.21 m
0.28 m
- - -
15 - 20 0.22 m
0.35 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