Leica SpiderQC v4.2 Quality Report


Program Run: 2013/08/14 00:00:08.35

File Details:


Observation File: 02na2250.13o
GPS Navigation File: 02na2250.13n
GLONASS Navigation File: 02na2250.13g
Quality Testing:  Pass 

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):  -4078497.747  4711381.464  -1355918.244 
Approx Position (plh):  12° 21' 21.40835" S  130° 52' 54.22727" E  120.119m 
Diff. Est-Header:  3.2 m dX  6.0 m dY  -0.3 m dZ 
Diff. Est-Header:  6.8 m (2880 estimates) 

Session Summary:


Time of first obs:  2013/08/13 00:00:00.00 GPS 
Time of last obs:  2013/08/13 23:59:30.00 GPS 
Session length:  23.99 hours 
GPS week:  1753, day 2 
Observation interval:  30.00 seconds 
UTC leap seconds:  16 seconds 

Num SVs with obs:  53 
Num SVs with nav:  54 
Total GPS orbits:  176 
Total GLONASS orbits:  311 
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 8 slips, Threshold 46 slips 
Multipath:  Pass  Value 0.18m MP1 / 0.23m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 99.5 %, Threshold 95.0 % 
Navigation Data:  Pass   
     
GLONASS Specific Tests 
Cycle Slips:  Pass  Value 35 slips, Threshold 87 slips 
Multipath:  Pass  Value 0.20m MP1 / 0.33m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 99.7 %, Threshold 90.0 % 
Navigation Data:  Pass   

General Quality Indicators:


Tracking   
Num obs > 0°:  38110 
Num possible obs > 0°:  49809 
Num obs with invalid nav: 
Num obs without nav: 
Num obs to unhealthy SV:  77 
Num obs with WLF change: 
Num complete loss of lock: 

Num obs GPS > 0°:  23338 
Num obs GLONASS > 0°:  14772 
Num obs Galileo > 0°: 
Num obs All > 0°:  38110 

Epochs with < 5 SV > 15°:  (0.0 %) 
Epochs with all SV > 15°:  2815  (97.7 %) 
Epochs with full data > 15°:  2804  (97.4 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.5  7.7  3.4 
GDOP  3.1  9.5  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 
R9  3.000  1036 / 1042  31.46° / 31.46°  272.88° / 272.88° 
G6  16.500  2604 / 2637  15.11° / 21.13°  214.60° / 212.42° 
Total:  19.500 (39 observations) 

Receiver Clock 
Clock Slips > 15°: 
Max RX clock offset:  0.000049 ms (at 2013/08/13 08:51:00.00) 
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°:  37533  22977  14556 
% obs > 15°:   99.6 %  99.5 %  99.8 % 
Num possible obs > 15°:  37675  23087  14588 
Num complete obs > 15°:  37522  22977  14545 
% complete obs > 15°:   99.6 %  99.5 %  99.7 % 
Average # SV per Epoch:  13.0   8.0   5.1  
         
Obs L2 : Obs L1:  1.000   1.000   0.999  
Obs L5 : Obs L1: 

Cycle Slips         
Num cycle slips > 15°:  43  35 
% slips per complete obs:  0.115 %  0.035 %  0.241 % 
Num complete obs per slip:  87260   287213   41557  
IOD Slips > 15°: 
Outliers > 15°: 
LLI L1 : Obs L1:  0.0006   0.0000   0.0014  
LLI L2 : Obs L2:  0.0005   0.0000   0.0013  
LLI L5 : Obs L5: 

Multipath         
MP1 RMS:  0.185 m  0.178 m  0.196 m 
MP2 RMS:  0.271 m  0.229 m  0.331 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 100.0 %
N/A N/A
L2P 100.0 %
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 15.05° 75.71° 630 630 (100.0 %)
0 (0.0 %) 1
G2 15.07° 65.03° 607 607 (100.0 %)
0 (0.0 %) 0
G3 15.01° 58.25° 613 613 (100.0 %)
0 (0.0 %) 0
G4 15.01° 44.76° 840 840 (100.0 %)
0 (0.0 %) 0
G5 15.01° 33.50° 924 924 (100.0 %)
0 (0.0 %) 0
G6 15.06° 74.09° 636 602 (94.7 %)
0 (0.0 %) 1
G7 15.06° 55.87° 898 898 (100.0 %)
0 (0.0 %) 0
G8 15.01° 44.36° 973 973 (100.0 %)
0 (0.0 %) 0
G9 15.01° 33.14° 205 129 (62.9 %)
0 (0.0 %) 0
G10 15.07° 60.01° 599 599 (100.0 %)
0 (0.0 %) 0
G11 15.04° 69.56° 651 651 (100.0 %)
0 (0.0 %) 0
G12 15.00° 58.66° 867 867 (100.0 %)
0 (0.0 %) 0
G13 15.08° 44.33° 982 982 (100.0 %)
0 (0.0 %) 1
G14 15.00° 72.73° 624 624 (100.0 %)
0 (0.0 %) 1
G15 15.01° 44.07° 860 860 (100.0 %)
0 (0.0 %) 0
G16 15.00° 37.51° 888 888 (100.0 %)
0 (0.0 %) 0
G17 15.08° 71.61° 614 614 (100.0 %)
0 (0.0 %) 1
G18 15.00° 87.88° 666 666 (100.0 %)
0 (0.0 %) 0
G19 15.02° 58.67° 592 592 (100.0 %)
0 (0.0 %) 0
G20 15.02° 73.82° 743 743 (100.0 %)
0 (0.0 %) 1
G21 15.00° 49.64° 935 935 (100.0 %)
0 (0.0 %) 0
G22 15.05° 69.42° 765 765 (100.0 %)
0 (0.0 %) 0
G23 15.07° 40.75° 979 979 (100.0 %)
0 (0.0 %) 0
G24 15.01° 81.39° 643 643 (100.0 %)
0 (0.0 %) 0
G25 15.02° 82.58° 673 673 (100.0 %)
0 (0.0 %) 0
G26 15.02° 73.45° 620 620 (100.0 %)
0 (0.0 %) 0
G27 15.05° 71.57° 632 632 (100.0 %)
0 (0.0 %) 1
G28 15.05° 76.35° 668 668 (100.0 %)
0 (0.0 %) 0
G29 15.00° 43.97° 976 976 (100.0 %)
0 (0.0 %) 0
G31 15.01° 46.07° 833 833 (100.0 %)
0 (0.0 %) 0
G32 15.03° 50.83° 951 951 (100.0 %)
0 (0.0 %) 1
R1 15.07° 69.42° 575 575 (100.0 %)
0 (0.0 %) 1
R2 15.01° 83.33° 804 804 (100.0 %)
0 (0.0 %) 0
R3 15.01° 56.52° 1147 1147 (100.0 %)
0 (0.0 %) 0
R4 15.05° 54.80° 689 689 (100.0 %)
0 (0.0 %) 0
R5 15.03° 81.76° 556 556 (100.0 %)
0 (0.0 %) 0
R6 15.02° 70.24° 517 517 (100.0 %)
0 (0.0 %) 0
R7 15.03° 45.15° 631 631 (100.0 %)
0 (0.0 %) 0
R8 15.01° 43.12° 654 654 (100.0 %)
0 (0.0 %) 1
R9 15.03° 32.28° 252 220 (87.3 %)
0 (0.0 %) 20
R11 15.00° 80.13° 549 549 (100.0 %)
0 (0.0 %) 0
R12 15.00° 72.29° 697 697 (100.0 %)
0 (0.0 %) 0
R13 15.06° 45.26° 852 852 (100.0 %)
0 (0.0 %) 1
R15 15.09° 82.56° 546 546 (100.0 %)
0 (0.0 %) 1
R16 15.03° 56.70° 596 596 (100.0 %)
0 (0.0 %) 0
R17 15.02° 72.92° 734 734 (100.0 %)
0 (0.0 %) 1
R18 15.03° 47.01° 654 654 (100.0 %)
0 (0.0 %) 0
R19 15.03° 46.04° 620 620 (100.0 %)
0 (0.0 %) 0
R20 15.05° 71.60° 515 515 (100.0 %)
0 (0.0 %) 9
R21 15.12° 84.51° 546 546 (100.0 %)
0 (0.0 %) 0
R22 15.00° 58.16° 597 597 (100.0 %)
0 (0.0 %) 0
R23 15.04° 39.90° 1022 1022 (100.0 %)
0 (0.0 %) 0
R24 15.02° 79.43° 835 835 (100.0 %)
0 (0.0 %) 1

Missing phase observations by satellite > 15°: 
SV Observations Missing L1 Missing L2
G1 1.7 %
0.0 %
0.0 %
G2 1.6 %
0.0 %
0.0 %
G3 1.6 %
0.0 %
0.0 %
G4 2.2 %
0.0 %
0.0 %
G5 2.5 %
0.0 %
0.0 %
G6 1.6 %
0.0 %
0.0 %
G7 2.4 %
0.0 %
0.0 %
G8 2.6 %
0.0 %
0.0 %
G9 0.3 %
0.0 %
0.0 %
G10 1.6 %
0.0 %
0.0 %
G11 1.7 %
0.0 %
0.0 %
G12 2.3 %
0.0 %
0.0 %
G13 2.6 %
0.0 %
0.0 %
G14 1.7 %
0.0 %
0.0 %
G15 2.3 %
0.0 %
0.0 %
G16 2.4 %
0.0 %
0.0 %
G17 1.6 %
0.0 %
0.0 %
G18 1.8 %
0.0 %
0.0 %
G19 1.6 %
0.0 %
0.0 %
G20 2.0 %
0.0 %
0.0 %
G21 2.5 %
0.0 %
0.0 %
G22 2.0 %
0.0 %
0.0 %
G23 2.6 %
0.0 %
0.0 %
G24 1.7 %
0.0 %
0.0 %
G25 1.8 %
0.0 %
0.0 %
G26 1.7 %
0.0 %
0.0 %
G27 1.7 %
0.0 %
0.0 %
G28 1.8 %
0.0 %
0.0 %
G29 2.6 %
0.0 %
0.0 %
G31 2.2 %
0.0 %
0.0 %
G32 2.5 %
0.0 %
0.0 %
R1 1.5 %
0.0 %
0.0 %
R2 2.1 %
0.0 %
0.0 %
R3 3.1 %
0.0 %
0.0 %
R4 1.8 %
0.0 %
0.0 %
R5 1.5 %
0.0 %
0.0 %
R6 1.4 %
0.0 %
0.0 %
R7 1.7 %
0.0 %
0.0 %
R8 1.7 %
0.0 %
0.0 %
R9 0.6 %
0.0 %
4.5 %
R11 1.5 %
0.0 %
0.0 %
R12 1.9 %
0.0 %
0.0 %
R13 2.3 %
0.0 %
0.0 %
R15 1.5 %
0.0 %
0.0 %
R16 1.6 %
0.0 %
0.0 %
R17 2.0 %
0.0 %
0.0 %
R18 1.7 %
0.0 %
0.0 %
R19 1.7 %
0.0 %
0.0 %
R20 1.4 %
0.2 %
0.0 %
R21 1.5 %
0.0 %
0.0 %
R22 1.6 %
0.0 %
0.0 %
R23 2.7 %
0.0 %
0.0 %
R24 2.2 %
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 %
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 %
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 %
4.5 %
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 0.2 %
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
0.1 %
80 - 85 0
0
0
0.8 %
75 - 80 0
0
0
1.4 %
70 - 75 0
0
0
3.0 %
65 - 70 0
0
0
3.6 %
60 - 65 0
0
0
3.2 %
55 - 60 0
0
0
5.0 %
50 - 55 0
0
0
5.4 %
45 - 50 0
0
0
6.3 %
40 - 45 0
0
0
10.1 %
35 - 40 0
0
0
9.9 %
30 - 35 0
19
0
11.9 %
25 - 30 1
0
0
13.1 %
20 - 25 2
8
0
12.3 %
15 - 20 5
8
0
14.0 %
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
7.1
- - -
G2 8.6
6.8
- - -
G3 8.4
6.0
- - -
G4 7.9
5.2
- - -
G5 7.9
6.1
- - -
G6 8.4
6.5
- - -
G7 8.4
6.5
- - -
G8 8.2
5.8
- - -
G9 7.9
5.2
- - -
G10 8.4
6.2
- - -
G11 8.5
6.2
- - -
G12 8.4
6.6
- - -
G13 8.2
5.3
- - -
G14 8.3
6.3
- - -
G15 8.1
6.0
- - -
G16 7.7
5.0
- - -
G17 8.6
7.1
- - -
G18 8.5
6.3
- - -
G19 8.4
6.7
- - -
G20 8.4
6.5
- - -
G21 7.7
5.5
- - -
G22 8.5
6.7
- - -
G23 8.5
5.7
- - -
G24 8.3
7.1
- - -
G25 8.3
6.8
- - -
G26 8.5
6.6
- - -
G27 8.5
7.2
- - -
G28 8.5
6.4
- - -
G29 8.2
6.5
- - -
G31 8.1
6.0
- - -
G32 8.1
5.7
- - -
R1 7.8
5.3
- - -
R2 8.1
7.0
- - -
R3 7.3
6.8
- - -
R4 7.8
6.9
- - -
R5 8.3
6.4
- - -
R6 8.3
7.3
- - -
R7 7.6
6.5
- - -
R8 7.5
6.4
- - -
R9 7.4
5.4
- - -
R11 7.5
5.4
- - -
R12 7.2
6.0
- - -
R13 7.5
6.6
- - -
R15 7.6
6.8
- - -
R16 7.5
6.7
- - -
R17 8.3
7.2
- - -
R18 7.5
6.5
- - -
R19 7.5
6.4
- - -
R20 6.8
7.2
- - -
R21 7.7
5.4
- - -
R22 8.0
7.2
- - -
R23 7.7
6.6
- - -
R24 8.2
7.3
- - -
Average GPS: 8.3
6.2
- - -
Average GLONASS: 7.7
6.5
- - -
Average Galileo: - - - - -
Average All: 8.0
6.4
- - -

Code multipath by satellite > 15°: 
SV Av Elev MP1 MP2 MP5 MP5b MP5a+b
G1 45.4 ° 0.16 m
0.22 m
- - -
G2 40.0 ° 0.19 m
0.25 m
- - -
G3 36.6 ° 0.15 m
0.24 m
- - -
G4 29.9 ° 0.20 m
0.33 m
- - -
G5 24.3 ° 0.22 m
0.32 m
- - -
G6 44.6 ° 0.13 m
0.16 m
- - -
G7 35.5 ° 0.18 m
0.22 m
- - -
G8 29.7 ° 0.18 m
0.22 m
- - -
G9 24.1 ° 0.30 m
0.36 m
- - -
G10 37.5 ° 0.16 m
0.24 m
- - -
G11 42.3 ° 0.14 m
0.19 m
- - -
G12 36.8 ° 0.19 m
0.22 m
- - -
G13 29.7 ° 0.18 m
0.20 m
- - -
G14 43.9 ° 0.18 m
0.18 m
- - -
G15 29.5 ° 0.18 m
0.23 m
- - -
G16 26.3 ° 0.21 m
0.27 m
- - -
G17 43.3 ° 0.21 m
0.29 m
- - -
G18 51.4 ° 0.17 m
0.23 m
- - -
G19 36.8 ° 0.17 m
0.20 m
- - -
G20 44.4 ° 0.16 m
0.19 m
- - -
G21 32.3 ° 0.19 m
0.21 m
- - -
G22 42.2 ° 0.18 m
0.21 m
- - -
G23 27.9 ° 0.16 m
0.23 m
- - -
G24 48.2 ° 0.13 m
0.15 m
- - -
G25 48.8 ° 0.16 m
0.20 m
- - -
G26 44.2 ° 0.17 m
0.19 m
- - -
G27 43.3 ° 0.15 m
0.16 m
- - -
G28 45.7 ° 0.19 m
0.28 m
- - -
G29 29.5 ° 0.17 m
0.22 m
- - -
G31 30.5 ° 0.19 m
0.27 m
- - -
G32 32.9 ° 0.16 m
0.24 m
- - -
R1 42.2 ° 0.24 m
0.24 m
- - -
R2 49.2 ° 0.16 m
0.26 m
- - -
R3 35.8 ° 0.25 m
0.35 m
- - -
R4 34.9 ° 0.20 m
0.37 m
- - -
R5 48.4 ° 0.16 m
0.37 m
- - -
R6 42.6 ° 0.15 m
0.34 m
- - -
R7 30.1 ° 0.22 m
0.38 m
- - -
R8 29.1 ° 0.23 m
0.38 m
- - -
R9 23.7 ° 0.24 m
0.44 m
- - -
R11 47.6 ° 0.15 m
0.21 m
- - -
R12 43.6 ° 0.18 m
0.28 m
- - -
R13 30.2 ° 0.16 m
0.28 m
- - -
R15 48.8 ° 0.19 m
0.24 m
- - -
R16 35.9 ° 0.23 m
0.42 m
- - -
R17 44.0 ° 0.13 m
0.21 m
- - -
R18 31.0 ° 0.17 m
0.33 m
- - -
R19 30.5 ° 0.22 m
0.48 m
- - -
R20 43.3 ° 0.23 m
0.36 m
- - -
R21 49.8 ° 0.19 m
0.36 m
- - -
R22 36.6 ° 0.18 m
0.36 m
- - -
R23 27.5 ° 0.20 m
0.37 m
- - -
R24 47.2 ° 0.21 m
0.25 m
- - -
Average GPS: - 0.18 m
0.23 m
- - -
Average GLONASS: - 0.20 m
0.33 m
- - -
Average Galileo: - - - - - -
Average All: - 0.19 m
0.27 m
- - -

Code multipath by satellite elevation > 15°: 
Elevation MP1 MP2 MP5 MP5b MP5a+b
85 - 90 0.13 m
0.16 m
- - -
80 - 85 0.08 m
0.10 m
- - -
75 - 80 0.08 m
0.14 m
- - -
70 - 75 0.09 m
0.13 m
- - -
65 - 70 0.09 m
0.14 m
- - -
60 - 65 0.11 m
0.14 m
- - -
55 - 60 0.10 m
0.16 m
- - -
50 - 55 0.13 m
0.17 m
- - -
45 - 50 0.12 m
0.19 m
- - -
40 - 45 0.14 m
0.19 m
- - -
35 - 40 0.16 m
0.23 m
- - -
30 - 35 0.18 m
0.28 m
- - -
25 - 30 0.22 m
0.31 m
- - -
20 - 25 0.27 m
0.39 m
- - -
15 - 20 0.31 m
0.44 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