Leica SpiderQC v4.2 Quality Report


Program Run: 2013/12/13 00:10:05.80

File Details:


Observation File: oliv3460.13o
GPS Navigation File: oliv3460.13n
GLONASS Navigation File: oliv3460.13g
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:  3.8 m dX  -8.1 m dY  9.1 m dZ 
Diff. Est-Header:  12.8 m (2880 estimates) 

Session Summary:


Time of first obs:  2013/12/12 00:00:00.00 GPS 
Time of last obs:  2013/12/12 23:59:30.00 GPS 
Session length:  23.99 hours 
GPS week:  1770, day 4 
Observation interval:  30.00 seconds 
UTC leap seconds:  16 seconds 

Num SVs with obs:  55 
Num SVs with nav:  55 
Total GPS orbits:  190 
Total GLONASS orbits:  383 
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 R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24  
SVs without obs:  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 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:  G30  
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 13 slips, Threshold 45 slips 
Multipath:  Pass  Value 0.13m MP1 / 0.21m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 99.5 %, Threshold 95.0 % 
Navigation Data:  Pass   
     
GLONASS Specific Tests 
Cycle Slips:  Fail  Value 144 slips, Threshold 103 slips 
Multipath:  Fail  Value 4.52m MP1 / 6.01m MP2, Threshold 0.5 m 
Data Completeness:  Fail  Value 32.5 %, Threshold 90.0 % 
Navigation Data:  Pass   

General Quality Indicators:


Tracking   
Num obs > 0°:  44573 
Num possible obs > 0°:  52497 
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°:  25125 
Num obs GLONASS > 0°:  19448 
Num obs Galileo > 0°: 
Num obs All > 0°:  44573 

Epochs with < 5 SV > 15°:  (0.0 %) 
Epochs with all SV > 15°:  2799  (97.2 %) 
Epochs with full data > 15°:  (0.1 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.7  5.6  3.5 
GDOP  3.1  6.9  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 
G1  36.500  1728 / 1801  31.11° / 19.49°  109.21° / 123.24° 
Total:  36.500 (73 observations) 

Receiver Clock 
Clock Slips > 15°: 
Max RX clock offset:  0.000071 ms (at 2013/12/12 14:22:00.00) 
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°:  39542  22303  17239 
% obs > 15°:   99.8 %  99.6 %  100.0 % 
Num possible obs > 15°:  39623  22384  17239 
Num complete obs > 15°:  27874  22271  5603 
% complete obs > 15°:   70.3 %  99.5 %  32.5 % 
Average # SV per Epoch:  13.7   7.7   6.0  
         
Obs L2 : Obs L1:  0.705   0.999   0.325  
Obs L5 : Obs L1: 

Cycle Slips         
Num cycle slips > 15°:  157  13  144 
% slips per complete obs:  0.563 %  0.058 %  2.570 % 
Num complete obs per slip:  17754   171315   3891  
IOD Slips > 15°:  12110  25  12085 
Outliers > 15°: 
LLI L1 : Obs L1: 
LLI L2 : Obs L2:  0.0005   0.0001   0.0021  
LLI L5 : Obs L5: 

Multipath         
MP1 RMS:  1.429 m  0.134 m  4.518 m 
MP2 RMS:  1.922 m  0.209 m  6.006 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 70.5 %
N/A N/A
L2P 77.4 %
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 15.15° 55.81° 823 749 (91.0 %)
0 (0.0 %) 0
G2 15.01° 62.52° 572 572 (100.0 %)
0 (0.0 %) 0
G3 15.04° 64.12° 800 800 (100.0 %)
0 (0.0 %) 1
G4 15.02° 85.54° 660 660 (100.0 %)
0 (0.0 %) 0
G5 15.04° 85.35° 703 696 (99.0 %)
0 (0.0 %) 2
G6 15.05° 57.08° 853 853 (100.0 %)
0 (0.0 %) 1
G7 15.00° 55.94° 700 700 (100.0 %)
0 (0.0 %) 0
G8 15.04° 67.92° 588 588 (100.0 %)
0 (0.0 %) 0
G9 15.07° 75.51° 598 598 (100.0 %)
0 (0.0 %) 0
G10 15.07° 61.73° 820 820 (100.0 %)
0 (0.0 %) 2
G11 15.14° 61.24° 828 828 (100.0 %)
0 (0.0 %) 1
G12 15.08° 81.83° 705 705 (100.0 %)
0 (0.0 %) 1
G13 15.01° 82.63° 636 636 (100.0 %)
0 (0.0 %) 0
G14 15.05° 61.66° 570 570 (100.0 %)
0 (0.0 %) 0
G15 15.04° 72.69° 785 785 (100.0 %)
0 (0.0 %) 0
G16 15.09° 80.46° 712 712 (100.0 %)
0 (0.0 %) 1
G17 15.14° 59.73° 553 553 (100.0 %)
0 (0.0 %) 0
G18 15.08° 41.78° 808 808 (100.0 %)
0 (0.0 %) 0
G19 15.03° 63.63° 814 814 (100.0 %)
0 (0.0 %) 0
G20 15.06° 74.85° 759 759 (100.0 %)
0 (0.0 %) 1
G21 15.07° 58.55° 580 580 (100.0 %)
0 (0.0 %) 2
G22 15.03° 41.90° 811 811 (100.0 %)
0 (0.0 %) 0
G23 15.14° 70.42° 609 609 (100.0 %)
0 (0.0 %) 0
G24 15.10° 57.15° 855 855 (100.0 %)
0 (0.0 %) 0
G25 15.02° 63.93° 819 819 (100.0 %)
0 (0.0 %) 0
G26 15.06° 54.44° 825 825 (100.0 %)
0 (0.0 %) 0
G27 15.08° 56.21° 849 849 (100.0 %)
0 (0.0 %) 1
G28 15.00° 36.30° 822 822 (100.0 %)
0 (0.0 %) 0
G29 15.05° 78.93° 628 628 (100.0 %)
0 (0.0 %) 0
G31 15.04° 84.43° 654 654 (100.0 %)
0 (0.0 %) 0
G32 15.01° 83.14° 645 645 (100.0 %)
0 (0.0 %) 0
R1 15.03° 75.33° 654 654 (100.0 %)
0 (0.0 %) 0
R2 15.03° 80.74° 862 862 (100.0 %)
0 (0.0 %) 6
R3 15.06° 56.59° 932 932 (100.0 %)
0 (0.0 %) 1
R4 15.03° 62.84° 604 604 (100.0 %)
0 (0.0 %) 0
R5 15.02° 87.02° 549 549 (100.0 %)
0 (0.0 %) 16
R6 15.08° 68.16° 637 637 (100.0 %)
0 (0.0 %) 22
R7 15.03° 47.84° 764 764 (100.0 %)
0 (0.0 %) 1
R8 15.01° 52.35° 743 743 (100.0 %)
0 (0.0 %) 0
R9 15.03° 39.70° 711 711 (100.0 %)
0 (0.0 %) 0
R10 15.02° 62.15° 599 599 (100.0 %)
0 (0.0 %) 0
R11 15.09° 86.60° 547 547 (100.0 %)
0 (0.0 %) 0
R12 15.03° 69.06° 980 980 (100.0 %)
0 (0.0 %) 10
R13 15.02° 51.81° 1030 1030 (100.0 %)
0 (0.0 %) 8
R14 15.03° 73.13° 727 727 (100.0 %)
0 (0.0 %) 0
R15 15.17° 81.55° 527 527 (100.0 %)
0 (0.0 %) 18
R16 15.03° 56.89° 640 640 (100.0 %)
0 (0.0 %) 0
R17 15.10° 69.70° 625 625 (100.0 %)
0 (0.0 %) 1
R18 15.03° 49.22° 756 756 (100.0 %)
0 (0.0 %) 12
R19 15.00° 53.84° 728 728 (100.0 %)
0 (0.0 %) 0
R20 15.04° 75.91° 597 597 (100.0 %)
0 (0.0 %) 0
R21 15.06° 81.76° 579 579 (100.0 %)
0 (0.0 %) 0
R22 15.02° 58.60° 869 869 (100.0 %)
0 (0.0 %) 18
R23 15.01° 61.85° 914 914 (100.0 %)
0 (0.0 %) 10
R24 15.01° 85.29° 665 665 (100.0 %)
0 (0.0 %) 21

Missing phase observations by satellite > 15°: 
SV Observations Missing L1 Missing L2
G1 1.9 %
0.0 %
0.0 %
G2 1.4 %
0.0 %
0.0 %
G3 2.0 %
0.0 %
0.0 %
G4 1.7 %
0.0 %
0.0 %
G5 1.8 %
2.4 %
4.3 %
G6 2.2 %
0.0 %
0.0 %
G7 1.8 %
0.0 %
0.0 %
G8 1.5 %
0.0 %
0.0 %
G9 1.5 %
0.0 %
0.0 %
G10 2.1 %
0.0 %
0.2 %
G11 2.1 %
0.0 %
0.0 %
G12 1.8 %
0.0 %
0.0 %
G13 1.6 %
0.0 %
0.0 %
G14 1.4 %
0.0 %
0.0 %
G15 2.0 %
0.0 %
0.0 %
G16 1.8 %
0.0 %
0.0 %
G17 1.4 %
0.0 %
0.0 %
G18 2.0 %
0.0 %
0.0 %
G19 2.1 %
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 %
0.0 %
0.0 %
G24 2.2 %
0.0 %
0.0 %
G25 2.1 %
0.0 %
0.0 %
G26 2.1 %
0.0 %
0.0 %
G27 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 1.6 %
0.0 %
0.0 %
R1 1.7 %
0.0 %
99.5 %
R2 2.2 %
0.0 %
56.3 %
R3 2.4 %
0.0 %
80.2 %
R4 1.5 %
0.0 %
81.0 %
R5 1.4 %
0.0 %
30.8 %
R6 1.6 %
0.0 %
31.9 %
R7 1.9 %
0.0 %
74.9 %
R8 1.9 %
0.0 %
75.8 %
R9 1.8 %
0.0 %
100.0 %
R10 1.5 %
0.0 %
100.0 %
R11 1.4 %
0.0 %
99.6 %
R12 2.5 %
0.0 %
79.2 %
R13 2.6 %
0.0 %
48.9 %
R14 1.8 %
0.0 %
100.0 %
R15 1.3 %
0.0 %
34.5 %
R16 1.6 %
0.0 %
50.6 %
R17 1.6 %
0.0 %
65.0 %
R18 1.9 %
0.0 %
38.1 %
R19 1.8 %
0.0 %
74.7 %
R20 1.5 %
0.0 %
36.9 %
R21 1.5 %
0.0 %
100.0 %
R22 2.2 %
0.0 %
54.2 %
R23 2.3 %
0.0 %
63.5 %
R24 1.7 %
0.0 %
45.3 %

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 %
3.2 %
G6 0.0 %
0.0 %
G7 0.0 %
0.0 %
G8 0.0 %
0.0 %
G9 0.0 %
0.0 %
G10 0.0 %
0.2 %
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 %
94.2 %
R2 0.0 %
42.1 %
R3 0.0 %
31.4 %
R4 0.0 %
47.7 %
R5 0.0 %
26.8 %
R6 0.0 %
27.5 %
R7 0.0 %
45.4 %
R8 0.0 %
29.6 %
R9 0.0 %
98.9 %
R10 0.0 %
100.0 %
R11 0.0 %
98.2 %
R12 0.0 %
73.0 %
R13 0.0 %
31.4 %
R14 0.0 %
99.7 %
R15 0.0 %
31.9 %
R16 0.0 %
45.2 %
R17 0.0 %
30.2 %
R18 0.0 %
20.8 %
R19 0.0 %
48.1 %
R20 0.0 %
20.4 %
R21 0.0 %
90.3 %
R22 0.0 %
45.5 %
R23 0.0 %
46.4 %
R24 0.0 %
33.8 %

Tracking by satellite elevation > 15°: 
Elevation Cycle Slips GPS Cycle Slips GLONASS Cycle Slips Galileo Observations
85 - 90 0
1
0
0.2 %
80 - 85 0
4
0
1.4 %
75 - 80 0
2
0
1.9 %
70 - 75 0
5
0
2.7 %
65 - 70 0
15
0
3.4 %
60 - 65 0
12
0
5.5 %
55 - 60 0
20
0
7.9 %
50 - 55 0
18
0
9.0 %
45 - 50 0
27
0
8.8 %
40 - 45 0
22
0
8.5 %
35 - 40 2
8
0
9.7 %
30 - 35 0
5
0
10.0 %
25 - 30 1
3
0
9.7 %
20 - 25 5
2
0
9.8 %
15 - 20 5
0
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 8.5
5.1
- - -
G2 8.4
4.6
- - -
G3 8.4
4.2
- - -
G4 8.5
4.4
- - -
G5 8.6
5.3
- - -
G6 8.4
4.2
- - -
G7 8.3
4.2
- - -
G8 8.5
4.2
- - -
G9 8.5
4.6
- - -
G10 8.4
4.2
- - -
G11 8.5
4.2
- - -
G12 8.6
5.0
- - -
G13 8.5
4.3
- - -
G14 8.2
3.9
- - -
G15 8.5
5.0
- - -
G16 8.5
4.4
- - -
G17 8.5
4.7
- - -
G18 7.8
3.1
- - -
G19 8.5
4.8
- - -
G20 8.4
4.5
- - -
G21 8.1
3.8
- - -
G22 8.1
3.8
- - -
G23 8.6
4.2
- - -
G24 8.3
4.9
- - -
G25 8.4
4.6
- - -
G26 8.5
4.3
- - -
G27 8.5
5.0
- - -
G28 7.8
3.3
- - -
G29 8.5
5.1
- - -
G31 8.6
5.1
- - -
G32 8.4
4.3
- - -
R1 7.8
1.7
- - -
R2 8.1
2.9
- - -
R3 7.4
2.7
- - -
R4 7.9
2.9
- - -
R5 8.3
3.0
- - -
R6 8.3
2.9
- - -
R7 8.0
2.9
- - -
R8 7.8
2.8
- - -
R9 7.4
- - - -
R10 7.9
- - - -
R11 7.6
0.5
- - -
R12 7.7
2.5
- - -
R13 7.4
2.8
- - -
R14 6.2
- - - -
R15 7.6
2.8
- - -
R16 7.4
2.7
- - -
R17 8.2
3.0
- - -
R18 8.1
2.8
- - -
R19 8.1
2.8
- - -
R20 6.9
2.9
- - -
R21 7.6
- - - -
R22 8.0
2.8
- - -
R23 7.9
2.8
- - -
R24 8.1
3.0
- - -
Average GPS: 8.4
4.4
- - -
Average GLONASS: 7.7
2.7
- - -
Average Galileo: - - - - -
Average All: 8.1
3.7
- - -

Code multipath by satellite > 15°: 
SV Av Elev MP1 MP2 MP5 MP5b MP5a+b
G1 35.5 ° 0.13 m
0.17 m
- - -
G2 38.8 ° 0.12 m
0.24 m
- - -
G3 39.6 ° 0.12 m
0.17 m
- - -
G4 50.3 ° 0.10 m
0.25 m
- - -
G5 50.2 ° 0.09 m
0.22 m
- - -
G6 36.1 ° 0.12 m
0.16 m
- - -
G7 35.5 ° 0.14 m
0.22 m
- - -
G8 41.5 ° 0.12 m
0.22 m
- - -
G9 45.3 ° 0.11 m
0.20 m
- - -
G10 38.4 ° 0.11 m
0.27 m
- - -
G11 38.2 ° 0.13 m
0.17 m
- - -
G12 48.5 ° 0.12 m
0.28 m
- - -
G13 48.8 ° 0.17 m
0.23 m
- - -
G14 38.4 ° 0.11 m
0.16 m
- - -
G15 43.9 ° 0.11 m
0.16 m
- - -
G16 47.8 ° 0.14 m
0.18 m
- - -
G17 37.4 ° 0.13 m
0.23 m
- - -
G18 28.4 ° 0.23 m
0.26 m
- - -
G19 39.3 ° 0.14 m
0.17 m
- - -
G20 45.0 ° 0.18 m
0.18 m
- - -
G21 36.8 ° 0.12 m
0.20 m
- - -
G22 28.5 ° 0.19 m
0.22 m
- - -
G23 42.8 ° 0.18 m
0.21 m
- - -
G24 36.1 ° 0.12 m
0.19 m
- - -
G25 39.5 ° 0.11 m
0.20 m
- - -
G26 34.7 ° 0.13 m
0.26 m
- - -
G27 35.6 ° 0.14 m
0.19 m
- - -
G28 25.6 ° 0.20 m
0.32 m
- - -
G29 47.0 ° 0.11 m
0.23 m
- - -
G31 49.7 ° 0.11 m
0.11 m
- - -
G32 49.1 ° 0.14 m
0.22 m
- - -
R1 - - - - - -
R2 47.9 ° 3.04 m
4.03 m
- - -
R3 35.8 ° 2.26 m
3.04 m
- - -
R4 - - - - - -
R5 51.0 ° 0.09 m
0.13 m
- - -
R6 41.6 ° 0.09 m
0.14 m
- - -
R7 31.4 ° 3.13 m
4.17 m
- - -
R8 - - - - - -
R9 - - - - - -
R10 - - - - - -
R11 - - - - - -
R12 - - - - - -
R13 33.4 ° 2.71 m
3.63 m
- - -
R14 - - - - - -
R15 48.4 ° 0.24 m
0.32 m
- - -
R16 36.0 ° 5.94 m
7.84 m
- - -
R17 42.4 ° 2.33 m
3.02 m
- - -
R18 32.1 ° 1.80 m
2.40 m
- - -
R19 - - - - - -
R20 45.5 ° 36.19 m
48.02 m
- - -
R21 - - - - - -
R22 36.8 ° 0.86 m
1.25 m
- - -
R23 - - - - - -
R24 50.1 ° 0.05 m
0.11 m
- - -
Average GPS: - 0.13 m
0.21 m
- - -
Average GLONASS: - 4.52 m
6.01 m
- - -
Average Galileo: - - - - - -
Average All: - 1.43 m
1.92 m
- - -

Code multipath by satellite elevation > 15°: 
Elevation MP1 MP2 MP5 MP5b MP5a+b
85 - 90 0.08 m
0.10 m
- - -
80 - 85 0.32 m
0.42 m
- - -
75 - 80 0.80 m
1.08 m
- - -
70 - 75 1.30 m
1.73 m
- - -
65 - 70 1.56 m
2.06 m
- - -
60 - 65 0.76 m
1.02 m
- - -
55 - 60 0.94 m
1.26 m
- - -
50 - 55 1.25 m
1.68 m
- - -
45 - 50 1.07 m
1.43 m
- - -
40 - 45 1.26 m
1.71 m
- - -
35 - 40 1.40 m
1.90 m
- - -
30 - 35 0.40 m
0.56 m
- - -
25 - 30 0.21 m
0.30 m
- - -
20 - 25 0.21 m
0.31 m
- - -
15 - 20 0.23 m
0.40 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