Leica SpiderQC v7.5 Quality Report


Program Run: 2021/03/23 11:03:24.02

File Details:


Observation File: caal082k.21o
GPS Navigation File: caal082k.21n
GLONASS Navigation File: caal082k.21g
Galileo Navigation File: caal082k.21l
BeiDou Navigation File: caal082k.21f
Quality Testing:  Fail (See below for details) 

Station Details:


Marker Name/Number:  CAAL  13474M001   
Observer/Agency:  IECA  Junta de Andalucia   
Receiver #/Type/Vers:  1831529  LEICA GR25  4.11/6.524 
Antenna #/Type:  18202005  LEIAR10 NONE   
Antenna Offsets (HEN):  0.077  0.000  0.000 
Approx Position (XYZ):  5081921.522  -226112.492  3838297.570 
Approx Position (plh):  37° 13' 15.92375" N  2° 32' 51.39491" W  2210.769m 
Diff. Est-Header:  4.1 m dX  -4.0 m dY  5.8 m dZ 
Diff. Est-Header:  8.1 m (3600 estimates) 

Session Summary:


Time of first obs:  2021/03/23 10:00:00.00 GPS 
Time of last obs:  2021/03/23 10:59:59.00 GPS 
Session length:  59.98 minutes 
GPS week:  2150, day 2 
Observation interval:  1.00 seconds 
UTC leap seconds:  18 seconds 

Num SVs with obs:  35 
Num SVs with nav:  100 
Total GPS orbits:  47 
Total GLONASS orbits:  45 
Total Galileo orbits:  82 
Total BeiDou orbits:  29 
Total QZSS orbits: 
Total NavIC orbits: 
SVs with obs:  G6 G10 G12 G13 G15 G17 G19 G20 G23 G24 G25 G29 G32 R2 R3 R4 R5 R12 R13 R14 R15 R22 R23 R24 E1 E19 E21 E27 C13 C14 C21 C22 C24 C26 C29  
SVs without obs:  G1 G2 G3 G4 G5 G7 G8 G9 G11 G14 G16 G18 G21 G22 G26 G27 G28 G30 G31 R1 R6 R7 R8 R9 R10 R11 R16 R17 R18 R19 R20 R21 E2 E3 E4 E5 E6 E7 E8 E9 E10 E11 E12 E13 E14 E15 E16 E17 E18 E20 E22 E23 E24 E25 E26 E28 E29 E30 E31 E32 E33 E34 E35 E36 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C15 C16 C17 C18 C19 C20 C23 C25 C27 C28 C30 C31 C32 C33 C34 C35 C36 C37 J1 J2 J3 J4 J5 J6 J7 J8 J9 J10 I1 I2 I3 I4 I5 I6 I7  
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 E1 E2 E3 E4 E5 E7 E8 E9 E11 E12 E13 E15 E19 E21 E22 E24 E25 E26 E27 E30 E31 E33 C6 C7 C8 C9 C10 C11 C12 C13 C14 C16 C18 C19 C20 C21 C22 C23 C24 C25 C26 C27 C28 C29  
SVs without nav:  E6 E10 E14 E16 E17 E18 E20 E23 E28 E29 E32 E34 E35 E36 C1 C2 C3 C4 C5 C15 C17 C30 C31 C32 C33 C34 C35 C36 C37  
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 1 slips, Threshold 53 slips 
Multipath:  Pass  Value 0.19m MP1 / 0.20m MP2 / 0.28m MP5, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 95.0 % 
Navigation Data:  Pass   
     
GLONASS Specific Tests 
Cycle Slips:  Pass  Value 2 slips, Threshold 129 slips 
Multipath:  Pass  Value 0.23m MP1 / 0.22m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 94.5 %, Threshold 90.0 % 
Navigation Data:  Pass   
     
Galileo Specific Tests 
Cycle Slips:  Pass  Value 0 slips, Threshold 86 slips 
Multipath:  Pass  Value 0.20m MP1 / 0.17m MP5a / 0.23m MP5b / 0.10m MP5a+b, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 90.0 % 
Navigation Data:  Pass   
     
BeiDou Specific Tests 
Cycle Slips:  Pass  Value 0 slips, Threshold 80 slips 
Multipath:  Fail  Value 0.56m MP1 / 0.47m MP2b, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 90.0 % 
Navigation Data:  Pass   

General Quality Indicators:


Tracking   
Num obs > 0°:  108352 
Num possible obs > 0°:  119172 
Num obs with invalid nav: 
Num obs without nav: 
Num obs to unhealthy SV: 
Num obs with WLF change: 
Num complete loss of lock: 

Epochs with < 5 SV > 15°:  (0.0 %) 
Epochs with all SV > 15°:  2348  (65.2 %) 
Epochs with full data > 15°:  2348  (65.2 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.5  2.8  2.6 
GDOP  3.0  3.4  3.1 

Data Gaps 
Num epochs with data:  3600 
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 
R23  20.850  1 / 1252  17.69° / 25.00°  114.73° / 106.63° 
Total:  20.850 (1251 observations) 

Receiver Clock 
Clock Slips > 15°: 
Max RX clock offset:  0.000040 ms (at 2021/03/23 10:57:00.00) 
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  BeiDou  QZSS  NavIC 
Tracking information over 0° 
Num obs > 0°:  108352  40075  33824  14400  20053 
Num possible obs > 0°:  119172  45598  36803  16226  20545 
Num obs with invalid nav: 
Num obs without nav: 
Num obs to unhealthy SV: 
               
Tracking over Elevation Mask (15°) 
Num obs > 15°:  75588  26339  21483  14400  13366 
% obs > 15°:   98.4 %  100.0 %  94.5 %  100.0 %  100.0 % 
Num possible obs > 15°:  76840  26339  22735  14400  13366 
Num complete obs > 15°:  75588  26339  21483  14400  13366 
% complete obs > 15°:   98.4 %  100.0 %  94.5 %  100.0 %  100.0 % 
Num obs with WLF change:  
Average # SV per Epoch:  21.0   7.3   6.0   4.0   3.7  
               
Observation ratio w.r.t. L1/E1/B1I: 
Obs L2/B1C:  1.820   1.852   1.781  
Obs E5b/B2I:  0.575   1.000   0.116  
Obs L5/E5a/B2a:  0.722   0.570   1.000  
Obs E5a+b/B2a+b:  1.000   1.000  
Obs L6/E6/B3I/G2a: 
Obs G3: 

Cycle Slips               
Num cycle slips > 15°: 
% slips per complete obs:  0.004 %  0.004 %  0.009 % 
Num complete obs per slip:  25196   26339   10741  
IOD Slips > 15°: 
Outliers > 15°: 
LLI : Obs L1/E1/B1I:  0.0000   0.0000  
LLI : Obs L2/B1C: 
LLI : Obs E5b/B2I: 
LLI : Obs L5/E5a/B2a: 
LLI : Obs E5a+b/B2a+b: 
LLI : Obs L6/E6/B3I/G2a: 
LLI : Obs G3: 

Multipath               
MP (L1/E1/B1I) RMS:  0.274 m  0.193 m  0.234 m  0.201 m  0.564 m 
MP (L2/B1C) RMS:  0.207 m  0.196 m  0.224 m 
MP (L5/E5a/B2a) RMS:  0.231 m  0.275 m  0.174 m 
MP (E5b/B2I) RMS:  0.276 m  0.226 m  0.473 m 
MP (E5a+b/B2a+b) RMS:  0.097 m  0.097 m 
MP (L6/E6/B3I/G2a) RMS: 
MP (G3) RMS: 

Extended Quality Information:


Tracking by observation type > 15°: 
Type Code Phase SNR Doppler
L1C 100.0 %
100.0 %
100.0 %
100.0 %
L1I 100.0 %
100.0 %
100.0 %
100.0 %
L2C 89.1 %
89.1 %
89.1 %
89.1 %
L2P 89.1 %
89.1 %
89.1 %
89.1 %
L2S 85.2 %
85.2 %
85.2 %
85.2 %
L2W 100.0 %
100.0 %
100.0 %
100.0 %
L5Q 72.2 %
72.2 %
72.2 %
72.2 %
L7I 11.6 %
11.6 %
11.6 %
11.6 %
L7Q 100.0 %
100.0 %
100.0 %
100.0 %
L8Q 100.0 %
100.0 %
100.0 %
100.0 %

Tracking by satellite > 15°: 
SV GPS Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
G10 15.00° 22.43° 2862 2862 (100.0 %)
0 (0.0 %) 0
G12 71.06° 79.93° 3600 3600 (100.0 %)
0 (0.0 %) 0
G13 15.00° 17.38° 359 359 (100.0 %)
0 (0.0 %) 0
G15 18.85° 45.91° 3600 3600 (100.0 %)
0 (0.0 %) 1
G19 15.00° 29.79° 3423 3423 (100.0 %)
0 (0.0 %) 0
G20 15.00° 15.60° 125 125 (100.0 %)
0 (0.0 %) 0
G23 15.00° 23.56° 1789 1789 (100.0 %)
0 (0.0 %) 0
G24 53.28° 68.07° 3600 3600 (100.0 %)
0 (0.0 %) 0
G25 30.65° 52.33° 3600 3600 (100.0 %)
0 (0.0 %) 0
G29 15.00° 16.60° 222 222 (100.0 %)
0 (0.0 %) 0
G32 15.01° 34.18° 3159 3159 (100.0 %)
0 (0.0 %) 0

SV GLONASS Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
R2 15.00° 15.71° 85 85 (100.0 %)
0 (0.0 %) 0
R3 24.25° 55.56° 3600 3600 (100.0 %)
0 (0.0 %) 0
R4 41.44° 47.73° 3600 3600 (100.0 %)
0 (0.0 %) 0
R5 15.00° 22.01° 1277 1277 (100.0 %)
0 (0.0 %) 0
R13 36.57° 52.83° 3600 3600 (100.0 %)
0 (0.0 %) 0
R14 39.48° 51.35° 3600 3600 (100.0 %)
0 (0.0 %) 0
R22 15.00° 18.07° 1700 1700 (100.0 %)
0 (0.0 %) 1
R23 25.58° 36.68° 3600 2348 (65.2 %)
0 (0.0 %) 1
R24 15.00° 27.56° 1673 1673 (100.0 %)
0 (0.0 %) 0

SV Galileo Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
E1 19.34° 33.37° 3600 3600 (100.0 %)
0 (0.0 %) 0
E19 56.13° 61.20° 3600 3600 (100.0 %)
0 (0.0 %) 0
E21 66.34° 69.96° 3600 3600 (100.0 %)
0 (0.0 %) 0
E27 32.47° 49.56° 3600 3600 (100.0 %)
0 (0.0 %) 0

SV BeiDou Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
C14 15.00° 18.34° 1556 1556 (100.0 %)
0 (0.0 %) 0
C21 25.99° 44.88° 3600 3600 (100.0 %)
0 (0.0 %) 0
C22 15.01° 21.51° 1010 1010 (100.0 %)
0 (0.0 %) 0
C26 30.00° 46.13° 3600 3600 (100.0 %)
0 (0.0 %) 0
C29 29.64° 42.29° 3600 3600 (100.0 %)
0 (0.0 %) 0

Missing phase observations by satellite > 15°: 
SV GPS Observations Missing L1C Missing L2S Missing L2W Missing L5Q
G10 3.8 %
0.0 %
0.0 %
0.0 %
0.0 %
G12 4.8 %
0.0 %
0.0 %
0.0 %
100.0 %
G13 0.5 %
0.0 %
100.0 %
0.0 %
100.0 %
G15 4.8 %
0.0 %
0.0 %
0.0 %
100.0 %
G19 4.5 %
0.0 %
100.0 %
0.0 %
100.0 %
G20 0.2 %
0.0 %
100.0 %
0.0 %
100.0 %
G23 2.4 %
0.0 %
0.0 %
0.0 %
0.0 %
G24 4.8 %
0.0 %
0.0 %
0.0 %
0.0 %
G25 4.8 %
0.0 %
0.0 %
0.0 %
0.0 %
G29 0.3 %
0.0 %
0.0 %
0.0 %
100.0 %
G32 4.2 %
0.0 %
0.0 %
0.0 %
0.0 %

SV GLONASS Observations Missing L1C Missing L2C Missing L2P
R2 0.1 %
0.0 %
0.0 %
0.0 %
R3 4.8 %
0.0 %
0.0 %
0.0 %
R4 4.8 %
0.0 %
0.0 %
0.0 %
R5 1.7 %
0.0 %
0.0 %
0.0 %
R13 4.8 %
0.0 %
0.0 %
0.0 %
R14 4.8 %
0.0 %
0.0 %
0.0 %
R22 2.2 %
0.0 %
0.0 %
0.0 %
R23 3.1 %
0.0 %
100.0 %
100.0 %
R24 2.2 %
0.0 %
0.0 %
0.0 %

SV Galileo Observations Missing L1C Missing L5Q Missing L7Q Missing L8Q
E1 4.8 %
0.0 %
0.0 %
0.0 %
0.0 %
E19 4.8 %
0.0 %
0.0 %
0.0 %
0.0 %
E21 4.8 %
0.0 %
0.0 %
0.0 %
0.0 %
E27 4.8 %
0.0 %
0.0 %
0.0 %
0.0 %

SV BeiDou Observations Missing L2I Missing L7I
C14 2.1 %
0.0 %
0.0 %
C21 4.8 %
0.0 %
100.0 %
C22 1.3 %
0.0 %
100.0 %
C26 4.8 %
0.0 %
100.0 %
C29 4.8 %
0.0 %
100.0 %

Missing code observations by satellite > 15°: 
SV GPS Missing C1C Missing C2S Missing C2W Missing C5Q
G10 0.0 %
0.0 %
0.0 %
0.0 %
G12 0.0 %
0.0 %
0.0 %
100.0 %
G13 0.0 %
100.0 %
0.0 %
100.0 %
G15 0.0 %
0.0 %
0.0 %
100.0 %
G19 0.0 %
100.0 %
0.0 %
100.0 %
G20 0.0 %
100.0 %
0.0 %
100.0 %
G23 0.0 %
0.0 %
0.0 %
0.0 %
G24 0.0 %
0.0 %
0.0 %
0.0 %
G25 0.0 %
0.0 %
0.0 %
0.0 %
G29 0.0 %
0.0 %
0.0 %
100.0 %
G32 0.0 %
0.0 %
0.0 %
0.0 %

SV GLONASS Missing C1C Missing C2C Missing C2P
R2 0.0 %
0.0 %
0.0 %
R3 0.0 %
0.0 %
0.0 %
R4 0.0 %
0.0 %
0.0 %
R5 0.0 %
0.0 %
0.0 %
R13 0.0 %
0.0 %
0.0 %
R14 0.0 %
0.0 %
0.0 %
R22 0.0 %
0.0 %
0.0 %
R23 0.0 %
100.0 %
100.0 %
R24 0.0 %
0.0 %
0.0 %

SV Galileo Missing C1C Missing C5Q Missing C7Q Missing C8Q
E1 0.0 %
0.0 %
0.0 %
0.0 %
E19 0.0 %
0.0 %
0.0 %
0.0 %
E21 0.0 %
0.0 %
0.0 %
0.0 %
E27 0.0 %
0.0 %
0.0 %
0.0 %

SV BeiDou Missing C2I Missing C7I
C14 0.0 %
0.0 %
C21 0.0 %
100.0 %
C22 0.0 %
100.0 %
C26 0.0 %
100.0 %
C29 0.0 %
100.0 %

Tracking by satellite elevation > 15°: 
Elevation Cycle Slips GPS Cycle Slips GLONASS Cycle Slips Galileo Cycle Slips BeiDou Cycle Slips QZSS Cycle Slips NavIC Observations
85 - 90 0
0
0
0
0
0
0.0 %
80 - 85 0
0
0
0
0
0
0.0 %
75 - 80 0
0
0
0
0
0
3.7 %
70 - 75 0
0
0
0
0
0
1.1 %
65 - 70 0
0
0
0
0
0
6.2 %
60 - 65 0
0
0
0
0
0
4.5 %
55 - 60 0
0
0
0
0
0
3.3 %
50 - 55 0
0
0
0
0
0
3.3 %
45 - 50 0
0
0
0
0
0
10.9 %
40 - 45 0
0
0
0
0
0
12.5 %
35 - 40 0
0
0
0
0
0
10.5 %
30 - 35 1
0
0
0
0
0
11.0 %
25 - 30 0
1
0
0
0
0
8.9 %
20 - 25 0
0
0
0
0
0
9.6 %
15 - 20 0
1
0
0
0
0
14.6 %
10 - 15 0
0
0
0
0
0
0.0 %
5 - 10 0
0
0
0
0
0
0.0 %
0 - 5 0
0
0
0
0
0
0.0 %

Signal to Noise Ratio by satellite > 15°: 
SV GPS L1 L2 L5
G10 45.2
45.6
50.6
G12 50.2
49.2
-
G13 42.4
35.9
-
G15 46.8
45.2
-
G19 44.2
41.1
-
G20 42.3
37.1
-
G23 44.2
45.4
50.4
G24 49.4
49.6
53.0
G25 47.5
47.4
52.2
G29 43.9
42.1
-
G32 46.3
45.8
50.2
Average GPS: 45.7
44.0
51.3

SV GLONASS G1 G2
R2 43.5
42.7
R3 48.2
46.6
R4 48.8
47.1
R5 45.1
44.5
R13 39.0
43.9
R14 48.4
47.8
R22 35.5
32.6
R23 46.4
-
R24 44.4
43.6
Average GLONASS: 44.4
43.6

SV Galileo E1 E5a E5b E5a+b
E1 49.1
50.2
49.0
46.5
E19 49.3
50.1
49.1
46.5
E21 51.9
52.5
51.9
50.2
E27 50.6
51.3
50.5
48.3
Average Galileo: 50.2
51.0
50.1
47.9

SV BeiDou B1I B2I
C14 39.1
44.7
C21 47.2
-
C22 44.0
-
C26 47.0
-
C29 47.1
-
Average BeiDou: 44.9
44.7

Code multipath by satellite > 15°: 
SV GPS Av Elev MP (L1) MP (L2) MP (L5)
G10 18.7 ° 0.32 m
0.32 m
0.42 m
G12 75.5 ° 0.11 m
0.12 m
-
G13 16.2 ° 0.17 m
0.19 m
-
G15 32.4 ° 0.19 m
0.13 m
-
G19 22.4 ° 0.24 m
0.31 m
-
G20 15.3 ° 0.06 m
0.28 m
-
G23 19.3 ° 0.35 m
0.25 m
0.31 m
G24 60.7 ° 0.18 m
0.13 m
0.13 m
G25 41.5 ° 0.18 m
0.14 m
0.24 m
G29 15.8 ° 0.10 m
0.12 m
-
G32 24.6 ° 0.22 m
0.17 m
0.27 m
Average GPS: - 0.19 m
0.20 m
0.28 m

SV GLONASS Av Elev MP (G1) MP (G2)
R2 - - -
R3 39.9 ° 0.21 m
0.22 m
R4 44.6 ° 0.14 m
0.20 m
R5 18.5 ° 0.41 m
0.27 m
R13 44.7 ° 0.17 m
0.14 m
R14 45.4 ° 0.19 m
0.26 m
R22 16.5 ° 0.26 m
0.21 m
R23 - - -
R24 21.3 ° 0.26 m
0.27 m
Average GLONASS: - 0.23 m
0.22 m

SV Galileo Av Elev MP (E1) MP (E5a) MP (E5b) MP (E5a+b)
E1 26.4 ° 0.22 m
0.30 m
0.33 m
0.11 m
E19 58.7 ° 0.19 m
0.14 m
0.14 m
0.10 m
E21 68.1 ° 0.18 m
0.09 m
0.16 m
0.08 m
E27 41.0 ° 0.21 m
0.17 m
0.27 m
0.10 m
Average Galileo: - 0.20 m
0.17 m
0.23 m
0.10 m

SV BeiDou Av Elev MP (B1I) MP (B2I)
C14 16.7 ° 0.47 m
0.47 m
C21 35.4 ° 1.03 m
-
C22 18.3 ° 0.72 m
-
C26 38.1 ° 0.30 m
-
C29 36.0 ° 0.31 m
-
Average BeiDou: - 0.56 m
0.47 m

Code multipath by satellite elevation > 15°: 
Elevation MP (L1/E1/B1I) MP (L2/B1C) MP (L5/E5a/B2a) MP (E5b/B2I) MP (E5a+b/B2a+b) MP (L6/E6/B3I/G2a) MP (G3)
85 - 90 - - - - - - -
80 - 85 - - - - - - -
75 - 80 0.12 m
0.11 m
- - - - -
70 - 75 0.10 m
0.14 m
- - - - -
65 - 70 0.20 m
0.09 m
0.09 m
0.16 m
0.08 m
- -
60 - 65 0.13 m
0.13 m
0.14 m
0.15 m
0.12 m
- -
55 - 60 0.22 m
0.17 m
0.13 m
0.12 m
0.06 m
- -
50 - 55 0.24 m
0.17 m
0.16 m
- - - -
45 - 50 0.16 m
0.21 m
0.18 m
0.22 m
0.10 m
- -
40 - 45 0.36 m
0.19 m
0.16 m
0.30 m
0.09 m
- -
35 - 40 0.19 m
0.13 m
0.23 m
0.33 m
0.09 m
- -
30 - 35 0.35 m
0.15 m
0.25 m
0.21 m
0.11 m
- -
25 - 30 0.41 m
0.22 m
0.27 m
0.40 m
0.09 m
- -
20 - 25 0.28 m
0.28 m
0.37 m
0.33 m
0.15 m
- -
15 - 20 0.34 m
0.25 m
0.35 m
0.46 m
0.06 m
- -
10 - 15 - - - - - - -
5 - 10 - - - - - - -
0 - 5 - - - - - - -


Observation File Messages:





GPS Navigation File Messages:




GLONASS Navigation File Messages:




Galileo Navigation File Messages:




BeiDou Navigation File Messages:




General Messages:


- Updated header information or comments after epoch 2021/03/23 10:59:59.00

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 code and phase measurements with a SNR of at least 0 
(#)  A complete GLONASS observation contains non-zero G1 code and phase measurements with a SNR of at least 0 
(#)  A complete Galileo observation contains non-zero E1, E5a code and phase measurements with a SNR of at least 0 
(#)  A complete BeiDou observation contains non-zero B1I code and phase measurements with a SNR of at least 0 
(#)  A complete QZSS observation contains non-zero L1 code and phase measurements with a SNR of at least 0 
(#)  A complete NavIC observation contains non-zero L5 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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