Leica SpiderQC v7.5 Quality Report


Program Run: 2021/03/25 03:02:44.26

File Details:


Observation File: caal084c.21o
GPS Navigation File: caal084c.21n
GLONASS Navigation File: caal084c.21g
Galileo Navigation File: caal084c.21l
BeiDou Navigation File: caal084c.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:  -1.6 m dX  -6.2 m dY  0.8 m dZ 
Diff. Est-Header:  6.5 m (3600 estimates) 

Session Summary:


Time of first obs:  2021/03/25 02:00:00.00 GPS 
Time of last obs:  2021/03/25 02:59:59.00 GPS 
Session length:  59.98 minutes 
GPS week:  2150, day 4 
Observation interval:  1.00 seconds 
UTC leap seconds:  18 seconds 

Num SVs with obs:  35 
Num SVs with nav:  100 
Total GPS orbits:  43 
Total GLONASS orbits:  44 
Total Galileo orbits:  90 
Total BeiDou orbits:  30 
Total QZSS orbits: 
Total NavIC orbits: 
SVs with obs:  G2 G3 G4 G5 G6 G7 G9 G13 G17 G19 G30 R1 R2 R3 R8 R10 R12 R17 R18 R23 R24 E4 E11 E12 E19 E33 C9 C10 C14 C23 C24 C25 C26 C27 C28  
SVs without obs:  G1 G8 G10 G11 G12 G14 G15 G16 G18 G20 G21 G22 G23 G24 G25 G26 G27 G28 G29 G31 G32 R4 R5 R6 R7 R9 R11 R13 R14 R15 R16 R19 R20 R21 R22 E1 E2 E3 E5 E6 E7 E8 E9 E10 E13 E14 E15 E16 E17 E18 E20 E21 E22 E23 E24 E25 E26 E27 E28 E29 E30 E31 E32 E34 E35 E36 C1 C2 C3 C4 C5 C6 C7 C8 C11 C12 C13 C15 C16 C17 C18 C19 C20 C21 C22 C29 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 48 slips 
Multipath:  Pass  Value 0.22m MP1 / 0.17m MP2 / 0.20m MP5, Threshold 0.5 m 
Data Completeness:  Pass  Value 99.4 %, Threshold 95.0 % 
Navigation Data:  Pass   
     
GLONASS Specific Tests 
Cycle Slips:  Pass  Value 0 slips, Threshold 123 slips 
Multipath:  Pass  Value 0.21m MP1 / 0.29m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 90.0 % 
Navigation Data:  Pass   
     
Galileo Specific Tests 
Cycle Slips:  Pass  Value 4 slips, Threshold 86 slips 
Multipath:  Pass  Value 0.16m MP1 / 0.15m MP5a / 0.24m MP5b / 0.06m MP5a+b, Threshold 0.5 m 
Data Completeness:  Fail  Value 81.4 %, Threshold 90.0 % 
Navigation Data:  Pass   
     
BeiDou Specific Tests 
Cycle Slips:  Pass  Value 0 slips, Threshold 108 slips 
Multipath:  Pass  Value 0.31m MP1 / 0.29m MP2b, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 90.0 % 
Navigation Data:  Pass   

General Quality Indicators:


Tracking   
Num obs > 0°:  102629 
Num possible obs > 0°:  112537 
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°:  318  (8.8 %) 
Epochs with full data > 15°:  318  (8.8 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.4  3.9  2.9 
GDOP  3.0  4.9  3.6 

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 
E11  14.050  1 / 844  26.97° / 29.80°  317.07° / 315.22° 
G3  2.317  1168 / 1307  15.69° / 15.00°  97.20° / 98.00° 
E33  40.833  832 / 3282  30.48° / 15.00°  170.69° / 172.40° 
Total:  57.200 (3431 observations) 

Receiver Clock 
Clock Slips > 15°: 
Max RX clock offset:  0.000021 ms (at 2021/03/25 02:59:09.00) 
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°:  102629  31093  33405  14387  23744 
Num possible obs > 0°:  112537  34553  33594  18000  26390 
Num obs with invalid nav: 
Num obs without nav: 
Num obs to unhealthy SV: 
               
Tracking over Elevation Mask (15°) 
Num obs > 15°:  76965  24198  20463  14387  17917 
% obs > 15°:   95.7 %  99.4 %  100.0 %  81.4 %  100.0 % 
Num possible obs > 15°:  80400  24338  20463  17682  17917 
Num complete obs > 15°:  76963  24198  20463  14385  17917 
% complete obs > 15°:   95.7 %  99.4 %  100.0 %  81.4 %  100.0 % 
Num obs with WLF change:  
Average # SV per Epoch:  21.4   6.7   5.7   4.0   5.0  
               
Observation ratio w.r.t. L1/E1/B1I: 
Obs L2/B1C:  1.812   1.779   1.851  
Obs E5b/B2I:  0.557   1.000   0.201  
Obs L5/E5a/B2a:  0.768   0.631   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:  0.006 %  0.004 %  0.028 % 
Num complete obs per slip:  15392   24198   3596  
IOD Slips > 15°: 
Outliers > 15°: 
LLI : Obs L1/E1/B1I:  0.0000   0.0001  
LLI : Obs L2/B1C: 
LLI : Obs E5b/B2I:  0.0001   0.0001  
LLI : Obs L5/E5a/B2a:  0.0000   0.0001  
LLI : Obs E5a+b/B2a+b:  0.0001   0.0001  
LLI : Obs L6/E6/B3I/G2a: 
LLI : Obs G3: 

Multipath               
MP (L1/E1/B1I) RMS:  0.221 m  0.220 m  0.205 m  0.157 m  0.307 m 
MP (L2/B1C) RMS:  0.230 m  0.174 m  0.294 m 
MP (L5/E5a/B2a) RMS:  0.174 m  0.202 m  0.147 m 
MP (E5b/B2I) RMS:  0.245 m  0.236 m  0.290 m 
MP (E5a+b/B2a+b) RMS:  0.061 m  0.061 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 92.5 %
92.5 %
92.5 %
92.5 %
L2P 92.5 %
92.5 %
92.5 %
92.5 %
L2S 77.9 %
77.9 %
77.9 %
77.9 %
L2W 100.0 %
100.0 %
100.0 %
100.0 %
L5Q 76.8 %
76.8 %
76.8 %
76.8 %
L7I 20.1 %
20.1 %
20.1 %
20.1 %
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
G2 31.68° 49.25° 3600 3600 (100.0 %)
0 (0.0 %) 0
G3 15.69° 21.42° 1307 1167 (89.3 %)
0 (0.0 %) 0
G4 15.00° 35.81° 3310 3310 (100.0 %)
0 (0.0 %) 1
G6 61.49° 72.73° 3600 3600 (100.0 %)
0 (0.0 %) 0
G7 41.61° 62.43° 3600 3600 (100.0 %)
0 (0.0 %) 0
G9 46.16° 71.55° 3600 3600 (100.0 %)
0 (0.0 %) 0
G19 15.00° 25.17° 1737 1737 (100.0 %)
0 (0.0 %) 0
G30 15.01° 41.59° 3584 3584 (100.0 %)
0 (0.0 %) 0

SV GLONASS Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
R1 29.28° 46.70° 3600 3600 (100.0 %)
0 (0.0 %) 0
R2 40.75° 51.58° 3600 3600 (100.0 %)
0 (0.0 %) 0
R3 15.00° 16.13° 247 247 (100.0 %)
0 (0.0 %) 0
R10 15.00° 16.91° 899 899 (100.0 %)
0 (0.0 %) 0
R12 15.00° 31.36° 2155 2155 (100.0 %)
0 (0.0 %) 0
R17 43.83° 48.91° 3600 3600 (100.0 %)
0 (0.0 %) 0
R18 15.00° 26.55° 2133 2133 (100.0 %)
0 (0.0 %) 0
R23 15.00° 20.44° 629 629 (100.0 %)
0 (0.0 %) 0
R24 20.09° 52.03° 3600 3600 (100.0 %)
0 (0.0 %) 0

SV Galileo Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
E4 36.96° 50.63° 3600 3600 (100.0 %)
0 (0.0 %) 0
E11 30.90° 40.69° 3600 2756 (76.6 %)
0 (0.0 %) 3
E12 50.32° 68.07° 3600 3600 (100.0 %)
0 (0.0 %) 1
E19 56.54° 72.75° 3600 3600 (100.0 %)
0 (0.0 %) 0
E33 30.48° 35.99° 3282 831 (25.3 %)
0 (0.0 %) 0

SV BeiDou Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
C14 15.64° 31.23° 3600 3600 (100.0 %)
0 (0.0 %) 0
C23 15.00° 15.32° 52 52 (100.0 %)
0 (0.0 %) 0
C24 28.03° 30.36° 3600 3600 (100.0 %)
0 (0.0 %) 0
C25 22.41° 43.57° 3600 3600 (100.0 %)
0 (0.0 %) 0
C27 30.98° 38.64° 3600 3600 (100.0 %)
0 (0.0 %) 0
C28 15.00° 36.94° 3465 3465 (100.0 %)
0 (0.0 %) 0

Missing phase observations by satellite > 15°: 
SV GPS Observations Missing L1C Missing L2S Missing L2W Missing L5Q
G2 4.7 %
0.0 %
100.0 %
0.0 %
100.0 %
G3 1.5 %
0.0 %
0.0 %
0.0 %
0.0 %
G4 4.3 %
0.0 %
0.0 %
0.0 %
0.0 %
G6 4.7 %
0.0 %
0.0 %
0.0 %
0.0 %
G7 4.7 %
0.0 %
0.0 %
0.0 %
100.0 %
G9 4.7 %
0.0 %
0.0 %
0.0 %
0.0 %
G19 2.3 %
0.0 %
100.0 %
0.0 %
100.0 %
G30 4.7 %
0.0 %
0.0 %
0.0 %
0.0 %

SV GLONASS Observations Missing L1C Missing L2C Missing L2P
R1 4.7 %
0.0 %
0.0 %
0.0 %
R2 4.7 %
0.0 %
0.0 %
0.0 %
R3 0.3 %
0.0 %
0.0 %
0.0 %
R10 1.2 %
0.0 %
100.0 %
100.0 %
R12 2.8 %
0.0 %
0.0 %
0.0 %
R17 4.7 %
0.0 %
0.0 %
0.0 %
R18 2.8 %
0.0 %
0.0 %
0.0 %
R23 0.8 %
0.0 %
100.0 %
100.0 %
R24 4.7 %
0.0 %
0.0 %
0.0 %

SV Galileo Observations Missing L1C Missing L5Q Missing L7Q Missing L8Q
E4 4.7 %
0.0 %
0.0 %
0.0 %
0.0 %
E11 3.6 %
0.0 %
0.1 %
0.0 %
0.1 %
E12 4.7 %
0.0 %
0.0 %
0.0 %
0.0 %
E19 4.7 %
0.0 %
0.0 %
0.0 %
0.0 %
E33 1.1 %
0.0 %
0.0 %
0.0 %
0.0 %

SV BeiDou Observations Missing L2I Missing L7I
C14 4.7 %
0.0 %
0.0 %
C23 0.1 %
0.0 %
100.0 %
C24 4.7 %
0.0 %
100.0 %
C25 4.7 %
0.0 %
100.0 %
C27 4.7 %
0.0 %
100.0 %
C28 4.5 %
0.0 %
100.0 %

Missing code observations by satellite > 15°: 
SV GPS Missing C1C Missing C2S Missing C2W Missing C5Q
G2 0.0 %
100.0 %
0.0 %
100.0 %
G3 0.0 %
0.0 %
0.0 %
0.0 %
G4 0.0 %
0.0 %
0.0 %
0.0 %
G6 0.0 %
0.0 %
0.0 %
0.0 %
G7 0.0 %
0.0 %
0.0 %
100.0 %
G9 0.0 %
0.0 %
0.0 %
0.0 %
G19 0.0 %
100.0 %
0.0 %
100.0 %
G30 0.0 %
0.0 %
0.0 %
0.0 %

SV GLONASS Missing C1C Missing C2C Missing C2P
R1 0.0 %
0.0 %
0.0 %
R2 0.0 %
0.0 %
0.0 %
R3 0.0 %
0.0 %
0.0 %
R10 0.0 %
100.0 %
100.0 %
R12 0.0 %
0.0 %
0.0 %
R17 0.0 %
0.0 %
0.0 %
R18 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
E4 0.0 %
0.0 %
0.0 %
0.0 %
E11 0.0 %
0.1 %
0.0 %
0.1 %
E12 0.0 %
0.0 %
0.0 %
0.0 %
E19 0.0 %
0.0 %
0.0 %
0.0 %
E33 0.0 %
0.0 %
0.0 %
0.0 %

SV BeiDou Missing C2I Missing C7I
C14 0.0 %
0.0 %
C23 0.0 %
100.0 %
C24 0.0 %
100.0 %
C25 0.0 %
100.0 %
C27 0.0 %
100.0 %
C28 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
0.0 %
70 - 75 0
0
0
0
0
0
3.9 %
65 - 70 0
0
1
0
0
0
4.7 %
60 - 65 0
0
0
0
0
0
5.1 %
55 - 60 0
0
0
0
0
0
4.3 %
50 - 55 0
0
0
0
0
0
4.4 %
45 - 50 0
0
0
0
0
0
12.8 %
40 - 45 0
0
0
0
0
0
9.0 %
35 - 40 0
0
0
0
0
0
12.0 %
30 - 35 0
0
3
0
0
0
13.0 %
25 - 30 1
0
0
0
0
0
10.4 %
20 - 25 0
0
0
0
0
0
9.5 %
15 - 20 0
0
0
0
0
0
11.0 %
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
G2 48.1
43.6
-
G3 40.9
42.5
49.5
G4 44.2
45.0
50.7
G6 50.1
49.6
53.1
G7 48.5
46.4
-
G9 49.3
49.2
52.9
G19 43.4
39.3
-
G30 45.3
45.3
51.6
Average GPS: 46.2
45.1
51.6

SV GLONASS G1 G2
R1 45.1
42.1
R2 49.3
47.5
R3 43.4
44.7
R10 41.0
-
R12 46.1
44.6
R17 49.1
47.5
R18 44.6
44.7
R23 44.4
-
R24 47.9
45.8
Average GLONASS: 45.7
45.3

SV Galileo E1 E5a E5b E5a+b
E4 50.9
51.9
51.3
49.2
E11 48.0
49.3
48.1
45.2
E12 49.9
51.2
50.5
48.1
E19 49.3
50.5
49.7
46.9
E33 49.5
50.9
49.8
47.3
Average Galileo: 49.5
50.8
49.9
47.3

SV BeiDou B1I B2I
C14 44.0
46.1
C23 45.6
-
C24 46.9
-
C25 47.2
-
C27 48.7
-
C28 46.0
-
Average BeiDou: 46.4
46.1

Code multipath by satellite > 15°: 
SV GPS Av Elev MP (L1) MP (L2) MP (L5)
G2 40.5 ° 0.18 m
0.18 m
-
G3 18.6 ° 0.40 m
0.20 m
0.21 m
G4 25.4 ° 0.25 m
0.20 m
0.27 m
G6 67.1 ° 0.16 m
0.10 m
0.13 m
G7 52.0 ° 0.17 m
0.14 m
-
G9 58.9 ° 0.14 m
0.12 m
0.12 m
G19 20.1 ° 0.25 m
0.21 m
-
G30 28.3 ° 0.22 m
0.23 m
0.29 m
Average GPS: - 0.22 m
0.17 m
0.20 m

SV GLONASS Av Elev MP (G1) MP (G2)
R1 38.0 ° 0.16 m
0.17 m
R2 46.2 ° 0.14 m
0.23 m
R3 15.6 ° 0.36 m
0.63 m
R10 - - -
R12 23.2 ° 0.17 m
0.21 m
R17 46.4 ° 0.14 m
0.26 m
R18 20.8 ° 0.30 m
0.38 m
R23 - - -
R24 36.1 ° 0.15 m
0.17 m
Average GLONASS: - 0.21 m
0.29 m

SV Galileo Av Elev MP (E1) MP (E5a) MP (E5b) MP (E5a+b)
E4 43.8 ° 0.15 m
0.15 m
0.17 m
0.08 m
E11 35.8 ° 0.15 m
0.24 m
0.23 m
0.07 m
E12 59.2 ° 0.13 m
0.13 m
0.18 m
0.05 m
E19 64.6 ° 0.11 m
0.11 m
0.20 m
0.05 m
E33 33.2 ° 0.24 m
0.11 m
0.40 m
0.05 m
Average Galileo: - 0.16 m
0.15 m
0.24 m
0.06 m

SV BeiDou Av Elev MP (B1I) MP (B2I)
C14 23.4 ° 0.27 m
0.29 m
C23 - - -
C24 29.2 ° 0.34 m
-
C25 33.0 ° 0.33 m
-
C27 34.8 ° 0.31 m
-
C28 26.0 ° 0.28 m
-
Average BeiDou: - 0.31 m
0.29 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 - - - - - - -
70 - 75 0.16 m
0.10 m
0.11 m
0.19 m
0.08 m
- -
65 - 70 0.13 m
0.10 m
0.13 m
0.21 m
0.04 m
- -
60 - 65 0.12 m
0.07 m
0.12 m
0.18 m
0.04 m
- -
55 - 60 0.14 m
0.08 m
0.11 m
0.16 m
0.05 m
- -
50 - 55 0.15 m
0.20 m
0.15 m
0.22 m
0.09 m
- -
45 - 50 0.15 m
0.22 m
0.14 m
0.12 m
0.06 m
- -
40 - 45 0.19 m
0.22 m
0.18 m
0.23 m
0.09 m
- -
35 - 40 0.20 m
0.14 m
0.23 m
0.20 m
0.08 m
- -
30 - 35 0.23 m
0.17 m
0.17 m
0.31 m
0.08 m
- -
25 - 30 0.29 m
0.21 m
0.27 m
0.21 m
- - -
20 - 25 0.28 m
0.23 m
0.33 m
0.26 m
- - -
15 - 20 0.28 m
0.30 m
0.27 m
0.44 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 2021/03/25 02:59:59.00

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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