Leica SpiderQC v7.7 Quality Report


Program Run: 2021/11/20 10:03:18.44

File Details:


Observation File: pozo324j.21o
GPS Navigation File: pozo324j.21n
GLONASS Navigation File: pozo324j.21g
Galileo Navigation File: pozo324j.21l
BeiDou Navigation File: pozo324j.21f
Quality Testing:  Fail (See below for details) 

Station Details:


Marker Name/Number:  POZO  13468M001   
Observer/Agency:  IECA  Junta de Andalucia   
Receiver #/Type/Vers:  1832461  LEICA GR50  4.20/7.300 
Antenna #/Type:  21015005  LEIAR20 LEIM   
Antenna Offsets (HEN):  0.000  0.000  0.000 
Approx Position (XYZ):  4988767.003  -423244.328  3939354.591 
Approx Position (plh):  38° 23' 0.47934" N  4° 50' 57.59105" W  736.051m 
Diff. Est-Header:  No valid position estimate could be computed. 

Session Summary:


Time of first obs:  2021/11/20 09:00:00.00 GPS 
Time of last obs:  2021/11/20 09:59:59.00 GPS 
Session length:  59.98 minutes 
GPS week:  2184, day 6 
Observation interval:  1.00 seconds 
UTC leap seconds:  18 seconds 

Num SVs with obs:  34 
Num SVs with nav:  101 
Total GPS orbits:  37 
Total GLONASS orbits:  39 
Total Galileo orbits:  102 
Total BeiDou orbits:  31 
Total QZSS orbits: 
Total NavIC orbits: 
SVs with obs:  G1 G2 G3 G4 G6 G7 G9 G17 G19 G20 G22 G30 R1 R2 R3 R4 R10 R12 R17 R18 R24 E3 E7 E8 E13 E15 E33 C5 C9 C11 C12 C19 C21 C22  
SVs without obs:  G5 G8 G10 G11 G12 G13 G14 G15 G16 G18 G21 G23 G24 G25 G26 G27 G28 G29 G31 G32 R5 R6 R7 R8 R9 R11 R13 R14 R15 R16 R19 R20 R21 R22 R23 E1 E2 E4 E5 E6 E9 E10 E11 E12 E14 E16 E17 E18 E19 E20 E21 E22 E23 E24 E25 E26 E27 E28 E29 E30 E31 E32 E34 E35 E36 C1 C2 C3 C4 C6 C7 C8 C10 C13 C14 C15 C16 C17 C18 C20 C23 C24 C25 C26 C27 C28 C29 C30 C31 C32 C33 C34 C35 C36 C37 C38 C39 C40 C41 C42 C43 C44 C45 C46 C47 C48 C49 C50 C51 C52 C53 C54 C55 C56 C57 C58 C59 C60 C61 C62 C63 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 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 E18 E19 E21 E24 E25 E26 E27 E30 E31 E33 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C16 C18 C19 C20 C21 C22 C23 C24 C25 C26 C27 C28 C29 C30  
SVs without nav:  R11 E6 E10 E14 E16 E17 E20 E22 E23 E28 E29 E32 E34 E35 E36 C1 C2 C3 C4 C15 C17 C31 C32 C33 C34 C35 C36 C37 C38 C39 C40 C41 C42 C43 C44 C45 C46 C47 C48 C49 C50 C51 C52 C53 C54 C55 C56 C57 C58 C59 C60 C61 C62 C63  
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:  Fail  (See Error Messages) 
     
GPS Specific Tests 
Cycle Slips:  Pass  Value 2 slips, Threshold 58 slips 
Multipath:  Pass  Value 0.17m MP1 / 0.11m MP2 / 0.14m MP5, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 95.0 % 
Navigation Data:  Pass   
     
GLONASS Specific Tests 
Cycle Slips:  Pass  Value 0 slips, Threshold 116 slips 
Multipath:  Pass  Value 0.16m MP1 / 0.20m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 90.0 % 
Navigation Data:  Pass   
     
Galileo Specific Tests 
Cycle Slips:  Pass  Value 1 slips, Threshold 74 slips 
Multipath:  Pass  Value 0.08m MP1 / 0.14m MP5a / 0.16m MP5b / 0.07m 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 1 slips, Threshold 84 slips 
Multipath:  Pass  Value 0.34m MP1 / 0.18m MP2b, Threshold 0.5 m 
Data Completeness:  Pass  Value 96.8 %, Threshold 90.0 % 
Navigation Data:  Pass   

General Quality Indicators:


Tracking   
Num obs > 0°:  106139 
Num possible obs > 0°:  113358 
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°:  3144  (87.3 %) 
Epochs with full data > 15°:  3140  (87.2 %) 

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 
C21  7.583  1 / 456  21.73° / 23.78°  264.16° / 266.79° 
Total:  7.583 (455 observations) 

Receiver Clock 
Clock Slips > 15°: 
Max RX clock offset:  0.000000 ms (at 2021/11/20 09:00:00.00) 
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°:  106139  39375  27247  18222  21295 
Num possible obs > 0°:  113358  40029  27562  20917  24850 
Num obs with invalid nav: 
Num obs without nav: 
Num obs to unhealthy SV: 
               
Tracking over Elevation Mask (15°) 
Num obs > 15°:  74601  28919  19370  12368  13944 
% obs > 15°:   99.4 %  100.0 %  100.0 %  100.0 %  96.8 % 
Num possible obs > 15°:  75057  28919  19370  12368  14400 
Num complete obs > 15°:  74597  28919  19370  12368  13940 
% complete obs > 15°:   99.4 %  100.0 %  100.0 %  100.0 %  96.8 % 
Num obs with WLF change:  
Average # SV per Epoch:  20.7   8.0   5.4   3.4   3.9  
               
Observation ratio w.r.t. L1/E1/B1I: 
Obs L2/B1C:  1.823   1.704   2.000  
Obs E5b/B2I:  0.607   1.000   0.258  
Obs L5/E5a/B2a:  0.663   0.519   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:  0.005 %  0.007 %  0.008 %  0.007 % 
Num complete obs per slip:  18649   14459   12368   13940  
IOD Slips > 15°: 
Outliers > 15°: 
LLI : Obs L1/E1/B1I:  0.0000   0.0001  
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:  0.177 m  0.167 m  0.163 m  0.081 m  0.344 m 
MP (L2/B1C) RMS:  0.148 m  0.114 m  0.198 m 
MP (L5/E5a/B2a) RMS:  0.137 m  0.136 m  0.138 m 
MP (E5b/B2I) RMS:  0.161 m  0.158 m  0.175 m 
MP (E5a+b/B2a+b) RMS:  0.070 m  0.070 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 100.0 %
100.0 %
100.0 %
100.0 %
L2P 100.0 %
100.0 %
100.0 %
100.0 %
L2S 70.4 %
70.4 %
70.4 %
70.4 %
L2W 100.0 %
100.0 %
100.0 %
100.0 %
L5Q 66.3 %
66.3 %
66.3 %
66.3 %
L7I 25.8 %
25.8 %
25.8 %
25.8 %
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 16.32° 38.07° 3600 3600 (100.0 %)
0 (0.0 %) 0
G3 15.00° 28.84° 2763 2763 (100.0 %)
0 (0.0 %) 0
G4 29.73° 55.14° 3600 3600 (100.0 %)
0 (0.0 %) 1
G6 60.60° 75.46° 3600 3600 (100.0 %)
0 (0.0 %) 0
G7 22.06° 47.20° 3600 3600 (100.0 %)
0 (0.0 %) 0
G9 66.73° 87.74° 3600 3600 (100.0 %)
0 (0.0 %) 0
G17 15.01° 26.53° 1733 1733 (100.0 %)
0 (0.0 %) 1
G19 15.43° 37.25° 3600 3600 (100.0 %)
0 (0.0 %) 0
G20 15.00° 22.62° 1366 1366 (100.0 %)
0 (0.0 %) 0
G30 15.01° 25.27° 1457 1457 (100.0 %)
0 (0.0 %) 0

SV GLONASS Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
R1 15.00° 20.29° 886 886 (100.0 %)
0 (0.0 %) 0
R2 46.96° 62.91° 3600 3600 (100.0 %)
0 (0.0 %) 0
R3 32.15° 47.86° 3600 3600 (100.0 %)
0 (0.0 %) 0
R12 15.00° 27.39° 2340 2340 (100.0 %)
0 (0.0 %) 0
R17 40.36° 70.37° 3600 3600 (100.0 %)
0 (0.0 %) 0
R18 34.81° 52.78° 3600 3600 (100.0 %)
0 (0.0 %) 0
R24 15.01° 30.39° 1744 1744 (100.0 %)
0 (0.0 %) 0

SV Galileo Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
E7 56.00° 70.59° 3600 3600 (100.0 %)
0 (0.0 %) 0
E8 46.70° 66.76° 3600 3600 (100.0 %)
0 (0.0 %) 1
E13 47.45° 73.38° 3600 3600 (100.0 %)
0 (0.0 %) 0
E15 15.00° 22.57° 1303 1303 (100.0 %)
0 (0.0 %) 0
E33 15.00° 16.31° 265 265 (100.0 %)
0 (0.0 %) 0

SV BeiDou Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
C12 37.69° 42.01° 3600 3600 (100.0 %)
0 (0.0 %) 0
C19 24.87° 42.24° 3600 3600 (100.0 %)
0 (0.0 %) 0
C21 23.79° 37.82° 3600 3144 (87.3 %)
0 (0.0 %) 1
C22 66.94° 68.95° 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
G2 4.8 %
0.0 %
100.0 %
0.0 %
100.0 %
G3 3.7 %
0.0 %
0.0 %
0.0 %
0.0 %
G4 4.8 %
0.0 %
0.0 %
0.0 %
0.0 %
G6 4.8 %
0.0 %
0.0 %
0.0 %
0.0 %
G7 4.8 %
0.0 %
0.0 %
0.0 %
100.0 %
G9 4.8 %
0.0 %
0.0 %
0.0 %
0.0 %
G17 2.3 %
0.0 %
0.0 %
0.0 %
100.0 %
G19 4.8 %
0.0 %
100.0 %
0.0 %
100.0 %
G20 1.8 %
0.0 %
100.0 %
0.0 %
100.0 %
G30 2.0 %
0.0 %
0.0 %
0.0 %
0.0 %

SV GLONASS Observations Missing L1C Missing L2C Missing L2P
R1 1.2 %
0.0 %
0.0 %
0.0 %
R2 4.8 %
0.0 %
0.0 %
0.0 %
R3 4.8 %
0.0 %
0.0 %
0.0 %
R12 3.1 %
0.0 %
0.0 %
0.0 %
R17 4.8 %
0.0 %
0.0 %
0.0 %
R18 4.8 %
0.0 %
0.0 %
0.0 %
R24 2.3 %
0.0 %
0.0 %
0.0 %

SV Galileo Observations Missing L1C Missing L5Q Missing L7Q Missing L8Q
E7 4.8 %
0.0 %
0.0 %
0.0 %
0.0 %
E8 4.8 %
0.0 %
0.0 %
0.0 %
0.0 %
E13 4.8 %
0.0 %
0.0 %
0.0 %
0.0 %
E15 1.7 %
0.0 %
0.0 %
0.0 %
0.0 %
E33 0.4 %
0.0 %
0.0 %
0.0 %
0.0 %

SV BeiDou Observations Missing L2I Missing L7I
C12 4.8 %
0.0 %
0.0 %
C19 4.8 %
0.0 %
100.0 %
C21 4.2 %
0.1 %
100.0 %
C22 4.8 %
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 %
G17 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 %
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 %
R12 0.0 %
0.0 %
0.0 %
R17 0.0 %
0.0 %
0.0 %
R18 0.0 %
0.0 %
0.0 %
R24 0.0 %
0.0 %
0.0 %

SV Galileo Missing C1C Missing C5Q Missing C7Q Missing C8Q
E7 0.0 %
0.0 %
0.0 %
0.0 %
E8 0.0 %
0.0 %
0.0 %
0.0 %
E13 0.0 %
0.0 %
0.0 %
0.0 %
E15 0.0 %
0.0 %
0.0 %
0.0 %
E33 0.0 %
0.0 %
0.0 %
0.0 %

SV BeiDou Missing C2I Missing C7I
C12 0.0 %
0.0 %
C19 0.0 %
100.0 %
C21 0.0 %
100.0 %
C22 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
1.5 %
80 - 85 0
0
0
0
0
0
1.0 %
75 - 80 0
0
0
0
0
0
2.0 %
70 - 75 0
0
0
0
0
0
3.8 %
65 - 70 0
0
0
0
0
0
10.7 %
60 - 65 0
0
0
0
0
0
6.3 %
55 - 60 0
0
0
0
0
0
5.5 %
50 - 55 0
0
1
0
0
0
6.7 %
45 - 50 0
0
0
0
0
0
6.6 %
40 - 45 0
0
0
0
0
0
9.6 %
35 - 40 1
0
0
0
0
0
8.8 %
30 - 35 0
0
0
0
0
0
7.9 %
25 - 30 0
0
0
0
0
0
9.0 %
20 - 25 0
0
0
1
0
0
9.7 %
15 - 20 1
0
0
0
0
0
10.9 %
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 43.9
43.1
-
G3 40.7
45.2
47.9
G4 47.2
50.4
52.3
G6 53.9
56.0
58.1
G7 46.6
46.6
-
G9 54.7
56.2
58.5
G17 41.8
43.4
-
G19 43.0
42.7
-
G20 40.6
39.1
-
G30 40.8
44.4
48.1
Average GPS: 45.3
46.7
53.0

SV GLONASS G1 G2
R1 39.7
36.0
R2 54.3
49.8
R3 49.1
48.2
R12 44.7
43.0
R17 52.0
50.6
R18 51.9
49.2
R24 44.7
42.5
Average GLONASS: 48.1
45.6

SV Galileo E1 E5a E5b E5a+b
E7 53.9
55.3
56.7
58.8
E8 52.9
54.1
55.4
57.6
E13 53.3
54.6
55.8
58.0
E15 41.7
45.1
46.3
48.6
E33 40.4
44.1
45.1
47.4
Average Galileo: 48.4
50.6
51.9
54.1

SV BeiDou B1I B2I
C12 46.3
52.3
C19 45.9
-
C21 46.3
-
C22 54.1
-
Average BeiDou: 48.1
52.3

Code multipath by satellite > 15°: 
SV GPS Av Elev MP (L1) MP (L2) MP (L5)
G2 27.2 ° 0.26 m
0.23 m
-
G3 21.9 ° 0.22 m
0.13 m
0.29 m
G4 42.4 ° 0.08 m
0.06 m
0.14 m
G6 68.0 ° 0.08 m
0.03 m
0.06 m
G7 34.6 ° 0.09 m
0.07 m
-
G9 77.2 ° 0.04 m
0.03 m
0.05 m
G17 20.8 ° 0.16 m
0.07 m
-
G19 26.3 ° 0.11 m
0.12 m
-
G20 18.8 ° 0.49 m
0.29 m
-
G30 20.1 ° 0.15 m
0.10 m
0.15 m
Average GPS: - 0.17 m
0.11 m
0.14 m

SV GLONASS Av Elev MP (G1) MP (G2)
R1 17.6 ° 0.43 m
0.47 m
R2 54.9 ° 0.04 m
0.11 m
R3 40.0 ° 0.15 m
0.14 m
R12 21.2 ° 0.20 m
0.29 m
R17 55.4 ° 0.07 m
0.07 m
R18 43.8 ° 0.10 m
0.15 m
R24 22.7 ° 0.15 m
0.15 m
Average GLONASS: - 0.16 m
0.20 m

SV Galileo Av Elev MP (E1) MP (E5a) MP (E5b) MP (E5a+b)
E7 63.3 ° 0.04 m
0.09 m
0.09 m
0.03 m
E8 56.7 ° 0.04 m
0.11 m
0.11 m
0.03 m
E13 60.4 ° 0.05 m
0.06 m
0.06 m
0.03 m
E15 18.8 ° 0.17 m
0.27 m
0.30 m
0.18 m
E33 15.7 ° 0.11 m
0.17 m
0.24 m
0.09 m
Average Galileo: - 0.08 m
0.14 m
0.16 m
0.07 m

SV BeiDou Av Elev MP (B1I) MP (B2I)
C12 39.8 ° 0.14 m
0.18 m
C19 33.6 ° 0.73 m
-
C21 30.8 ° 0.34 m
-
C22 67.9 ° 0.16 m
-
Average BeiDou: - 0.34 m
0.18 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 0.04 m
0.03 m
0.04 m
- - - -
80 - 85 0.03 m
0.02 m
0.04 m
- - - -
75 - 80 0.06 m
0.03 m
0.06 m
- - - -
70 - 75 0.04 m
0.03 m
0.06 m
0.06 m
0.02 m
- -
65 - 70 0.10 m
0.04 m
0.07 m
0.08 m
0.03 m
- -
60 - 65 0.06 m
0.08 m
0.07 m
0.05 m
0.03 m
- -
55 - 60 0.04 m
0.09 m
0.08 m
0.10 m
0.03 m
- -
50 - 55 0.06 m
0.11 m
0.12 m
0.11 m
0.03 m
- -
45 - 50 0.07 m
0.09 m
0.10 m
0.13 m
0.02 m
- -
40 - 45 0.19 m
0.12 m
0.11 m
0.16 m
- - -
35 - 40 0.26 m
0.12 m
0.17 m
0.22 m
- - -
30 - 35 0.16 m
0.12 m
0.19 m
- - - -
25 - 30 0.32 m
0.14 m
0.27 m
- - - -
20 - 25 0.20 m
0.17 m
0.21 m
0.23 m
0.11 m
- -
15 - 20 0.28 m
0.24 m
0.26 m
0.31 m
0.19 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 2021/11/20 09:59:59.00
- There was a problem estimating the site coordinates. No valid position estimate could be computed.

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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