Leica SpiderQC v7.5 Quality Report


Program Run: 2021/03/21 19:01:46.40

File Details:


Observation File: arac080s.21o
GPS Navigation File: arac080s.21n
GLONASS Navigation File: arac080s.21g
Galileo Navigation File: arac080s.21l
BeiDou Navigation File: arac080s.21f
Quality Testing:  Fail (See below for details) 

Station Details:


Marker Name/Number:  ARAC  13467M001   
Observer/Agency:  IECA  Junta de Andalucia   
Receiver #/Type/Vers:  1831536  LEICA GR25  4.11/6.524 
Antenna #/Type:  18313004  LEIAR20 LEIM   
Antenna Offsets (HEN):  0.077  0.000  0.000 
Approx Position (XYZ):  5007190.783  -576288.615  3896600.471 
Approx Position (plh):  37° 53' 37.95786" N  6° 33' 55.47672" W  725.103m 
Diff. Est-Header:  1.2 m dX  -6.0 m dY  2.8 m dZ 
Diff. Est-Header:  6.7 m (3600 estimates) 

Session Summary:


Time of first obs:  2021/03/21 18:00:00.00 GPS 
Time of last obs:  2021/03/21 18:59:59.00 GPS 
Session length:  59.98 minutes 
GPS week:  2150, day 0 
Observation interval:  1.00 seconds 
UTC leap seconds:  18 seconds 

Num SVs with obs:  31 
Num SVs with nav:  97 
Total GPS orbits:  45 
Total GLONASS orbits:  40 
Total Galileo orbits:  70 
Total BeiDou orbits:  26 
Total QZSS orbits: 
Total NavIC orbits: 
SVs with obs:  G1 G7 G8 G10 G16 G18 G20 G21 G22 G23 G26 G27 R1 R2 R3 R9 R14 R15 R16 R17 R18 R24 E13 E15 E21 E27 C5 C14 C27 C28 C30  
SVs without obs:  G2 G3 G4 G5 G6 G9 G11 G12 G13 G14 G15 G17 G19 G24 G25 G28 G29 G30 G31 G32 R4 R5 R6 R7 R8 R10 R11 R12 R13 R19 R20 R21 R22 R23 E1 E2 E3 E4 E5 E6 E7 E8 E9 E10 E11 E12 E14 E16 E17 E18 E19 E20 E22 E23 E24 E25 E26 E28 E29 E30 E31 E32 E33 E34 E35 E36 C1 C2 C3 C4 C6 C7 C8 C9 C10 C11 C12 C13 C15 C16 C17 C18 C19 C20 C21 C22 C23 C24 C25 C26 C29 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 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 E24 E25 E26 E27 E30 E31 E33 C5 C8 C9 C10 C11 C12 C13 C14 C16 C19 C20 C21 C22 C23 C24 C25 C26 C27 C28 C29 C30  
SVs without nav:  R11 E6 E10 E14 E16 E17 E18 E20 E22 E23 E28 E29 E32 E34 E35 E36 C1 C2 C3 C4 C6 C7 C15 C17 C18 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 3 slips, Threshold 67 slips 
Multipath:  Pass  Value 0.16m MP1 / 0.16m MP2 / 0.26m MP5, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 95.0 % 
Navigation Data:  Pass   
     
GLONASS Specific Tests 
Cycle Slips:  Pass  Value 1 slips, Threshold 120 slips 
Multipath:  Pass  Value 0.15m MP1 / 0.28m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 90.0 % 
Navigation Data:  Pass   
     
Galileo Specific Tests 
Cycle Slips:  Pass  Value 0 slips, Threshold 86 slips 
Multipath:  Pass  Value 0.11m MP1 / 0.24m MP5a / 0.23m MP5b / 0.04m MP5a+b, Threshold 0.5 m 
Data Completeness:  Pass  Value 90.7 %, Threshold 90.0 % 
Navigation Data:  Pass   
     
BeiDou Specific Tests 
Cycle Slips:  Pass  Value 1 slips, Threshold 70 slips 
Multipath:  Fail  Value 0.56m MP1 / 0.26m MP2b, Threshold 0.5 m 
Data Completeness:  Pass  Value 99.8 %, Threshold 90.0 % 
Navigation Data:  Pass   

General Quality Indicators:


Tracking   
Num obs > 0°:  95236 
Num possible obs > 0°:  108848 
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°:  2125  (59.0 %) 
Epochs with full data > 15°:  2125  (59.0 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.5  2.7  2.6 
GDOP  3.1  3.2  3.2 

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 
E30  24.567  1 / 1475  23.72° / 15.01°  154.87° / 157.83° 
Total:  24.567 (1474 observations) 

Receiver Clock 
Clock Slips > 15°: 
Max RX clock offset:  0.000026 ms (at 2021/03/21 18:23:24.00) 
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°:  95236  37442  26857  14400  16537 
Num possible obs > 0°:  108848  40364  32243  18000  18241 
Num obs with invalid nav: 
Num obs without nav: 
Num obs to unhealthy SV: 
               
Tracking over Elevation Mask (15°) 
Num obs > 15°:  79305  33347  19938  14400  11620 
% obs > 15°:   98.1 %  100.0 %  100.0 %  90.7 %  99.8 % 
Num possible obs > 15°:  80802  33347  19938  15875  11642 
Num complete obs > 15°:  79305  33347  19938  14400  11620 
% complete obs > 15°:   98.1 %  100.0 %  100.0 %  90.7 %  99.8 % 
Num obs with WLF change:  
Average # SV per Epoch:  22.0   9.3   5.5   4.0   3.2  
               
Observation ratio w.r.t. L1/E1/B1I: 
Obs L2/B1C:  1.797   1.676   2.000  
Obs E5b/B2I:  0.602   1.000   0.110  
Obs L5/E5a/B2a:  0.706   0.578   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 %  0.009 %  0.005 %  0.009 % 
Num complete obs per slip:  15861   11115   19938   11620  
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:  0.208 m  0.159 m  0.146 m  0.113 m  0.562 m 
MP (L2/B1C) RMS:  0.210 m  0.160 m  0.279 m 
MP (L5/E5a/B2a) RMS:  0.252 m  0.260 m  0.238 m 
MP (E5b/B2I) RMS:  0.241 m  0.235 m  0.263 m 
MP (E5a+b/B2a+b) RMS:  0.040 m  0.040 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 67.6 %
67.6 %
67.6 %
67.6 %
L2W 100.0 %
100.0 %
100.0 %
100.0 %
L5Q 70.6 %
70.6 %
70.6 %
70.6 %
L7I 11.0 %
11.0 %
11.0 %
11.0 %
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
G1 15.00° 16.69° 295 295 (100.0 %)
0 (0.0 %) 0
G7 15.00° 16.57° 3256 3256 (100.0 %)
0 (0.0 %) 1
G8 31.23° 51.85° 3600 3600 (100.0 %)
0 (0.0 %) 0
G10 42.69° 49.84° 3600 3600 (100.0 %)
0 (0.0 %) 0
G16 49.74° 80.10° 3600 3600 (100.0 %)
0 (0.0 %) 0
G18 15.00° 21.37° 996 996 (100.0 %)
0 (0.0 %) 0
G20 15.68° 32.86° 3600 3600 (100.0 %)
0 (0.0 %) 0
G21 18.90° 40.96° 3600 3600 (100.0 %)
0 (0.0 %) 0
G23 24.93° 37.09° 3600 3600 (100.0 %)
0 (0.0 %) 2
G26 22.17° 49.66° 3600 3600 (100.0 %)
0 (0.0 %) 0
G27 62.03° 68.92° 3600 3600 (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° 30.45° 3573 3573 (100.0 %)
0 (0.0 %) 0
R3 15.00° 21.55° 897 897 (100.0 %)
0 (0.0 %) 0
R9 15.00° 19.54° 774 774 (100.0 %)
0 (0.0 %) 0
R14 15.00° 17.48° 294 294 (100.0 %)
0 (0.0 %) 0
R15 27.66° 60.26° 3600 3600 (100.0 %)
0 (0.0 %) 1
R16 38.48° 48.49° 3600 3600 (100.0 %)
0 (0.0 %) 0
R17 34.35° 53.08° 3600 3600 (100.0 %)
0 (0.0 %) 0
R18 45.46° 53.57° 3600 3600 (100.0 %)
0 (0.0 %) 0

SV Galileo Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
E13 54.16° 65.44° 3600 3600 (100.0 %)
0 (0.0 %) 0
E15 45.39° 64.15° 3600 3600 (100.0 %)
0 (0.0 %) 0
E21 40.55° 53.38° 3600 3600 (100.0 %)
0 (0.0 %) 0
E27 47.46° 72.05° 3600 3600 (100.0 %)
0 (0.0 %) 0
E30 - - 1475 0 (0.0 %)
0 (0.0 %) 0

SV BeiDou Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
C14 15.00° 16.26° 1273 1273 (100.0 %)
0 (0.0 %) 0
C27 59.92° 67.33° 3600 3600 (100.0 %)
0 (0.0 %) 0
C28 32.73° 49.63° 3600 3600 (100.0 %)
0 (0.0 %) 0
C30 15.10° 28.87° 3169 3147 (99.3 %)
0 (0.0 %) 1

Missing phase observations by satellite > 15°: 
SV GPS Observations Missing L1C Missing L2S Missing L2W Missing L5Q
G1 0.4 %
0.0 %
0.0 %
0.0 %
0.0 %
G7 4.1 %
0.0 %
0.0 %
0.2 %
100.0 %
G8 4.5 %
0.0 %
0.0 %
0.0 %
0.0 %
G10 4.5 %
0.0 %
0.0 %
0.0 %
0.0 %
G16 4.5 %
0.0 %
100.0 %
0.0 %
100.0 %
G18 1.3 %
0.0 %
0.0 %
0.0 %
0.0 %
G20 4.5 %
0.0 %
100.0 %
0.0 %
100.0 %
G21 4.5 %
0.0 %
100.0 %
0.0 %
100.0 %
G23 4.5 %
0.0 %
0.0 %
0.0 %
0.0 %
G26 4.5 %
0.0 %
0.0 %
0.0 %
0.0 %
G27 4.5 %
0.0 %
0.0 %
0.0 %
0.0 %

SV GLONASS Observations Missing L1C Missing L2C Missing L2P
R2 4.5 %
0.0 %
0.0 %
0.0 %
R3 1.1 %
0.0 %
0.0 %
0.0 %
R9 1.0 %
0.0 %
0.0 %
0.0 %
R14 0.4 %
0.0 %
0.0 %
0.0 %
R15 4.5 %
0.0 %
0.0 %
0.0 %
R16 4.5 %
0.0 %
0.0 %
0.0 %
R17 4.5 %
0.0 %
0.0 %
0.0 %
R18 4.5 %
0.0 %
0.0 %
0.0 %

SV Galileo Observations Missing L1C Missing L5Q Missing L7Q Missing L8Q
E13 4.5 %
0.0 %
0.0 %
0.0 %
0.0 %
E15 4.5 %
0.0 %
0.0 %
0.0 %
0.0 %
E21 4.5 %
0.0 %
0.0 %
0.0 %
0.0 %
E27 4.5 %
0.0 %
0.0 %
0.0 %
0.0 %

SV BeiDou Observations Missing L2I Missing L7I
C14 1.6 %
0.0 %
0.0 %
C27 4.5 %
0.0 %
100.0 %
C28 4.5 %
0.0 %
100.0 %
C30 4.0 %
0.0 %
100.0 %

Missing code observations by satellite > 15°: 
SV GPS Missing C1C Missing C2S Missing C2W Missing C5Q
G1 0.0 %
0.0 %
0.0 %
0.0 %
G7 0.0 %
0.0 %
0.2 %
100.0 %
G8 0.0 %
0.0 %
0.0 %
0.0 %
G10 0.0 %
0.0 %
0.0 %
0.0 %
G16 0.0 %
100.0 %
0.0 %
100.0 %
G18 0.0 %
0.0 %
0.0 %
0.0 %
G20 0.0 %
100.0 %
0.0 %
100.0 %
G21 0.0 %
100.0 %
0.0 %
100.0 %
G23 0.0 %
0.0 %
0.0 %
0.0 %
G26 0.0 %
0.0 %
0.0 %
0.0 %
G27 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 %
R9 0.0 %
0.0 %
0.0 %
R14 0.0 %
0.0 %
0.0 %
R15 0.0 %
0.0 %
0.0 %
R16 0.0 %
0.0 %
0.0 %
R17 0.0 %
0.0 %
0.0 %
R18 0.0 %
0.0 %
0.0 %

SV Galileo Missing C1C Missing C5Q Missing C7Q Missing C8Q
E13 0.0 %
0.0 %
0.0 %
0.0 %
E15 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 %
C27 0.0 %
100.0 %
C28 0.0 %
100.0 %
C30 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
0.7 %
70 - 75 0
0
0
0
0
0
1.2 %
65 - 70 0
0
0
0
0
0
7.7 %
60 - 65 0
0
0
0
0
0
8.3 %
55 - 60 0
0
0
0
0
0
5.3 %
50 - 55 0
0
0
0
0
0
9.5 %
45 - 50 0
0
0
0
0
0
16.8 %
40 - 45 0
1
0
0
0
0
8.4 %
35 - 40 0
0
0
0
0
0
8.1 %
30 - 35 0
0
0
0
0
0
7.3 %
25 - 30 2
0
0
0
0
0
7.8 %
20 - 25 0
0
0
0
0
0
6.0 %
15 - 20 1
0
0
1
0
0
13.0 %
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
G1 39.0
42.1
49.0
G7 40.9
40.4
-
G8 47.2
48.7
52.3
G10 50.0
49.5
52.7
G16 49.5
48.5
-
G18 41.6
44.1
49.6
G20 43.1
38.5
-
G21 44.5
40.0
-
G23 45.8
47.1
51.6
G26 45.1
46.8
51.8
G27 51.1
51.4
53.3
Average GPS: 45.2
45.2
51.5

SV GLONASS G1 G2
R2 44.0
43.3
R3 41.2
41.9
R9 41.2
43.1
R14 40.7
41.0
R15 48.6
47.3
R16 45.2
44.3
R17 49.2
48.0
R18 48.9
49.1
Average GLONASS: 44.9
44.8

SV Galileo E1 E5a E5b E5a+b
E13 52.2
52.8
52.6
51.0
E15 51.9
52.6
52.4
50.7
E21 51.3
52.1
51.9
49.8
E27 52.1
52.7
52.5
50.9
Average Galileo: 51.9
52.6
52.3
50.6

SV BeiDou B1I B2I
C14 38.8
42.9
C27 51.2
-
C28 48.3
-
C30 43.1
-
Average BeiDou: 45.4
42.9

Code multipath by satellite > 15°: 
SV GPS Av Elev MP (L1) MP (L2) MP (L5)
G1 15.8 ° 0.17 m
0.12 m
0.42 m
G7 15.8 ° 0.18 m
0.20 m
-
G8 41.5 ° 0.11 m
0.09 m
0.23 m
G10 46.3 ° 0.07 m
0.08 m
0.14 m
G16 64.9 ° 0.07 m
0.09 m
-
G18 18.2 ° 0.29 m
0.23 m
0.37 m
G20 24.3 ° 0.24 m
0.36 m
-
G21 29.9 ° 0.25 m
0.30 m
-
G23 31.0 ° 0.14 m
0.12 m
0.28 m
G26 35.9 ° 0.14 m
0.10 m
0.18 m
G27 65.5 ° 0.09 m
0.06 m
0.20 m
Average GPS: - 0.16 m
0.16 m
0.26 m

SV GLONASS Av Elev MP (G1) MP (G2)
R2 22.7 ° 0.14 m
0.24 m
R3 18.3 ° 0.20 m
0.34 m
R9 17.3 ° 0.20 m
0.37 m
R14 16.2 ° 0.17 m
0.34 m
R15 44.0 ° 0.10 m
0.28 m
R16 43.5 ° 0.11 m
0.19 m
R17 43.7 ° 0.14 m
0.27 m
R18 49.5 ° 0.10 m
0.20 m
Average GLONASS: - 0.15 m
0.28 m

SV Galileo Av Elev MP (E1) MP (E5a) MP (E5b) MP (E5a+b)
E13 59.8 ° 0.13 m
0.18 m
0.18 m
0.02 m
E15 54.8 ° 0.13 m
0.26 m
0.31 m
0.02 m
E21 47.0 ° 0.11 m
0.30 m
0.28 m
0.04 m
E27 59.8 ° 0.08 m
0.21 m
0.17 m
0.07 m
Average Galileo: - 0.11 m
0.24 m
0.23 m
0.04 m

SV BeiDou Av Elev MP (B1I) MP (B2I)
C14 15.6 ° 0.20 m
0.26 m
C27 63.6 ° 0.47 m
-
C28 41.2 ° 0.16 m
-
C30 22.0 ° 1.41 m
-
Average BeiDou: - 0.56 m
0.26 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 0.08 m
0.08 m
- - - - -
70 - 75 0.07 m
0.09 m
0.09 m
0.21 m
0.03 m
- -
65 - 70 0.19 m
0.06 m
0.20 m
0.15 m
0.04 m
- -
60 - 65 0.21 m
0.09 m
0.20 m
0.18 m
0.03 m
- -
55 - 60 0.10 m
0.13 m
0.21 m
0.22 m
0.04 m
- -
50 - 55 0.09 m
0.17 m
0.23 m
0.25 m
0.05 m
- -
45 - 50 0.11 m
0.16 m
0.19 m
0.36 m
0.04 m
- -
40 - 45 0.12 m
0.16 m
0.27 m
0.19 m
0.05 m
- -
35 - 40 0.14 m
0.19 m
0.24 m
- - - -
30 - 35 0.17 m
0.19 m
0.28 m
- - - -
25 - 30 0.41 m
0.27 m
0.23 m
- - - -
20 - 25 0.34 m
0.31 m
0.30 m
- - - -
15 - 20 0.39 m
0.26 m
0.37 m
0.26 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 2021/03/21 18:59:59.00

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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