Leica SpiderQC v4.4 Quality Report


Program Run: 2016/02/03 00:05:31.13

File Details:


Observation File: yaiz0330.16o
GPS Navigation File: yaiz0330.16n
GLONASS Navigation File: yaiz0330.16g
Quality Testing:  Pass 

Station Details:


Marker Name/Number:  YAIZ  31326M001   
Observer/Agency:       
Receiver #/Type/Vers:  495478  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):  5425196.210  -1329094.129  3069344.538 
Approx Position (plh):  28° 57' 6.62215" N  13° 45' 55.85104" W  233.531m 
Diff. Est-Header:  0.9 m dX  -6.7 m dY  4.3 m dZ 
Diff. Est-Header:  8.0 m (2880 estimates) 

Session Summary:


Time of first obs:  2016/02/02 00:00:00.00 GPS 
Time of last obs:  2016/02/02 23:59:30.00 GPS 
Session length:  23.99 hours 
GPS week:  1882, day 2 
Observation interval:  30.00 seconds 
UTC leap seconds:  17 seconds 

Num SVs with obs:  52 
Num SVs with nav:  53 
Total GPS orbits:  175 
Total GLONASS orbits:  350 
Total Galileo orbits: 
SVs with obs:  G1 G2 G3 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 R1 R2 R3 R4 R5 R6 R7 R8 R9 R11 R12 R13 R14 R15 R16 R18 R19 R20 R21 R22 R23 R24  
SVs without obs:  G4 G32 R10 R17 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 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 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R18 R19 R20 R21 R22 R23 R24  
SVs without nav:  G4 G32 R17  
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 15 slips, Threshold 43 slips 
Multipath:  Pass  Value 0.15m MP1 / 0.19m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 99.9 %, Threshold 95.0 % 
Navigation Data:  Pass   
     
GLONASS Specific Tests 
Cycle Slips:  Pass  Value 10 slips, Threshold 95 slips 
Multipath:  Pass  Value 0.16m MP1 / 0.23m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 99.9 %, Threshold 90.0 % 
Navigation Data:  Pass   

General Quality Indicators:


Tracking   
Num obs > 0°:  41512 
Num possible obs > 0°:  49528 
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°:  23864 
Num obs GLONASS > 0°:  17648 
Num obs Galileo > 0°: 
Num obs All > 0°:  41512 

Epochs with < 5 SV > 15°:  (0.0 %) 
Epochs with all SV > 15°:  2862  (99.4 %) 
Epochs with full data > 15°:  2842  (98.7 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.7  5.5  3.5 
GDOP  3.3  6.9  4.3 

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 
R12  4.000  1922 / 1930  68.09° / 68.09°  294.22° / 294.22° 
Total:  4.000 (8 observations) 

Receiver Clock 
Clock Slips > 15°: 
Max RX clock offset:  0.000042 ms (at 2016/02/02 00:16:00.00) 
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°:  37075  21285  15790 
% obs > 15°:   100.0 %  100.0 %  99.9 % 
Num possible obs > 15°:  37093  21290  15803 
Num complete obs > 15°:  37055  21269  15786 
% complete obs > 15°:   99.9 %  99.9 %  99.9 % 
Average # SV per Epoch:  12.9   7.4   5.5  
         
Obs L2 : Obs L1:  1.000   1.000   1.000  
Obs L5 : Obs L1: 

Cycle Slips         
Num cycle slips > 15°:  25  15  10 
% slips per complete obs:  0.067 %  0.071 %  0.063 % 
Num complete obs per slip:  148220   141793   157860  
IOD Slips > 15°:  18  14 
Outliers > 15°: 
LLI L1 : Obs L1:  0.0001   0.0001  
LLI L2 : Obs L2:  0.0001   0.0002  
LLI L5 : Obs L5: 

Multipath         
MP1 RMS:  0.155 m  0.148 m  0.164 m 
MP2 RMS:  0.209 m  0.192 m  0.233 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 99.9 %
N/A N/A
L2P 100.0 %
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 15.01° 55.96° 846 846 (100.0 %)
0 (0.0 %) 0
G2 15.03° 62.19° 574 574 (100.0 %)
0 (0.0 %) 0
G3 15.07° 78.50° 733 733 (100.0 %)
0 (0.0 %) 0
G5 15.01° 85.55° 702 702 (100.0 %)
0 (0.0 %) 0
G6 15.06° 85.42° 654 654 (100.0 %)
0 (0.0 %) 2
G7 15.00° 56.14° 689 689 (100.0 %)
0 (0.0 %) 0
G8 15.01° 67.79° 799 799 (100.0 %)
0 (0.0 %) 0
G9 15.02° 88.88° 672 672 (100.0 %)
0 (0.0 %) 0
G10 15.01° 43.68° 801 801 (100.0 %)
0 (0.0 %) 0
G11 15.12° 62.93° 816 816 (100.0 %)
0 (0.0 %) 0
G12 15.05° 85.40° 675 675 (100.0 %)
0 (0.0 %) 0
G13 15.07° 55.83° 842 842 (100.0 %)
0 (0.0 %) 0
G14 15.00° 61.66° 565 563 (99.6 %)
0 (0.0 %) 7
G15 15.04° 76.04° 758 758 (100.0 %)
0 (0.0 %) 0
G16 15.02° 78.12° 730 730 (100.0 %)
0 (0.0 %) 0
G17 15.03° 61.72° 562 562 (100.0 %)
0 (0.0 %) 0
G18 15.01° 39.80° 810 810 (100.0 %)
0 (0.0 %) 0
G19 15.02° 59.04° 653 653 (100.0 %)
0 (0.0 %) 0
G20 15.04° 66.95° 595 595 (100.0 %)
0 (0.0 %) 0
G21 15.13° 61.96° 601 598 (99.5 %)
0 (0.0 %) 4
G22 15.13° 63.72° 593 593 (100.0 %)
0 (0.0 %) 0
G23 15.12° 71.21° 617 617 (100.0 %)
0 (0.0 %) 1
G24 15.15° 57.35° 844 844 (100.0 %)
0 (0.0 %) 1
G25 15.04° 66.31° 792 792 (100.0 %)
0 (0.0 %) 0
G26 15.07° 70.11° 791 791 (100.0 %)
0 (0.0 %) 0
G27 15.02° 56.91° 853 853 (100.0 %)
0 (0.0 %) 0
G28 15.02° 38.86° 820 820 (100.0 %)
0 (0.0 %) 0
G29 15.04° 81.53° 642 642 (100.0 %)
0 (0.0 %) 0
G30 15.10° 68.51° 594 594 (100.0 %)
0 (0.0 %) 0
G31 15.02° 85.03° 667 667 (100.0 %)
0 (0.0 %) 0
R1 15.13° 74.58° 608 608 (100.0 %)
0 (0.0 %) 0
R2 15.05° 80.53° 717 717 (100.0 %)
0 (0.0 %) 0
R3 15.02° 56.38° 830 830 (100.0 %)
0 (0.0 %) 0
R4 15.02° 63.24° 812 812 (100.0 %)
0 (0.0 %) 0
R5 15.01° 87.26° 602 602 (100.0 %)
0 (0.0 %) 0
R6 15.07° 67.45° 643 643 (100.0 %)
0 (0.0 %) 0
R7 15.01° 47.91° 763 763 (100.0 %)
0 (0.0 %) 1
R8 15.02° 52.76° 740 740 (100.0 %)
0 (0.0 %) 0
R9 15.07° 40.63° 710 710 (100.0 %)
0 (0.0 %) 2
R11 15.19° 87.43° 542 542 (100.0 %)
0 (0.0 %) 0
R12 15.02° 68.25° 583 570 (97.8 %)
0 (0.0 %) 2
R13 15.07° 46.60° 780 780 (100.0 %)
0 (0.0 %) 1
R14 15.10° 72.35° 937 937 (100.0 %)
0 (0.0 %) 1
R15 15.03° 83.81° 794 794 (100.0 %)
0 (0.0 %) 1
R16 15.00° 55.24° 791 791 (100.0 %)
0 (0.0 %) 0
R18 15.05° 70.50° 973 973 (100.0 %)
0 (0.0 %) 0
R19 15.11° 50.96° 808 808 (100.0 %)
0 (0.0 %) 0
R20 15.02° 73.29° 607 607 (100.0 %)
0 (0.0 %) 1
R21 15.15° 82.45° 532 532 (100.0 %)
0 (0.0 %) 1
R22 15.01° 58.46° 633 633 (100.0 %)
0 (0.0 %) 0
R23 15.01° 40.42° 712 712 (100.0 %)
0 (0.0 %) 0
R24 15.02° 61.45° 686 686 (100.0 %)
0 (0.0 %) 0

Missing phase observations by satellite > 15°: 
SV Observations Missing L1 Missing L2
G1 2.3 %
0.0 %
0.0 %
G2 1.5 %
0.0 %
0.0 %
G3 2.0 %
0.0 %
0.0 %
G5 1.9 %
0.0 %
0.0 %
G6 1.8 %
0.0 %
0.0 %
G7 1.9 %
0.0 %
0.0 %
G8 2.2 %
0.0 %
0.0 %
G9 1.8 %
0.0 %
0.0 %
G10 2.2 %
0.0 %
0.0 %
G11 2.2 %
0.0 %
0.0 %
G12 1.8 %
0.0 %
0.0 %
G13 2.3 %
0.0 %
0.0 %
G14 1.5 %
0.7 %
1.4 %
G15 2.0 %
0.0 %
0.0 %
G16 2.0 %
0.0 %
0.0 %
G17 1.5 %
0.0 %
0.0 %
G18 2.2 %
0.0 %
0.0 %
G19 1.8 %
0.0 %
0.0 %
G20 1.6 %
0.0 %
0.0 %
G21 1.6 %
0.5 %
1.3 %
G22 1.6 %
0.0 %
0.0 %
G23 1.7 %
0.0 %
0.0 %
G24 2.3 %
0.0 %
0.0 %
G25 2.1 %
0.0 %
0.0 %
G26 2.1 %
0.0 %
0.0 %
G27 2.3 %
0.0 %
0.0 %
G28 2.2 %
0.0 %
0.0 %
G29 1.7 %
0.0 %
0.0 %
G30 1.6 %
0.0 %
0.0 %
G31 1.8 %
0.0 %
0.0 %
R1 1.6 %
0.0 %
0.0 %
R2 1.9 %
0.0 %
0.0 %
R3 2.2 %
0.0 %
0.0 %
R4 2.2 %
0.0 %
0.0 %
R5 1.6 %
0.0 %
0.0 %
R6 1.7 %
0.0 %
0.0 %
R7 2.1 %
0.0 %
0.0 %
R8 2.0 %
0.0 %
0.0 %
R9 1.9 %
0.0 %
0.0 %
R11 1.5 %
0.0 %
0.0 %
R12 1.5 %
0.0 %
0.0 %
R13 2.1 %
0.0 %
0.5 %
R14 2.5 %
0.0 %
0.0 %
R15 2.1 %
0.0 %
0.0 %
R16 2.1 %
0.0 %
0.0 %
R18 2.6 %
0.0 %
0.0 %
R19 2.2 %
0.0 %
0.0 %
R20 1.6 %
0.0 %
0.0 %
R21 1.4 %
0.0 %
0.0 %
R22 1.7 %
0.0 %
0.0 %
R23 1.9 %
0.0 %
0.0 %
R24 1.9 %
0.0 %
0.0 %

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 %
G5 0.0 %
0.0 %
G6 0.0 %
0.0 %
G7 0.0 %
0.0 %
G8 0.0 %
0.0 %
G9 0.0 %
0.0 %
G10 0.0 %
0.0 %
G11 0.0 %
0.0 %
G12 0.0 %
0.0 %
G13 0.0 %
0.0 %
G14 0.0 %
0.7 %
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 %
0.8 %
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 %
G30 0.0 %
0.0 %
G31 0.0 %
0.0 %
R1 0.0 %
0.0 %
R2 0.0 %
0.0 %
R3 0.0 %
0.0 %
R4 0.0 %
0.0 %
R5 0.0 %
0.0 %
R6 0.0 %
0.0 %
R7 0.0 %
0.0 %
R8 0.0 %
0.0 %
R9 0.0 %
0.0 %
R11 0.0 %
0.0 %
R12 0.0 %
0.0 %
R13 0.0 %
0.5 %
R14 0.0 %
0.0 %
R15 0.0 %
0.0 %
R16 0.0 %
0.0 %
R18 0.0 %
0.0 %
R19 0.0 %
0.0 %
R20 0.0 %
0.0 %
R21 0.0 %
0.0 %
R22 0.0 %
0.0 %
R23 0.0 %
0.0 %
R24 0.0 %
0.0 %

Tracking by satellite elevation > 15°: 
Elevation Cycle Slips GPS Cycle Slips GLONASS Cycle Slips Galileo Observations
85 - 90 0
0
0
0.4 %
80 - 85 0
0
0
1.3 %
75 - 80 0
0
0
1.8 %
70 - 75 0
0
0
2.6 %
65 - 70 0
1
0
4.0 %
60 - 65 0
0
0
5.4 %
55 - 60 0
0
0
7.4 %
50 - 55 0
0
0
8.2 %
45 - 50 0
0
0
8.6 %
40 - 45 0
0
0
8.6 %
35 - 40 0
0
0
9.7 %
30 - 35 0
1
0
10.1 %
25 - 30 0
0
0
10.1 %
20 - 25 7
1
0
10.1 %
15 - 20 8
7
0
11.7 %
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 8.4
7.4
- - -
G2 8.4
7.2
- - -
G3 8.4
7.4
- - -
G5 8.6
7.7
- - -
G6 8.4
7.7
- - -
G7 8.2
6.9
- - -
G8 8.4
7.3
- - -
G9 8.5
7.6
- - -
G10 8.1
6.8
- - -
G11 8.5
6.8
- - -
G12 8.6
7.5
- - -
G13 8.6
6.4
- - -
G14 8.3
6.7
- - -
G15 8.6
7.5
- - -
G16 8.5
6.9
- - -
G17 8.5
7.4
- - -
G18 7.8
5.3
- - -
G19 8.1
7.1
- - -
G20 8.4
6.9
- - -
G21 8.0
6.4
- - -
G22 8.5
7.1
- - -
G23 8.6
6.9
- - -
G24 8.4
7.5
- - -
G25 8.4
7.2
- - -
G26 8.4
7.3
- - -
G27 8.5
7.5
- - -
G28 7.9
5.7
- - -
G29 8.6
7.6
- - -
G30 8.5
7.3
- - -
G31 8.6
7.6
- - -
R1 7.8
6.0
- - -
R2 7.9
7.4
- - -
R3 7.6
7.5
- - -
R4 7.7
7.3
- - -
R5 6.4
7.2
- - -
R6 8.1
7.2
- - -
R7 7.8
7.6
- - -
R8 7.7
7.6
- - -
R9 6.2
4.1
- - -
R11 7.6
6.0
- - -
R12 6.9
7.1
- - -
R13 6.3
7.6
- - -
R14 6.1
5.9
- - -
R15 7.5
7.7
- - -
R16 7.2
7.1
- - -
R18 8.0
7.7
- - -
R19 7.7
7.5
- - -
R20 6.6
7.7
- - -
R21 7.9
7.7
- - -
R22 7.7
7.2
- - -
R23 7.7
5.5
- - -
R24 6.2
4.5
- - -
Average GPS: 8.4
7.1
- - -
Average GLONASS: 7.3
6.9
- - -
Average Galileo: - - - - -
Average All: 7.9
7.0
- - -

Code multipath by satellite > 15°: 
SV Av Elev MP1 MP2 MP5 MP5b MP5a+b
G1 35.5 ° 0.14 m
0.18 m
- - -
G2 38.6 ° 0.16 m
0.16 m
- - -
G3 46.8 ° 0.14 m
0.20 m
- - -
G5 50.3 ° 0.13 m
0.18 m
- - -
G6 50.2 ° 0.12 m
0.16 m
- - -
G7 35.6 ° 0.15 m
0.20 m
- - -
G8 41.4 ° 0.16 m
0.18 m
- - -
G9 51.9 ° 0.13 m
0.17 m
- - -
G10 29.3 ° 0.21 m
0.22 m
- - -
G11 39.0 ° 0.15 m
0.18 m
- - -
G12 50.2 ° 0.15 m
0.25 m
- - -
G13 35.5 ° 0.16 m
0.21 m
- - -
G14 38.3 ° 0.15 m
0.16 m
- - -
G15 45.5 ° 0.14 m
0.20 m
- - -
G16 46.6 ° 0.13 m
0.16 m
- - -
G17 38.4 ° 0.16 m
0.17 m
- - -
G18 27.4 ° 0.19 m
0.24 m
- - -
G19 37.0 ° 0.17 m
0.19 m
- - -
G20 41.0 ° 0.14 m
0.20 m
- - -
G21 38.5 ° 0.14 m
0.20 m
- - -
G22 39.4 ° 0.14 m
0.16 m
- - -
G23 43.2 ° 0.12 m
0.17 m
- - -
G24 36.3 ° 0.13 m
0.19 m
- - -
G25 40.7 ° 0.14 m
0.21 m
- - -
G26 42.6 ° 0.14 m
0.18 m
- - -
G27 36.0 ° 0.15 m
0.18 m
- - -
G28 26.9 ° 0.18 m
0.28 m
- - -
G29 48.3 ° 0.12 m
0.23 m
- - -
G30 41.8 ° 0.13 m
0.14 m
- - -
G31 50.0 ° 0.16 m
0.20 m
- - -
R1 44.9 ° 0.13 m
0.24 m
- - -
R2 47.8 ° 0.16 m
0.24 m
- - -
R3 35.7 ° 0.18 m
0.23 m
- - -
R4 39.1 ° 0.19 m
0.23 m
- - -
R5 51.1 ° 0.15 m
0.17 m
- - -
R6 41.3 ° 0.13 m
0.17 m
- - -
R7 31.5 ° 0.17 m
0.20 m
- - -
R8 33.9 ° 0.18 m
0.24 m
- - -
R9 27.9 ° 0.21 m
0.24 m
- - -
R11 51.3 ° 0.12 m
0.28 m
- - -
R12 41.6 ° 0.15 m
0.26 m
- - -
R13 30.8 ° 0.19 m
0.28 m
- - -
R14 43.7 ° 0.21 m
0.21 m
- - -
R15 49.4 ° 0.14 m
0.22 m
- - -
R16 35.1 ° 0.15 m
0.22 m
- - -
R18 42.8 ° 0.13 m
0.21 m
- - -
R19 33.0 ° 0.18 m
0.24 m
- - -
R20 44.2 ° 0.14 m
0.19 m
- - -
R21 48.8 ° 0.15 m
0.23 m
- - -
R22 36.7 ° 0.16 m
0.24 m
- - -
R23 27.7 ° 0.19 m
0.31 m
- - -
R24 38.2 ° 0.22 m
0.29 m
- - -
Average GPS: - 0.15 m
0.19 m
- - -
Average GLONASS: - 0.16 m
0.23 m
- - -
Average Galileo: - - - - - -
Average All: - 0.15 m
0.21 m
- - -

Code multipath by satellite elevation > 15°: 
Elevation MP1 MP2 MP5 MP5b MP5a+b
85 - 90 0.11 m
0.16 m
- - -
80 - 85 0.10 m
0.17 m
- - -
75 - 80 0.10 m
0.12 m
- - -
70 - 75 0.09 m
0.14 m
- - -
65 - 70 0.09 m
0.13 m
- - -
60 - 65 0.09 m
0.13 m
- - -
55 - 60 0.11 m
0.14 m
- - -
50 - 55 0.12 m
0.15 m
- - -
45 - 50 0.12 m
0.17 m
- - -
40 - 45 0.13 m
0.18 m
- - -
35 - 40 0.14 m
0.21 m
- - -
30 - 35 0.17 m
0.24 m
- - -
25 - 30 0.20 m
0.27 m
- - -
20 - 25 0.24 m
0.30 m
- - -
15 - 20 0.25 m
0.32 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 4.4.0.1