Leica SpiderQC v7.1 Quality Report


Program Run: 2020/12/10 21:05:29.32

File Details:


Observation File: palc345u.20o
GPS Navigation File: palc345u.20n
GLONASS Navigation File: palc345u.20g
Galileo Navigation File: palc345u.20l
BeiDou Navigation File: palc345u.20f
Quality Testing:  Fail (See below for details) 

Station Details:


Marker Name/Number:  PALC  19349M001   
Observer/Agency:  IECA  Junta de Andalucia   
Receiver #/Type/Vers:  1832766  LEICA GR50  4.31/7.403 
Antenna #/Type:  22078016  LEIAR20 LEIM   
Antenna Offsets (HEN):  0.077  0.000  0.000 
Approx Position (XYZ):  5046810.771  -258521.921  3879916.948 
Approx Position (plh):  37° 42' 8.40670" N  2° 55' 56.64840" W  916.936m 
Diff. Est-Header:  -0.2 m dX  -5.3 m dY  2.6 m dZ 
Diff. Est-Header:  5.9 m (3600 estimates) 

Session Summary:


Time of first obs:  2020/12/10 20:00:00.00 GPS 
Time of last obs:  2020/12/10 20:59:59.00 GPS 
Session length:  59.98 minutes 
GPS week:  2135, day 4 
Observation interval:  1.00 seconds 
UTC leap seconds:  18 seconds 

Num SVs with obs:  33 
Num SVs with nav:  98 
Total GPS orbits:  43 
Total GLONASS orbits:  39 
Total Galileo orbits:  124 
Total BeiDou orbits:  30 
Total QZSS orbits: 
SVs with obs:  G2 G12 G18 G24 G25 G26 G29 G31 G32 R6 R7 R9 R15 R16 R17 R18 R19 E1 E4 E13 E15 E19 E21 E26 E27 C5 C8 C13 C21 C22 C27 C29 C30  
SVs without obs:  G1 G3 G4 G5 G6 G7 G8 G9 G10 G11 G13 G14 G15 G16 G17 G19 G20 G21 G22 G23 G27 G28 G30 R1 R2 R3 R4 R5 R8 R10 R11 R12 R13 R14 R20 R21 R22 R23 R24 E2 E3 E5 E6 E7 E8 E9 E10 E11 E12 E14 E16 E17 E18 E20 E22 E23 E24 E25 E28 E29 E30 E31 E32 E33 E34 E35 E36 C1 C2 C3 C4 C6 C7 C9 C10 C11 C12 C14 C15 C16 C17 C18 C19 C20 C23 C24 C25 C26 C28 C31 C32 C33 C34 C35 C36 C37 J1 J2 J3 J4 J5 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 S21 S22 S23 S24 S25 S26 S27 S28 S29 S30 S31 S32 S33 S34 S35 S36 S37 S38 S39 S40 S41 S42 S43 S44 S45 S46 S47 S48 S49 S50 S51 S52 S53 S54 S55 S56 S57 S58 S59 S60  
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 C6 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 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 1 slips, Threshold 49 slips 
Multipath:  Pass  Value 0.10m MP1 / 0.10m MP2 / 0.22m MP5, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 95.0 % 
Navigation Data:  Pass   
     
GLONASS Specific Tests 
Cycle Slips:  Pass  Value 3 slips, Threshold 122 slips 
Multipath:  Pass  Value 0.09m MP1 / 0.09m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 98.0 %, Threshold 90.0 % 
Navigation Data:  Pass   
     
Galileo Specific Tests 
Cycle Slips:  Pass  Value 5 slips, Threshold 166 slips 
Multipath:  Pass  Value 0.11m MP1 / 0.21m MP5a / 0.20m 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 81 slips 
Multipath:  Pass  Value 0.12m MP1 / 0.14m MP5b, Threshold 0.5 m 
Data Completeness:  Fail  Value 26.5 %, Threshold 90.0 % 
Navigation Data:  Pass   

General Quality Indicators:


Tracking   
Num obs > 0°:  110747 
Num possible obs > 0°:  112052 
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°:  3191  (88.6 %) 
Epochs with full data > 15°:  (0.0 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.0  2.2  2.1 
GDOP  2.4  2.8  2.5 

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 
R19  6.800  1 / 409  21.89° / 25.00°  182.04° / 182.27° 
Total:  6.800 (407 observations) 

Receiver Clock 
Clock Slips > 15°: 
Max RX clock offset:  0.000013 ms (at 2020/12/10 20:44:05.00) 
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 
Tracking information over 0° 
Num obs > 0°:  110747  30447  27466  28800  24034 
Num possible obs > 0°:  112052  30845  27962  28800  24445 
Num obs with invalid nav: 
Num obs without nav: 
Num obs to unhealthy SV: 
             
Tracking over Elevation Mask (15°) 
Num obs > 15°:  86076  24476  20302  27718  13580 
% obs > 15°:   99.5 %  100.0 %  98.0 %  100.0 %  100.0 % 
Num possible obs > 15°:  86485  24476  20711  27718  13580 
Num complete obs > 15°:  76095  24476  20302  27717  3600 
% complete obs > 15°:   88.0 %  100.0 %  98.0 %  100.0 %  26.5 % 
Num obs with WLF change:  
Average # SV per Epoch:  23.9   6.8   5.6   7.7   3.8  
             
Obs L2 : Obs L1  1.949   1.908   2.000  
Obs B2/E5b : Obs B1/E1  0.758   1.000   0.265  
Obs L5/E5a : Obs L1/E1  0.762   0.492   1.000  

Cycle Slips             
Num cycle slips > 15°: 
% slips per complete obs:  0.012 %  0.004 %  0.015 %  0.018 % 
Num complete obs per slip:  8455   24476   6767   5543  
IOD Slips > 15°:  9980  9976 
Outliers > 15°: 
LLI L1/B1/E1 : Obs L1/B1/E1:  0.0000   0.0000   0.0001  
LLI L2 : Obs L2:  0.0000   0.0000  
LLI B2/E5b : Obs B2/E5b: 
LLI L5 : Obs L5: 

Multipath             
MP (L1/E1/B1) RMS:  0.105 m  0.102 m  0.093 m  0.114 m  0.122 m 
MP (L2) RMS:  0.096 m  0.099 m  0.091 m 
MP (L5/E5a) RMS:  0.213 m  0.221 m  0.209 m 
MP (E5b/B2) RMS:  0.194 m  0.200 m  0.142 m 
MP (E5a+b) RMS:  0.102 m  0.102 m 

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 90.8 %
90.8 %
90.8 %
90.8 %
L2W 100.0 %
100.0 %
100.0 %
100.0 %
L5Q 76.2 %
76.2 %
76.2 %
76.2 %
L7I 26.5 %
26.5 %
26.5 %
26.5 %
L7Q 100.0 %
100.0 %
100.0 %
100.0 %
L8Q 100.0 %
100.0 %
100.0 %
100.0 %

Tracking by satellite > 15°: 
SV Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
G2 15.00° 22.48° 2262 2262 (100.0 %)
0 (0.0 %) 0
G12 15.00° 29.95° 2984 2984 (100.0 %)
0 (0.0 %) 0
G18 15.00° 30.37° 2182 2182 (100.0 %)
0 (0.0 %) 0
G25 48.15° 63.49° 3600 3600 (100.0 %)
0 (0.0 %) 0
G26 15.00° 29.10° 2648 2648 (100.0 %)
0 (0.0 %) 1
G29 73.16° 89.11° 3600 3600 (100.0 %)
0 (0.0 %) 0
G31 38.89° 63.96° 3600 3600 (100.0 %)
0 (0.0 %) 0
G32 17.83° 37.99° 3600 3600 (100.0 %)
0 (0.0 %) 0
R9 15.00° 32.97° 2711 2711 (100.0 %)
0 (0.0 %) 0
R15 27.26° 45.68° 3600 3600 (100.0 %)
0 (0.0 %) 0
R16 51.24° 70.03° 3600 3600 (100.0 %)
0 (0.0 %) 0
R17 17.20° 44.01° 3600 3600 (100.0 %)
0 (0.0 %) 1
R18 62.05° 73.43° 3600 3600 (100.0 %)
0 (0.0 %) 0
R19 25.56° 56.30° 3600 3191 (88.6 %)
0 (0.0 %) 2
E1 24.01° 39.12° 3600 3600 (100.0 %)
0 (0.0 %) 0
E4 15.00° 17.34° 3273 3273 (100.0 %)
0 (0.0 %) 0
E13 46.78° 58.78° 3600 3600 (100.0 %)
0 (0.0 %) 0
E15 19.50° 32.36° 3600 3600 (100.0 %)
0 (0.0 %) 0
E19 15.00° 28.29° 2845 2845 (100.0 %)
0 (0.0 %) 2
E21 64.83° 70.37° 3600 3600 (100.0 %)
0 (0.0 %) 0
E26 15.71° 38.99° 3600 3600 (100.0 %)
0 (0.0 %) 0
E27 27.45° 40.62° 3600 3600 (100.0 %)
0 (0.0 %) 3
C13 23.77° 25.17° 3600 3600 (100.0 %)
0 (0.0 %) 0
C27 15.00° 30.79° 2780 2780 (100.0 %)
0 (0.0 %) 0
C29 31.57° 57.97° 3600 3600 (100.0 %)
0 (0.0 %) 0
C30 61.45° 71.85° 3600 3600 (100.0 %)
0 (0.0 %) 0

Missing phase observations by satellite > 15°: 
SV Observations Missing L1C Missing L1I Missing L2C Missing L2P Missing L2S Missing L2W Missing L5Q Missing L7I Missing L7Q Missing L8Q
G2 2.6 %
0.0 %
- - - 100.0 %
0.0 %
100.0 %
- - -
G12 3.5 %
0.0 %
- - - 0.0 %
0.0 %
100.0 %
- - -
G18 2.5 %
0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G25 4.2 %
0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G26 3.1 %
0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G29 4.2 %
0.0 %
- - - 0.0 %
0.0 %
100.0 %
- - -
G31 4.2 %
0.0 %
- - - 0.0 %
0.0 %
100.0 %
- - -
G32 4.2 %
0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
R9 3.1 %
0.0 %
- 0.0 %
0.0 %
- - - - - -
R15 4.2 %
0.0 %
- 0.0 %
0.0 %
- - - - - -
R16 4.2 %
0.0 %
- 0.0 %
0.0 %
- - - - - -
R17 4.2 %
0.0 %
- 0.0 %
0.0 %
- - - - - -
R18 4.2 %
0.0 %
- 0.0 %
0.0 %
- - - - - -
R19 3.7 %
0.0 %
- 0.1 %
0.1 %
- - - - - -
E1 4.2 %
0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E4 3.8 %
0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E13 4.2 %
0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E15 4.2 %
0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E19 3.3 %
0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E21 4.2 %
0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E26 4.2 %
0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E27 4.2 %
0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
C13 4.2 %
- 0.0 %
- - - - - 0.0 %
- -
C27 3.2 %
- 0.0 %
- - - - - 100.0 %
- -
C29 4.2 %
- 0.0 %
- - - - - 100.0 %
- -
C30 4.2 %
- 0.0 %
- - - - - 100.0 %
- -

Missing code observations by satellite > 15°: 
SV Missing C1C Missing C1I Missing C2C Missing C2P Missing C2S Missing C2W Missing C5Q Missing C7I Missing C7Q Missing C8Q
G2 0.0 %
- - - 100.0 %
0.0 %
100.0 %
- - -
G12 0.0 %
- - - 0.0 %
0.0 %
100.0 %
- - -
G18 0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G25 0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G26 0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G29 0.0 %
- - - 0.0 %
0.0 %
100.0 %
- - -
G31 0.0 %
- - - 0.0 %
0.0 %
100.0 %
- - -
G32 0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
R9 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 %
- - - - - -
R19 0.0 %
- 0.0 %
0.0 %
- - - - - -
E1 0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E4 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 %
E19 0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E21 0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E26 0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E27 0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
C13 - 0.0 %
- - - - - 0.0 %
- -
C27 - 0.0 %
- - - - - 100.0 %
- -
C29 - 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 Observations
85 - 90 0
0
0
0
0
1.3 %
80 - 85 0
0
0
0
0
1.4 %
75 - 80 0
0
0
0
0
1.2 %
70 - 75 0
0
0
0
0
5.8 %
65 - 70 0
0
0
0
0
7.2 %
60 - 65 0
0
0
0
0
4.1 %
55 - 60 0
0
0
0
0
5.9 %
50 - 55 0
0
0
0
0
5.5 %
45 - 50 0
0
0
0
0
3.6 %
40 - 45 0
0
0
0
0
4.4 %
35 - 40 0
0
0
0
0
7.6 %
30 - 35 0
0
3
0
0
9.6 %
25 - 30 0
3
0
0
0
15.3 %
20 - 25 1
0
0
0
0
13.7 %
15 - 20 0
0
2
0
0
13.5 %
10 - 15 0
0
0
0
0
0.0 %
5 - 10 0
0
0
0
0
0.0 %
0 - 5 0
0
0
0
0
0.0 %

Signal to Noise Ratio by satellite > 15°: 
SV L1/E1/B1 L2 L5/E5a E5b/B2 E5a+b
G2 43.4
40.6
- - -
G12 44.6
44.4
- - -
G18 43.7
47.2
50.6
- -
G25 52.9
53.7
57.7
- -
G26 43.4
46.0
49.9
- -
G29 55.7
56.7
- - -
G31 52.6
51.7
- - -
G32 47.8
48.4
51.5
- -
R9 46.2
47.8
- - -
R15 51.5
49.2
- - -
R16 50.4
49.7
- - -
R17 49.0
48.0
- - -
R18 55.2
54.8
- - -
R19 38.9
47.6
- - -
E1 48.8
- 51.4
51.8
54.8
E4 43.3
- 46.6
47.1
50.1
E13 54.1
- 55.9
56.5
59.4
E15 46.4
- 49.6
50.1
53.1
E19 41.2
- 43.9
43.6
47.0
E21 56.0
- 57.7
58.7
61.3
E26 46.7
- 49.3
49.9
52.8
E27 49.0
- 51.7
52.0
55.0
C13 42.0
- - 45.0
-
C27 45.1
- - - -
C29 51.5
- - - -
C30 55.0
- - - -
Average GPS: 48.0
48.6
52.4
- -
Average GLONASS: 48.5
49.5
- - -
Average Galileo: 48.2
- 50.8
51.2
54.2
Average BeiDou: 48.4
- - 45.0
-
Average QZSS: - - - - -
Average All: 48.2
49.0
51.3
50.5
54.2

Code multipath by satellite > 15°: 
SV Av Elev MP (L1/E1/B1) MP (L2) MP (L5/E5a) MP (E5b/B2) MP (E5a+b)
G2 18.7 ° 0.12 m
0.12 m
- - -
G12 22.5 ° 0.12 m
0.10 m
- - -
G18 22.7 ° 0.14 m
0.11 m
0.31 m
- -
G25 55.8 ° 0.04 m
0.06 m
0.10 m
- -
G26 22.1 ° 0.14 m
0.19 m
0.25 m
- -
G29 81.1 ° 0.08 m
0.06 m
- - -
G31 51.4 ° 0.04 m
0.06 m
- - -
G32 27.9 ° 0.14 m
0.09 m
0.23 m
- -
R9 24.0 ° 0.10 m
0.12 m
- - -
R15 36.5 ° 0.08 m
0.10 m
- - -
R16 60.6 ° 0.06 m
0.07 m
- - -
R17 30.6 ° 0.08 m
0.09 m
- - -
R18 67.7 ° 0.06 m
0.05 m
- - -
R19 40.9 ° 0.16 m
0.11 m
- - -
E1 31.6 ° 0.10 m
- 0.19 m
0.20 m
0.09 m
E4 16.2 ° 0.19 m
- 0.47 m
0.37 m
0.20 m
E13 52.8 ° 0.06 m
- 0.10 m
0.10 m
0.05 m
E15 25.9 ° 0.12 m
- 0.19 m
0.20 m
0.15 m
E19 21.6 ° 0.17 m
- 0.21 m
0.24 m
0.12 m
E21 67.6 ° 0.04 m
- 0.06 m
0.06 m
0.05 m
E26 27.4 ° 0.11 m
- 0.28 m
0.26 m
0.11 m
E27 34.0 ° 0.12 m
- 0.16 m
0.17 m
0.05 m
C13 24.5 ° 0.12 m
- - 0.14 m
-
C27 - - - - - -
C29 - - - - - -
C30 - - - - - -
Average GPS: - 0.10 m
0.10 m
0.22 m
- -
Average GLONASS: - 0.09 m
0.09 m
- - -
Average Galileo: - 0.11 m
- 0.21 m
0.20 m
0.10 m
Average BeiDou: - 0.12 m
- - 0.14 m
-
Average QZSS: - - - - - -
Average All: - 0.10 m
0.10 m
0.21 m
0.19 m
0.10 m

Code multipath by satellite elevation > 15°: 
Elevation MP (L1/E1/B1) MP (L2) MP (L5/E5a) MP (E5b/B2) MP (E5a+b)
85 - 90 0.07 m
0.04 m
- - -
80 - 85 0.08 m
0.06 m
- - -
75 - 80 0.08 m
0.08 m
- - -
70 - 75 0.06 m
0.04 m
0.09 m
0.09 m
0.07 m
65 - 70 0.05 m
0.07 m
0.06 m
0.05 m
0.04 m
60 - 65 0.05 m
0.08 m
0.14 m
0.04 m
0.04 m
55 - 60 0.05 m
0.05 m
0.07 m
0.06 m
0.04 m
50 - 55 0.05 m
0.07 m
0.12 m
0.14 m
0.07 m
45 - 50 0.09 m
0.06 m
0.10 m
0.11 m
0.05 m
40 - 45 0.07 m
0.08 m
0.10 m
0.07 m
0.02 m
35 - 40 0.09 m
0.10 m
0.15 m
0.15 m
0.05 m
30 - 35 0.12 m
0.08 m
0.18 m
0.23 m
0.09 m
25 - 30 0.11 m
0.10 m
0.22 m
0.19 m
0.11 m
20 - 25 0.13 m
0.14 m
0.26 m
0.20 m
0.11 m
15 - 20 0.16 m
0.14 m
0.38 m
0.34 m
0.20 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 2020/12/10 20:59:59.00

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 L1 code and phase measurements with a SNR of at least 0 
(#)  A complete Galileo observation contains non-zero E1, E5a, E5b, E5a+b code and phase measurements with a SNR of at least 0 
(#)  A complete BeiDou observation contains non-zero B1, B2 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 
(-)  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 7.1.0.7438