Leica SpiderQC v7.1 Quality Report


Program Run: 2021/01/19 13:01:51.97

File Details:


Observation File: motr019m.21o
GPS Navigation File: motr019m.21n
GLONASS Navigation File: motr019m.21g
Galileo Navigation File: motr019m.21l
BeiDou Navigation File: motr019m.21f
Quality Testing:  Fail (See below for details) 

Station Details:


Marker Name/Number:  MOTR  13478M001   
Observer/Agency:  IECA  Junta de Andalucia   
Receiver #/Type/Vers:  1832496  LEICA GR50  4.20/7.300 
Antenna #/Type:  21102003  LEIAR20 LEIM   
Antenna Offsets (HEN):  0.000  0.000  0.000 
Approx Position (XYZ):  5106803.433  -314181.572  3795722.987 
Approx Position (plh):  36° 45' 17.14633" N  3° 31' 13.88217" W  166.943m 
Diff. Est-Header:  0.7 m dX  -4.4 m dY  1.2 m dZ 
Diff. Est-Header:  4.6 m (3600 estimates) 

Session Summary:


Time of first obs:  2021/01/19 12:00:00.00 GPS 
Time of last obs:  2021/01/19 12:59:59.00 GPS 
Session length:  59.98 minutes 
GPS week:  2141, day 2 
Observation interval:  1.00 seconds 
UTC leap seconds:  18 seconds 

Num SVs with obs:  35 
Num SVs with nav:  101 
Total GPS orbits:  46 
Total GLONASS orbits:  38 
Total Galileo orbits:  66 
Total BeiDou orbits:  31 
Total QZSS orbits: 
SVs with obs:  G5 G10 G12 G13 G14 G15 G17 G18 G19 G20 G23 G24 G28 G30 R2 R3 R4 R5 R12 R13 R14 R15 E2 E7 E8 E27 E30 C5 C10 C19 C21 C22 C26 C29 C30  
SVs without obs:  G1 G2 G3 G4 G6 G7 G8 G9 G11 G16 G21 G22 G25 G26 G27 G29 G31 G32 R1 R6 R7 R8 R9 R10 R11 R16 R17 R18 R19 R20 R21 R22 R23 R24 E1 E3 E4 E5 E6 E9 E10 E11 E12 E13 E14 E15 E16 E17 E18 E19 E20 E21 E22 E23 E24 E25 E26 E28 E29 E31 E32 E33 E34 E35 E36 C1 C2 C3 C4 C6 C7 C8 C9 C11 C12 C13 C14 C15 C16 C17 C18 C20 C23 C24 C25 C27 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 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 E14 E15 E19 E21 E24 E25 E26 E27 E30 E31 E33 C5 C6 C8 C9 C10 C11 C12 C13 C14 C16 C18 C19 C20 C21 C22 C23 C24 C25 C26 C27 C28 C29 C30  
SVs without nav:  E6 E10 E16 E17 E18 E20 E22 E23 E28 E29 E32 E34 E35 E36 C1 C2 C3 C4 C7 C15 C17 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 0 slips, Threshold 71 slips 
Multipath:  Pass  Value 0.18m MP1 / 0.16m MP2 / 0.27m 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 110 slips 
Multipath:  Pass  Value 0.13m MP1 / 0.16m 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 103 slips 
Multipath:  Pass  Value 0.08m MP1 / 0.19m MP5a / 0.16m MP5b / 0.05m 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 61 slips 
Multipath:  Pass  Value 0.00m MP1, Threshold 0.5 m 
Data Completeness:  Fail  Value 0.0 %, Threshold 90.0 % 
Navigation Data:  Pass   

General Quality Indicators:


Tracking   
Num obs > 0°:  106048 
Num possible obs > 0°:  113753 
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°:  3600  (100.0 %) 
Epochs with full data > 15°:  (0.0 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.0  2.4  2.1 
GDOP  2.3  2.9  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 
None   

Receiver Clock 
Clock Slips > 15°: 
Max RX clock offset:  0.000010 ms (at 2021/01/19 12:25:27.00) 
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°:  106048  42961  23158  18000  21929 
Num possible obs > 0°:  113753  45943  24314  18000  25496 
Num obs with invalid nav: 
Num obs without nav: 
Num obs to unhealthy SV: 
             
Tracking over Elevation Mask (15°) 
Num obs > 15°:  81223  35425  18382  17231  10185 
% obs > 15°:   100.0 %  100.0 %  100.0 %  100.0 %  100.0 % 
Num possible obs > 15°:  81223  35425  18382  17231  10185 
Num complete obs > 15°:  71038  35425  18382  17231 
% complete obs > 15°:   87.5 %  100.0 %  100.0 %  100.0 % 
Num obs with WLF change:  
Average # SV per Epoch:  22.6   9.8   5.1   4.8   2.8  
             
Obs L2 : Obs L1  1.757   1.631   2.000  
Obs B2/E5b : Obs B1/E1  0.629   1.000  
Obs L5/E5a : Obs L1/E1  0.514   0.278   1.000  

Cycle Slips             
Num cycle slips > 15°: 
% slips per complete obs:  0.001 %  0.005 % 
Num complete obs per slip:  71038   18382  
IOD Slips > 15°:  10182  10182 
Outliers > 15°: 
LLI L1/B1/E1 : Obs L1/B1/E1: 
LLI L2 : Obs L2: 
LLI B2/E5b : Obs B2/E5b: 
LLI L5 : Obs L5: 

Multipath             
MP (L1/E1/B1) RMS:  0.144 m  0.180 m  0.132 m  0.080 m 
MP (L2) RMS:  0.160 m  0.163 m  0.155 m 
MP (L5/E5a) RMS:  0.222 m  0.273 m  0.191 m 
MP (E5b/B2) RMS:  0.159 m  0.159 m 
MP (E5a+b) RMS:  0.048 m  0.048 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 63.1 %
63.1 %
63.1 %
63.1 %
L2W 100.0 %
100.0 %
100.0 %
100.0 %
L5Q 51.4 %
51.4 %
51.4 %
51.4 %
L7I 0.0 %
0.0 %
0.0 %
0.0 %
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
G5 15.01° 31.39° 2262 2262 (100.0 %)
0 (0.0 %) 0
G10 15.00° 15.15° 36 36 (100.0 %)
0 (0.0 %) 0
G12 15.00° 39.67° 3276 3276 (100.0 %)
0 (0.0 %) 0
G13 47.39° 65.66° 3600 3600 (100.0 %)
0 (0.0 %) 0
G14 15.00° 31.28° 2605 2605 (100.0 %)
0 (0.0 %) 0
G15 62.53° 88.65° 3600 3600 (100.0 %)
0 (0.0 %) 0
G17 15.00° 24.04° 3368 3368 (100.0 %)
0 (0.0 %) 0
G19 15.00° 24.97° 2278 2278 (100.0 %)
0 (0.0 %) 0
G20 21.71° 30.30° 3600 3600 (100.0 %)
0 (0.0 %) 0
G23 21.89° 34.31° 3600 3600 (100.0 %)
0 (0.0 %) 0
G24 42.37° 59.78° 3600 3600 (100.0 %)
0 (0.0 %) 0
G28 16.98° 38.33° 3600 3600 (100.0 %)
0 (0.0 %) 0
R2 15.01° 36.91° 2706 2706 (100.0 %)
0 (0.0 %) 1
R3 58.51° 88.64° 3600 3600 (100.0 %)
0 (0.0 %) 0
R4 30.56° 60.52° 3600 3600 (100.0 %)
0 (0.0 %) 0
R12 15.00° 20.18° 719 719 (100.0 %)
0 (0.0 %) 0
R13 41.34° 70.27° 3600 3600 (100.0 %)
0 (0.0 %) 0
R14 43.71° 62.14° 3600 3600 (100.0 %)
0 (0.0 %) 0
R15 15.00° 18.23° 557 557 (100.0 %)
0 (0.0 %) 0
E2 15.00° 29.75° 2831 2831 (100.0 %)
0 (0.0 %) 0
E7 77.86° 89.54° 3600 3600 (100.0 %)
0 (0.0 %) 0
E8 25.69° 44.78° 3600 3600 (100.0 %)
0 (0.0 %) 0
E27 38.17° 59.32° 3600 3600 (100.0 %)
0 (0.0 %) 0
E30 61.37° 79.41° 3600 3600 (100.0 %)
0 (0.0 %) 0
C19 15.00° 35.35° 2985 2985 (100.0 %)
0 (0.0 %) 0
C21 30.68° 48.54° 3600 3600 (100.0 %)
0 (0.0 %) 0
C22 54.38° 75.84° 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
G5 2.8 %
0.0 %
- - - 0.0 %
0.0 %
100.0 %
- - -
G10 0.0 %
0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G12 4.0 %
0.0 %
- - - 0.0 %
0.0 %
100.0 %
- - -
G13 4.4 %
0.0 %
- - - 100.0 %
0.0 %
100.0 %
- - -
G14 3.2 %
0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G15 4.4 %
0.0 %
- - - 0.0 %
0.0 %
100.0 %
- - -
G17 4.1 %
0.0 %
- - - 0.0 %
0.0 %
100.0 %
- - -
G19 2.8 %
0.0 %
- - - 100.0 %
0.0 %
100.0 %
- - -
G20 4.4 %
0.0 %
- - - 100.0 %
0.0 %
100.0 %
- - -
G23 4.4 %
0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G24 4.4 %
0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G28 4.4 %
0.0 %
- - - 100.0 %
0.0 %
100.0 %
- - -
R2 3.3 %
0.0 %
- 0.0 %
0.0 %
- - - - - -
R3 4.4 %
0.0 %
- 0.0 %
0.0 %
- - - - - -
R4 4.4 %
0.0 %
- 0.0 %
0.0 %
- - - - - -
R12 0.9 %
0.0 %
- 0.0 %
0.0 %
- - - - - -
R13 4.4 %
0.0 %
- 0.0 %
0.0 %
- - - - - -
R14 4.4 %
0.0 %
- 0.0 %
0.0 %
- - - - - -
R15 0.7 %
0.0 %
- 0.0 %
0.0 %
- - - - - -
E2 3.5 %
0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E7 4.4 %
0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E8 4.4 %
0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E27 4.4 %
0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E30 4.4 %
0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
C19 3.7 %
- 0.0 %
- - - - - 100.0 %
- -
C21 4.4 %
- 0.0 %
- - - - - 100.0 %
- -
C22 4.4 %
- 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
G5 0.0 %
- - - 0.0 %
0.0 %
100.0 %
- - -
G10 0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G12 0.0 %
- - - 0.0 %
0.0 %
100.0 %
- - -
G13 0.0 %
- - - 100.0 %
0.0 %
100.0 %
- - -
G14 0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G15 0.0 %
- - - 0.0 %
0.0 %
100.0 %
- - -
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 %
- - -
G23 0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G24 0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G28 0.0 %
- - - 100.0 %
0.0 %
100.0 %
- - -
R2 0.0 %
- 0.0 %
0.0 %
- - - - - -
R3 0.0 %
- 0.0 %
0.0 %
- - - - - -
R4 0.0 %
- 0.0 %
0.0 %
- - - - - -
R12 0.0 %
- 0.0 %
0.0 %
- - - - - -
R13 0.0 %
- 0.0 %
0.0 %
- - - - - -
R14 0.0 %
- 0.0 %
0.0 %
- - - - - -
R15 0.0 %
- 0.0 %
0.0 %
- - - - - -
E2 0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E7 0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E8 0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E27 0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E30 0.0 %
- - - - - 0.0 %
- 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 Observations
85 - 90 0
0
0
0
0
4.0 %
80 - 85 0
0
0
0
0
3.3 %
75 - 80 0
0
0
0
0
4.0 %
70 - 75 0
0
0
0
0
3.8 %
65 - 70 0
0
0
0
0
4.3 %
60 - 65 0
0
0
0
0
5.8 %
55 - 60 0
0
0
0
0
7.3 %
50 - 55 0
0
0
0
0
6.1 %
45 - 50 0
0
0
0
0
6.3 %
40 - 45 0
0
0
0
0
5.6 %
35 - 40 0
0
0
0
0
5.2 %
30 - 35 0
0
0
0
0
9.7 %
25 - 30 0
0
0
0
0
11.5 %
20 - 25 0
1
0
0
0
12.2 %
15 - 20 0
0
0
0
0
10.9 %
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
G5 42.5
42.9
- - -
G10 42.1
43.7
47.9
- -
G12 44.4
44.1
- - -
G13 51.9
48.3
- - -
G14 42.7
45.8
49.4
- -
G15 54.2
54.1
- - -
G17 41.6
41.6
- - -
G19 40.9
40.2
- - -
G20 44.0
42.1
- - -
G23 45.5
47.8
51.6
- -
G24 50.9
52.7
56.8
- -
G28 43.8
41.0
- - -
R2 45.6
42.7
- - -
R3 53.6
50.8
- - -
R4 50.8
48.3
- - -
R12 43.7
41.2
- - -
R13 42.0
42.0
- - -
R14 53.5
49.3
- - -
R15 42.2
40.8
- - -
E2 43.7
- 46.9
47.1
50.2
E7 54.8
- 56.8
57.5
60.3
E8 47.5
- 49.9
50.2
53.2
E27 51.6
- 53.5
54.0
56.9
E30 55.0
- 56.3
56.9
59.7
C19 43.3
- - - -
C21 50.2
- - - -
C22 54.3
- - - -
Average GPS: 45.4
45.4
51.4
- -
Average GLONASS: 47.3
45.0
- - -
Average Galileo: 50.5
- 52.7
53.2
56.1
Average BeiDou: 49.3
- - - -
Average QZSS: - - - - -
Average All: 47.3
45.2
52.1
53.2
56.1

Code multipath by satellite > 15°: 
SV Av Elev MP (L1/E1/B1) MP (L2) MP (L5/E5a) MP (E5b/B2) MP (E5a+b)
G5 23.2 ° 0.22 m
0.15 m
- - -
G10 - - - - - -
G12 27.3 ° 0.18 m
0.13 m
- - -
G13 56.5 ° 0.10 m
0.15 m
- - -
G14 23.1 ° 0.20 m
0.13 m
0.39 m
- -
G15 75.6 ° 0.09 m
0.04 m
- - -
G17 19.5 ° 0.24 m
0.24 m
- - -
G19 20.0 ° 0.19 m
0.25 m
- - -
G20 26.0 ° 0.29 m
0.23 m
- - -
G23 28.1 ° 0.18 m
0.16 m
0.24 m
- -
G24 51.1 ° 0.08 m
0.09 m
0.20 m
- -
G28 27.7 ° 0.20 m
0.22 m
- - -
R2 26.0 ° 0.21 m
0.26 m
- - -
R3 73.6 ° 0.07 m
0.06 m
- - -
R4 45.5 ° 0.09 m
0.12 m
- - -
R12 17.6 ° 0.21 m
0.15 m
- - -
R13 55.8 ° 0.12 m
0.10 m
- - -
R14 52.9 ° 0.07 m
0.09 m
- - -
R15 16.6 ° 0.15 m
0.32 m
- - -
E2 22.4 ° 0.15 m
- 0.31 m
0.22 m
0.13 m
E7 83.7 ° 0.04 m
- 0.11 m
0.10 m
0.02 m
E8 35.2 ° 0.11 m
- 0.26 m
0.20 m
0.05 m
E27 48.7 ° 0.05 m
- 0.15 m
0.14 m
0.03 m
E30 70.4 ° 0.05 m
- 0.12 m
0.13 m
0.02 m
C19 - - - - - -
C21 - - - - - -
C22 - - - - - -
Average GPS: - 0.18 m
0.16 m
0.27 m
- -
Average GLONASS: - 0.13 m
0.16 m
- - -
Average Galileo: - 0.08 m
- 0.19 m
0.16 m
0.05 m
Average BeiDou: - - - - - -
Average QZSS: - - - - - -
Average All: - 0.14 m
0.16 m
0.22 m
0.16 m
0.05 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 0.06 m
0.05 m
0.13 m
0.09 m
0.02 m
80 - 85 0.05 m
0.05 m
0.10 m
0.12 m
0.01 m
75 - 80 0.05 m
0.05 m
0.10 m
0.10 m
0.02 m
70 - 75 0.07 m
0.03 m
0.09 m
0.16 m
0.02 m
65 - 70 0.07 m
0.09 m
0.18 m
0.16 m
0.02 m
60 - 65 0.09 m
0.11 m
0.16 m
0.12 m
0.02 m
55 - 60 0.09 m
0.11 m
0.18 m
0.11 m
0.03 m
50 - 55 0.07 m
0.09 m
0.15 m
0.09 m
0.03 m
45 - 50 0.10 m
0.10 m
0.15 m
0.08 m
0.02 m
40 - 45 0.07 m
0.08 m
0.25 m
0.24 m
0.03 m
35 - 40 0.13 m
0.14 m
0.15 m
0.16 m
0.04 m
30 - 35 0.16 m
0.16 m
0.29 m
0.25 m
0.06 m
25 - 30 0.21 m
0.18 m
0.26 m
0.22 m
0.08 m
20 - 25 0.20 m
0.21 m
0.39 m
0.23 m
0.14 m
15 - 20 0.23 m
0.24 m
0.31 m
0.19 m
0.14 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 2021/01/19 12:59:59.00

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