Leica SpiderQC v7.7 Quality Report


Program Run: 2022/02/21 19:01:18.36

File Details:


Observation File: mlga052s.22o
GPS Navigation File: mlga052s.22n
GLONASS Navigation File: mlga052s.22g
Galileo Navigation File: mlga052s.22l
BeiDou Navigation File: mlga052s.22f
Quality Testing:  Fail (See below for details) 

Station Details:


Marker Name/Number:  MLGA  13460M001   
Observer/Agency:  IECA  Junta de Andalucia   
Receiver #/Type/Vers:  1834192  LEICA GR50  4.31/7.403 
Antenna #/Type:  23035023  LEIAR20 LEIM   
Antenna Offsets (HEN):  0.077  0.000  0.000 
Approx Position (XYZ):  5103686.778  -395880.368  3792209.003 
Approx Position (plh):  36° 42' 56.14758" N  4° 26' 7.47844" W  115.740m 
Diff. Est-Header:  3.9 m dX  -3.6 m dY  6.7 m dZ 
Diff. Est-Header:  8.5 m (3600 estimates) 

Session Summary:


Time of first obs:  2022/02/21 18:00:00.00 GPS 
Time of last obs:  2022/02/21 18:59:59.00 GPS 
Session length:  59.98 minutes 
GPS week:  2198, day 1 
Observation interval:  1.00 seconds 
UTC leap seconds:  18 seconds 

Num SVs with obs:  36 
Num SVs with nav:  100 
Total GPS orbits:  44 
Total GLONASS orbits:  41 
Total Galileo orbits:  112 
Total BeiDou orbits:  31 
Total QZSS orbits: 
Total NavIC orbits: 
SVs with obs:  G7 G8 G10 G16 G18 G21 G23 G26 G27 G29 G31 R2 R3 R4 R9 R10 R15 R18 R19 R20 E2 E11 E12 E24 E25 E31 E36 C11 C12 C13 C21 C22 C23 C24 C25 C26  
SVs without obs:  G1 G2 G3 G4 G5 G6 G9 G11 G12 G13 G14 G15 G17 G19 G20 G22 G24 G25 G28 G30 G32 R1 R5 R6 R7 R8 R11 R12 R13 R14 R16 R17 R21 R22 R23 R24 E1 E3 E4 E5 E6 E7 E8 E9 E10 E13 E14 E15 E16 E17 E18 E19 E20 E21 E22 E23 E26 E27 E28 E29 E30 E32 E33 E34 E35 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C14 C15 C16 C17 C18 C19 C20 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 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 E15 E19 E21 E24 E25 E26 E27 E30 E31 E33 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C16 C19 C20 C21 C22 C23 C24 C25 C26 C27 C28 C29 C30  
SVs without nav:  E6 E10 E14 E16 E17 E18 E20 E22 E23 E28 E29 E32 E34 E35 E36 C1 C2 C3 C4 C15 C17 C18 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:  Pass   
     
GPS Specific Tests 
Cycle Slips:  Pass  Value 0 slips, Threshold 54 slips 
Multipath:  Pass  Value 0.16m MP1 / 0.14m 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 0 slips, Threshold 111 slips 
Multipath:  Pass  Value 0.16m MP1 / 0.25m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 90.0 % 
Navigation Data:  Pass   
     
Galileo Specific Tests 
Cycle Slips:  Pass  Value 2 slips, Threshold 100 slips 
Multipath:  Pass  Value 0.08m MP1 / 0.22m MP5a / 0.17m 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 133 slips 
Multipath:  Fail  Value 0.54m MP1 / 0.15m MP2b, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 90.0 % 
Navigation Data:  Pass   

General Quality Indicators:


Tracking   
Num obs > 0°:  113922 
Num possible obs > 0°:  113189 
Num obs with invalid nav: 
Num obs without nav:  3600 
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°:  3600  (100.0 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.1  2.6  2.3 
GDOP  2.5  3.3  2.8 

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:  0.000042 ms (at 2022/02/21 18:47:19.00) 
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°:  113922  33612  26903  24323  29084 
Num possible obs > 0°:  113189  34932  28157  20830  29270 
Num obs with invalid nav: 
Num obs without nav:  3600  3600 
Num obs to unhealthy SV: 
               
Tracking over Elevation Mask (15°) 
Num obs > 15°:  83994  26788  18442  16611  22153 
% obs > 15°:   100.0 %  100.0 %  100.0 %  100.0 %  100.0 % 
Num possible obs > 15°:  83994  26788  18442  16611  22153 
Num complete obs > 15°:  83994  26788  18442  16611  22153 
% complete obs > 15°:   100.0 %  100.0 %  100.0 %  100.0 %  100.0 % 
Num obs with WLF change:  
Average # SV per Epoch:  23.3   7.4   5.1   4.6   6.2  
               
Observation ratio w.r.t. L1/E1/B1I: 
Obs L2/B1C:  1.738   1.819   1.621  
Obs E5b/B2I:  0.614   1.000   0.325  
Obs L5/E5a/B2a:  0.879   0.804   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:  0.002 %  0.012 % 
Num complete obs per slip:  41997   8305  
IOD Slips > 15°: 
Outliers > 15°: 
LLI : Obs L1/E1/B1I: 
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:  0.247 m  0.163 m  0.156 m  0.081 m  0.538 m 
MP (L2/B1C) RMS:  0.177 m  0.135 m  0.253 m 
MP (L5/E5a/B2a) RMS:  0.247 m  0.271 m  0.219 m 
MP (E5b/B2I) RMS:  0.166 m  0.173 m  0.149 m 
MP (E5a+b/B2a+b) RMS:  0.047 m  0.047 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 81.0 %
81.0 %
81.0 %
81.0 %
L2P 81.0 %
81.0 %
81.0 %
81.0 %
L2S 81.9 %
81.9 %
81.9 %
81.9 %
L2W 100.0 %
100.0 %
100.0 %
100.0 %
L5Q 87.9 %
87.9 %
87.9 %
87.9 %
L7I 32.5 %
32.5 %
32.5 %
32.5 %
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
G8 15.00° 33.01° 3529 3529 (100.0 %)
0 (0.0 %) 0
G10 24.93° 45.83° 3600 3600 (100.0 %)
0 (0.0 %) 0
G16 66.58° 88.44° 3600 3600 (100.0 %)
0 (0.0 %) 0
G18 17.76° 42.18° 3600 3600 (100.0 %)
0 (0.0 %) 0
G21 15.00° 22.91° 1244 1244 (100.0 %)
0 (0.0 %) 0
G23 33.54° 39.20° 3600 3600 (100.0 %)
0 (0.0 %) 0
G26 45.89° 74.43° 3600 3600 (100.0 %)
0 (0.0 %) 0
G27 44.39° 60.77° 3600 3600 (100.0 %)
0 (0.0 %) 0
G31 15.00° 17.76° 415 415 (100.0 %)
0 (0.0 %) 0

SV GLONASS Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
R3 15.00° 16.39° 892 892 (100.0 %)
0 (0.0 %) 0
R4 15.00° 15.53° 92 92 (100.0 %)
0 (0.0 %) 0
R9 60.15° 68.13° 3600 3600 (100.0 %)
0 (0.0 %) 0
R10 15.00° 40.17° 3498 3498 (100.0 %)
0 (0.0 %) 0
R18 15.00° 35.21° 3160 3160 (100.0 %)
0 (0.0 %) 0
R19 48.07° 66.27° 3600 3600 (100.0 %)
0 (0.0 %) 0
R20 23.92° 41.65° 3600 3600 (100.0 %)
0 (0.0 %) 0

SV Galileo Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
E2 15.00° 26.37° 2211 2211 (100.0 %)
0 (0.0 %) 0
E11 73.08° 80.25° 3600 3600 (100.0 %)
0 (0.0 %) 0
E12 28.75° 48.32° 3600 3600 (100.0 %)
0 (0.0 %) 1
E24 39.85° 62.81° 3600 3600 (100.0 %)
0 (0.0 %) 0
E25 56.78° 72.53° 3600 3600 (100.0 %)
0 (0.0 %) 1
E36 - - 0 0 (-)
3600 (-) 0

SV BeiDou Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
C11 49.51° 61.23° 3600 3600 (100.0 %)
0 (0.0 %) 0
C12 45.23° 63.35° 3600 3600 (100.0 %)
0 (0.0 %) 0
C21 15.00° 25.32° 2265 2265 (100.0 %)
0 (0.0 %) 0
C22 15.00° 15.74° 1888 1888 (100.0 %)
0 (0.0 %) 0
C23 16.01° 31.36° 3600 3600 (100.0 %)
0 (0.0 %) 0
C24 16.80° 41.95° 3600 3600 (100.0 %)
0 (0.0 %) 0
C25 47.65° 55.96° 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
G8 4.2 %
0.0 %
0.0 %
0.0 %
0.0 %
G10 4.3 %
0.0 %
0.0 %
0.0 %
0.0 %
G16 4.3 %
0.0 %
100.0 %
0.0 %
100.0 %
G18 4.3 %
0.0 %
0.0 %
0.0 %
0.0 %
G21 1.5 %
0.0 %
100.0 %
0.0 %
100.0 %
G23 4.3 %
0.0 %
0.0 %
0.0 %
0.0 %
G26 4.3 %
0.0 %
0.0 %
0.0 %
0.0 %
G27 4.3 %
0.0 %
0.0 %
0.0 %
0.0 %
G31 0.5 %
0.0 %
0.0 %
0.0 %
100.0 %

SV GLONASS Observations Missing L1C Missing L2C Missing L2P
R3 1.1 %
0.0 %
0.0 %
0.0 %
R4 0.1 %
0.0 %
0.0 %
0.0 %
R9 4.3 %
0.0 %
0.0 %
0.0 %
R10 4.2 %
0.0 %
100.0 %
100.0 %
R18 3.8 %
0.0 %
0.0 %
0.0 %
R19 4.3 %
0.0 %
0.0 %
0.0 %
R20 4.3 %
0.0 %
0.0 %
0.0 %

SV Galileo Observations Missing L1C Missing L5Q Missing L7Q Missing L8Q
E2 2.6 %
0.0 %
0.0 %
0.0 %
0.0 %
E11 4.3 %
0.0 %
0.0 %
0.0 %
0.0 %
E12 4.3 %
0.0 %
0.0 %
0.0 %
0.0 %
E24 4.3 %
0.0 %
0.0 %
0.0 %
0.0 %
E25 4.3 %
0.0 %
0.0 %
0.0 %
0.0 %

SV BeiDou Observations Missing L2I Missing L7I
C11 4.3 %
0.0 %
0.0 %
C12 4.3 %
0.0 %
0.0 %
C21 2.7 %
0.0 %
100.0 %
C22 2.2 %
0.0 %
100.0 %
C23 4.3 %
0.0 %
100.0 %
C24 4.3 %
0.0 %
100.0 %
C25 4.3 %
0.0 %
100.0 %

Missing code observations by satellite > 15°: 
SV GPS Missing C1C Missing C2S Missing C2W Missing C5Q
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 %
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 %
G31 0.0 %
0.0 %
0.0 %
100.0 %

SV GLONASS Missing C1C Missing C2C Missing C2P
R3 0.0 %
0.0 %
0.0 %
R4 0.0 %
0.0 %
0.0 %
R9 0.0 %
0.0 %
0.0 %
R10 0.0 %
100.0 %
100.0 %
R18 0.0 %
0.0 %
0.0 %
R19 0.0 %
0.0 %
0.0 %
R20 0.0 %
0.0 %
0.0 %

SV Galileo Missing C1C Missing C5Q Missing C7Q Missing C8Q
E2 0.0 %
0.0 %
0.0 %
0.0 %
E11 0.0 %
0.0 %
0.0 %
0.0 %
E12 0.0 %
0.0 %
0.0 %
0.0 %
E24 0.0 %
0.0 %
0.0 %
0.0 %
E25 0.0 %
0.0 %
0.0 %
0.0 %

SV BeiDou Missing C2I Missing C7I
C11 0.0 %
0.0 %
C12 0.0 %
0.0 %
C21 0.0 %
100.0 %
C22 0.0 %
100.0 %
C23 0.0 %
100.0 %
C24 0.0 %
100.0 %
C25 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
1.3 %
80 - 85 0
0
0
0
0
0
1.8 %
75 - 80 0
0
0
0
0
0
3.7 %
70 - 75 0
0
1
0
0
0
3.0 %
65 - 70 0
0
0
0
0
0
5.7 %
60 - 65 0
0
0
0
0
0
6.9 %
55 - 60 0
0
0
0
0
0
9.8 %
50 - 55 0
0
0
0
0
0
8.6 %
45 - 50 0
0
0
0
0
0
6.0 %
40 - 45 0
0
1
0
0
0
4.5 %
35 - 40 0
0
0
0
0
0
9.9 %
30 - 35 0
0
0
0
0
0
8.3 %
25 - 30 0
0
0
0
0
0
8.9 %
20 - 25 0
0
0
0
0
0
9.3 %
15 - 20 0
0
0
0
0
0
12.2 %
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
G8 42.9
45.9
49.5
G10 49.3
49.7
53.0
G16 52.6
52.5
-
G18 45.9
48.5
51.3
G21 41.7
39.7
-
G23 48.8
50.7
53.7
G26 52.7
54.0
57.3
G27 52.6
54.2
56.8
G31 42.0
42.7
-
Average GPS: 47.6
48.7
53.6

SV GLONASS G1 G2
R3 44.3
43.0
R4 42.5
43.4
R9 55.1
54.3
R10 44.5
-
R18 45.7
45.8
R19 43.3
49.7
R20 38.5
47.3
Average GLONASS: 44.8
47.3

SV Galileo E1 E5a E5b E5a+b
E2 44.1
46.6
46.9
49.8
E11 52.0
53.3
53.9
56.7
E12 47.1
48.5
49.4
52.0
E24 53.3
54.3
55.0
57.7
E25 55.4
56.1
56.9
59.5
Average Galileo: 50.4
51.7
52.4
55.2

SV BeiDou B1I B2I
C11 51.1
54.9
C12 50.6
54.6
C21 43.5
-
C22 42.4
-
C23 44.3
-
C24 46.2
-
C25 52.8
-
Average BeiDou: 47.3
54.7

Code multipath by satellite > 15°: 
SV GPS Av Elev MP (L1) MP (L2) MP (L5)
G8 24.0 ° 0.25 m
0.16 m
0.29 m
G10 35.4 ° 0.19 m
0.12 m
0.23 m
G16 77.5 ° 0.05 m
0.07 m
-
G18 30.0 ° 0.19 m
0.14 m
0.44 m
G21 19.0 ° 0.37 m
0.22 m
-
G23 36.4 ° 0.14 m
0.13 m
0.33 m
G26 60.2 ° 0.10 m
0.08 m
0.18 m
G27 52.6 ° 0.09 m
0.08 m
0.17 m
G31 16.4 ° 0.09 m
0.22 m
-
Average GPS: - 0.16 m
0.14 m
0.27 m

SV GLONASS Av Elev MP (G1) MP (G2)
R3 15.7 ° 0.18 m
0.43 m
R4 - - -
R9 64.1 ° 0.05 m
0.14 m
R10 - - -
R18 25.1 ° 0.20 m
0.32 m
R19 57.2 ° 0.12 m
0.15 m
R20 32.8 ° 0.22 m
0.23 m
Average GLONASS: - 0.16 m
0.25 m

SV Galileo Av Elev MP (E1) MP (E5a) MP (E5b) MP (E5a+b)
E2 20.7 ° 0.13 m
0.32 m
0.24 m
0.07 m
E11 76.7 ° 0.05 m
0.15 m
0.11 m
0.04 m
E12 38.5 ° 0.10 m
0.29 m
0.20 m
0.06 m
E24 51.3 ° 0.07 m
0.17 m
0.15 m
0.04 m
E25 64.7 ° 0.05 m
0.16 m
0.17 m
0.03 m
Average Galileo: - 0.08 m
0.22 m
0.17 m
0.05 m

SV BeiDou Av Elev MP (B1I) MP (B2I)
C11 55.4 ° 0.13 m
0.13 m
C12 54.3 ° 0.12 m
0.17 m
C21 20.2 ° 0.60 m
-
C22 15.4 ° 0.37 m
-
C23 23.7 ° 1.19 m
-
C24 29.4 ° 1.25 m
-
C25 51.8 ° 0.09 m
-
Average BeiDou: - 0.54 m
0.15 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 0.05 m
0.06 m
- - - - -
80 - 85 0.06 m
0.06 m
0.10 m
0.09 m
0.02 m
- -
75 - 80 0.05 m
0.06 m
0.16 m
0.12 m
0.04 m
- -
70 - 75 0.06 m
0.10 m
0.16 m
0.16 m
0.04 m
- -
65 - 70 0.07 m
0.13 m
0.12 m
0.14 m
0.03 m
- -
60 - 65 0.09 m
0.09 m
0.16 m
0.16 m
0.03 m
- -
55 - 60 0.09 m
0.11 m
0.15 m
0.13 m
0.04 m
- -
50 - 55 0.10 m
0.13 m
0.18 m
0.14 m
0.03 m
- -
45 - 50 0.12 m
0.08 m
0.24 m
0.18 m
0.06 m
- -
40 - 45 0.22 m
0.10 m
0.18 m
0.15 m
0.05 m
- -
35 - 40 0.27 m
0.14 m
0.31 m
0.20 m
0.07 m
- -
30 - 35 0.36 m
0.18 m
0.34 m
0.30 m
0.05 m
- -
25 - 30 0.37 m
0.19 m
0.33 m
0.19 m
0.06 m
- -
20 - 25 0.41 m
0.27 m
0.42 m
0.24 m
0.06 m
- -
15 - 20 0.61 m
0.26 m
0.29 m
0.26 m
0.08 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 2022/02/21 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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This file was processed using version 7.7.1.9072