Leica SpiderQC v7.5 Quality Report


Program Run: 2021/07/21 01:00:00.54

File Details:


Observation File: osun202a.21o
GPS Navigation File: osun202a.21n
GLONASS Navigation File: osun202a.21g
Galileo Navigation File: osun202a.21l
BeiDou Navigation File: osun202a.21f
Quality Testing:  Pass 

Station Details:


Marker Name/Number:  OSUN  13465M001   
Observer/Agency:  IECA  Junta de Andalucia   
Receiver #/Type/Vers:  5605R50391  TRIMBLE NETR9  5.37 
Antenna #/Type:  1441100465  TRM57971.00 NONE   
Antenna Offsets (HEN):  0.000  0.000  0.000 
Approx Position (XYZ):  5064632.608  -451576.083  3838171.709 
Approx Position (plh):  37° 13' 56.32174" N  5° 05' 42.61231" W  363.146m 
Diff. Est-Header:  -2132.5 m dX  -11326.2 m dY  -4373.8 m dZ 
Diff. Est-Header:  12327.2 m (3600 estimates) 

Session Summary:


Time of first obs:  2021/07/21 00:00:00.00 GPS 
Time of last obs:  2021/07/21 00:59:59.00 GPS 
Session length:  59.98 minutes 
GPS week:  2167, day 3 
Observation interval:  1.00 seconds 
UTC leap seconds:  18 seconds 

Num SVs with obs:  37 
Num SVs with nav:  78 
Total GPS orbits:  56 
Total GLONASS orbits:  38 
Total Galileo orbits:  384 
Total BeiDou orbits:  28 
Total QZSS orbits: 
Total NavIC orbits: 
SVs with obs:  G5 G10 G12 G13 G14 G15 G17 G18 G19 G20 G23 G24 G25 G30 R1 R2 R3 R4 R12 R13 R14 R21 E1 E7 E19 E21 E27 E30 C5 C10 C19 C20 C21 C22 C27 C28 C30  
SVs without obs:  G1 G2 G3 G4 G6 G7 G8 G9 G11 G16 G21 G22 G26 G27 G28 G29 G31 G32 R5 R6 R7 R8 R9 R10 R11 R15 R16 R17 R18 R19 R20 R22 R23 R24 E2 E3 E4 E5 E6 E8 E9 E10 E11 E12 E13 E14 E15 E16 E17 E18 E20 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 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 G9 G10 G11 G12 G13 G14 G15 G16 G17 G18 G19 G20 G22 G23 G24 G25 G28 G29 G30 R1 R2 R3 R4 R6 R7 R8 R9 R10 R11 R12 R13 R14 R16 R17 R18 R19 R21 R22 R23 R24 E1 E2 E3 E7 E8 E12 E13 E14 E15 E19 E21 E25 E26 E27 E30 E33 C5 C7 C9 C10 C19 C20 C21 C22 C23 C24 C25 C27 C28 C29 C30  
SVs without nav:  G8 G21 G26 G27 G31 G32 R5 R15 R20 E4 E5 E6 E9 E10 E11 E16 E17 E18 E20 E22 E23 E24 E28 E29 E31 E32 E34 E35 E36 C1 C2 C3 C4 C6 C8 C11 C12 C13 C14 C15 C16 C17 C18 C26 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 62 slips 
Multipath:  Pass  Value 0.36m MP1 / 0.26m MP2 / 0.30m 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 105 slips 
Multipath:  Pass  Value 0.47m MP1 / 0.36m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 90.0 % 
Navigation Data:  Pass   
     
Galileo Specific Tests 
Cycle Slips:  Pass  Value 3 slips, Threshold 106 slips 
Multipath:  Pass  Value 0.18m MP1 / 0.21m MP5a / 0.23m MP5b / 0.04m 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 0.21m MP1 / 0.28m MP3, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 90.0 % 
Navigation Data:  Pass   

General Quality Indicators:


Tracking   
Num obs > 0°:  109872 
Num possible obs > 0°:  116107 
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°:  3600  (100.0 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.0  2.4  2.2 
GDOP  2.4  2.9  2.7 

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:  0.034505 ms (at 2021/07/21 00:35:30.00) 
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°:  109872  38560  25389  18649  27274 
Num possible obs > 0°:  116107  39419  28799  19487  28402 
Num obs with invalid nav: 
Num obs without nav: 
Num obs to unhealthy SV: 
               
Tracking over Elevation Mask (15°) 
Num obs > 15°:  76486  31238  17452  17593  10203 
% obs > 15°:   100.0 %  100.0 %  100.0 %  100.0 %  100.0 % 
Num possible obs > 15°:  76486  31238  17452  17593  10203 
Num complete obs > 15°:  76486  31238  17452  17593  10203 
% complete obs > 15°:   100.0 %  100.0 %  100.0 %  100.0 %  100.0 % 
Num obs with WLF change:  
Average # SV per Epoch:  21.2   8.7   4.8   4.9   2.8  
               
Observation ratio w.r.t. L1/E1/B1I: 
Obs L2/B1C:  1.363   1.770   1.000  
Obs E5b/B2I:  0.633   1.000  
Obs L5/E5a/B2a:  0.588   0.357   1.000  
Obs E5a+b/B2a+b:  1.000   1.000  
Obs L6/E6/B3I/G2a:  1.000   1.000  
Obs G3: 

Cycle Slips               
Num cycle slips > 15°: 
% slips per complete obs:  0.005 %  0.006 %  0.017 % 
Num complete obs per slip:  19121   17452   5864  
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:  0.339 m  0.362 m  0.469 m  0.183 m  0.213 m 
MP (L2/B1C) RMS:  0.302 m  0.263 m  0.365 m 
MP (L5/E5a/B2a) RMS:  0.254 m  0.303 m  0.206 m 
MP (E5b/B2I) RMS:  0.233 m  0.233 m 
MP (E5a+b/B2a+b) RMS:  0.038 m  0.038 m 
MP (L6/E6/B3I/G2a) RMS:  0.276 m  0.276 m 
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 %
L1P 100.0 %
100.0 %
100.0 %
0.0 %
L1I 100.0 %
100.0 %
100.0 %
100.0 %
L1X 100.0 %
100.0 %
100.0 %
100.0 %
L2C 100.0 %
100.0 %
100.0 %
0.0 %
L2P 100.0 %
100.0 %
100.0 %
0.0 %
L2W 100.0 %
100.0 %
100.0 %
0.0 %
L2X 77.0 %
77.0 %
77.0 %
0.0 %
L5X 58.8 %
58.8 %
58.8 %
0.0 %
L7I 0.0 %
0.0 %
0.0 %
0.0 %
L7X 100.0 %
100.0 %
100.0 %
0.0 %
L8X 100.0 %
100.0 %
100.0 %
0.0 %
L6I 100.0 %
100.0 %
100.0 %
0.0 %

Tracking by satellite > 15°: 
SV GPS Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
G5 15.01° 29.87° 2097 2097 (100.0 %)
0 (0.0 %) 0
G10 15.00° 22.50° 2070 2070 (100.0 %)
0 (0.0 %) 0
G12 21.49° 49.29° 3600 3600 (100.0 %)
0 (0.0 %) 0
G13 35.42° 56.96° 3600 3600 (100.0 %)
0 (0.0 %) 0
G14 15.01° 26.15° 1748 1748 (100.0 %)
0 (0.0 %) 0
G15 65.00° 87.50° 3600 3600 (100.0 %)
0 (0.0 %) 0
G17 18.00° 20.71° 3600 3600 (100.0 %)
0 (0.0 %) 0
G19 15.76° 27.89° 3600 3600 (100.0 %)
0 (0.0 %) 0
G23 32.62° 37.17° 3600 3600 (100.0 %)
0 (0.0 %) 0
G24 51.67° 66.58° 3600 3600 (100.0 %)
0 (0.0 %) 0
G25 15.00° 15.81° 123 123 (100.0 %)
0 (0.0 %) 0

SV GLONASS Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
R1 15.01° 16.12° 145 145 (100.0 %)
0 (0.0 %) 0
R2 44.12° 79.96° 3600 3600 (100.0 %)
0 (0.0 %) 1
R3 42.35° 69.30° 3600 3600 (100.0 %)
0 (0.0 %) 0
R4 15.00° 21.64° 874 874 (100.0 %)
0 (0.0 %) 0
R12 31.45° 58.85° 3600 3600 (100.0 %)
0 (0.0 %) 0
R13 55.81° 64.88° 3600 3600 (100.0 %)
0 (0.0 %) 0
R14 15.00° 26.70° 2033 2033 (100.0 %)
0 (0.0 %) 0

SV Galileo Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
E7 27.95° 47.95° 3600 3600 (100.0 %)
0 (0.0 %) 0
E19 28.43° 47.28° 3600 3600 (100.0 %)
0 (0.0 %) 0
E21 34.53° 54.53° 3600 3600 (100.0 %)
0 (0.0 %) 0
E27 67.51° 84.65° 3600 3600 (100.0 %)
0 (0.0 %) 0
E30 15.00° 31.42° 3193 3193 (100.0 %)
0 (0.0 %) 3

SV BeiDou Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
C19 50.01° 72.00° 3600 3600 (100.0 %)
0 (0.0 %) 0
C20 15.01° 34.91° 2888 2888 (100.0 %)
0 (0.0 %) 0
C22 31.02° 47.14° 3600 3600 (100.0 %)
0 (0.0 %) 0
C27 15.00° 15.37° 115 115 (100.0 %)
0 (0.0 %) 0

Missing phase observations by satellite > 15°: 
SV GPS Observations Missing L1C Missing L2W Missing L2X Missing L5X
G5 2.7 %
0.0 %
0.0 %
0.0 %
100.0 %
G10 2.7 %
0.0 %
0.0 %
0.0 %
0.0 %
G12 4.7 %
0.0 %
0.0 %
0.0 %
100.0 %
G13 4.7 %
0.0 %
0.0 %
100.0 %
100.0 %
G14 2.3 %
0.0 %
0.0 %
0.0 %
0.0 %
G15 4.7 %
0.0 %
0.0 %
0.0 %
100.0 %
G17 4.7 %
0.0 %
0.0 %
0.0 %
100.0 %
G19 4.7 %
0.0 %
0.0 %
100.0 %
100.0 %
G23 4.7 %
0.0 %
0.0 %
0.0 %
0.0 %
G24 4.7 %
0.0 %
0.0 %
0.0 %
0.0 %
G25 0.2 %
0.0 %
0.0 %
0.0 %
0.0 %

SV GLONASS Observations Missing L1C Missing L1P Missing L2C Missing L2P
R1 0.2 %
0.0 %
0.0 %
0.0 %
0.0 %
R2 4.7 %
0.0 %
0.0 %
0.0 %
0.0 %
R3 4.7 %
0.0 %
0.0 %
0.0 %
0.0 %
R4 1.1 %
0.0 %
0.0 %
0.0 %
0.0 %
R12 4.7 %
0.0 %
0.0 %
0.0 %
0.0 %
R13 4.7 %
0.0 %
0.0 %
0.0 %
0.0 %
R14 2.7 %
0.0 %
0.0 %
0.0 %
0.0 %

SV Galileo Observations Missing L1X Missing L5X Missing L7X Missing L8X
E7 4.7 %
0.0 %
0.0 %
0.0 %
0.0 %
E19 4.7 %
0.0 %
0.0 %
0.0 %
0.0 %
E21 4.7 %
0.0 %
0.0 %
0.0 %
0.0 %
E27 4.7 %
0.0 %
0.0 %
0.0 %
0.0 %
E30 4.2 %
0.0 %
0.0 %
0.0 %
0.0 %

SV BeiDou Observations Missing L2I Missing L7I Missing L6I
C19 4.7 %
0.0 %
100.0 %
0.0 %
C20 3.8 %
0.0 %
100.0 %
0.0 %
C22 4.7 %
0.0 %
100.0 %
0.0 %
C27 0.2 %
0.0 %
100.0 %
0.0 %

Missing code observations by satellite > 15°: 
SV GPS Missing C1C Missing C2W Missing C2X Missing C5X
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 %
0.0 %
100.0 %
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 %
0.0 %
100.0 %
100.0 %
G23 0.0 %
0.0 %
0.0 %
0.0 %
G24 0.0 %
0.0 %
0.0 %
0.0 %
G25 0.0 %
0.0 %
0.0 %
0.0 %

SV GLONASS Missing C1C Missing C1P Missing C2C Missing C2P
R1 0.0 %
0.0 %
0.0 %
0.0 %
R2 0.0 %
0.0 %
0.0 %
0.0 %
R3 0.0 %
0.0 %
0.0 %
0.0 %
R4 0.0 %
0.0 %
0.0 %
0.0 %
R12 0.0 %
0.0 %
0.0 %
0.0 %
R13 0.0 %
0.0 %
0.0 %
0.0 %
R14 0.0 %
0.0 %
0.0 %
0.0 %

SV Galileo Missing C1X Missing C5X Missing C7X Missing C8X
E7 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 %
E27 0.0 %
0.0 %
0.0 %
0.0 %
E30 0.0 %
0.0 %
0.0 %
0.0 %

SV BeiDou Missing C2I Missing C7I Missing C6I
C19 0.0 %
100.0 %
0.0 %
C20 0.0 %
100.0 %
0.0 %
C22 0.0 %
100.0 %
0.0 %
C27 0.0 %
100.0 %
0.0 %

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
1.4 %
80 - 85 0
0
0
0
0
0
2.9 %
75 - 80 0
0
0
0
0
0
2.5 %
70 - 75 0
0
0
0
0
0
3.3 %
65 - 70 0
0
0
0
0
0
4.9 %
60 - 65 0
0
0
0
0
0
7.9 %
55 - 60 0
0
0
0
0
0
5.9 %
50 - 55 0
0
0
0
0
0
6.3 %
45 - 50 0
1
0
0
0
0
7.4 %
40 - 45 0
0
0
0
0
0
8.5 %
35 - 40 0
0
0
0
0
0
11.0 %
30 - 35 0
0
0
0
0
0
7.5 %
25 - 30 0
0
0
0
0
0
6.9 %
20 - 25 0
0
0
0
0
0
12.0 %
15 - 20 0
0
3
0
0
0
11.6 %
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
G5 41.3
40.1
-
G10 40.2
39.7
44.7
G12 44.4
42.5
-
G13 45.8
32.8
-
G14 38.4
41.1
45.7
G15 47.5
49.3
-
G17 38.6
38.5
-
G19 40.7
25.5
-
G23 44.2
45.1
49.0
G24 46.1
49.5
54.0
G25 37.7
37.8
43.1
Average GPS: 42.3
40.2
47.3

SV GLONASS G1 G2
R1 35.2
34.0
R2 46.6
47.4
R3 45.4
48.0
R4 39.2
39.5
R12 44.4
45.9
R13 34.1
42.7
R14 40.7
40.5
Average GLONASS: 40.8
42.6

SV Galileo E1 E5a E5b E5a+b
E7 45.1
48.1
47.4
51.4
E19 41.3
43.9
42.4
47.0
E21 46.8
49.3
48.6
52.6
E27 47.7
52.5
51.8
55.7
E30 40.8
44.4
43.5
47.7
Average Galileo: 44.3
47.6
46.7
50.9

SV BeiDou B1I B3I
C19 47.8
49.6
C20 43.2
44.4
C22 46.5
47.5
C27 40.3
40.9
Average BeiDou: 44.4
45.6

Code multipath by satellite > 15°: 
SV GPS Av Elev MP (L1) MP (L2) MP (L5)
G5 22.4 ° 0.42 m
0.30 m
-
G10 18.7 ° 0.40 m
0.36 m
0.30 m
G12 35.4 ° 0.35 m
0.27 m
-
G13 46.2 ° 0.26 m
0.13 m
-
G14 20.6 ° 0.43 m
0.30 m
0.52 m
G15 76.3 ° 0.22 m
0.15 m
-
G17 19.4 ° 0.47 m
0.35 m
-
G19 21.8 ° 0.40 m
0.33 m
-
G23 34.9 ° 0.29 m
0.22 m
0.13 m
G24 59.1 ° 0.24 m
0.15 m
0.11 m
G25 15.4 ° 0.51 m
0.33 m
0.45 m
Average GPS: - 0.36 m
0.26 m
0.30 m

SV GLONASS Av Elev MP (G1) MP (G2)
R1 15.6 ° 1.23 m
1.01 m
R2 62.0 ° 0.19 m
0.12 m
R3 55.8 ° 0.15 m
0.10 m
R4 18.3 ° 0.39 m
0.29 m
R12 45.2 ° 0.21 m
0.14 m
R13 60.3 ° 0.26 m
0.10 m
R14 20.8 ° 0.86 m
0.79 m
Average GLONASS: - 0.47 m
0.36 m

SV Galileo Av Elev MP (E1) MP (E5a) MP (E5b) MP (E5a+b)
E7 38.0 ° 0.16 m
0.13 m
0.15 m
0.02 m
E19 37.9 ° 0.19 m
0.16 m
0.16 m
0.08 m
E21 44.5 ° 0.20 m
0.22 m
0.26 m
0.03 m
E27 76.1 ° 0.11 m
0.07 m
0.08 m
0.01 m
E30 23.2 ° 0.25 m
0.45 m
0.51 m
0.05 m
Average Galileo: - 0.18 m
0.21 m
0.23 m
0.04 m

SV BeiDou Av Elev MP (B1I) MP (B3I)
C19 61.0 ° 0.16 m
0.07 m
C20 25.0 ° 0.28 m
0.62 m
C22 39.1 ° 0.20 m
0.14 m
C27 - - -
Average BeiDou: - 0.21 m
0.28 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 0.22 m
0.13 m
- - - - -
80 - 85 0.14 m
0.14 m
0.06 m
0.08 m
0.01 m
- -
75 - 80 0.15 m
0.12 m
0.09 m
0.08 m
0.02 m
- -
70 - 75 0.15 m
0.12 m
0.07 m
0.08 m
0.01 m
0.06 m
-
65 - 70 0.17 m
0.12 m
0.10 m
0.09 m
0.03 m
0.07 m
-
60 - 65 0.22 m
0.12 m
0.10 m
- - 0.07 m
-
55 - 60 0.21 m
0.12 m
0.13 m
- - 0.07 m
-
50 - 55 0.20 m
0.12 m
0.09 m
0.11 m
0.02 m
0.08 m
-
45 - 50 0.20 m
0.15 m
0.10 m
0.10 m
0.03 m
0.17 m
-
40 - 45 0.22 m
0.16 m
0.16 m
0.20 m
0.04 m
0.11 m
-
35 - 40 0.26 m
0.20 m
0.18 m
0.26 m
0.03 m
0.14 m
-
30 - 35 0.23 m
0.25 m
0.19 m
0.21 m
0.07 m
0.16 m
-
25 - 30 0.31 m
0.28 m
0.38 m
0.40 m
0.05 m
0.34 m
-
20 - 25 0.45 m
0.42 m
0.37 m
0.46 m
0.05 m
0.58 m
-
15 - 20 0.48 m
0.39 m
0.46 m
0.68 m
0.06 m
1.39 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 2021/07/21 00:59:59.00
- The header coordinates are of poor accuracy or there was a problem estimating the site coordinates. Problems estimating the site coordinates could be caused by corrupt ephemeris, corrupt raw data or missing UTC Leap Seconds in the case of mixed GPS/GLONASS data.

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 G1, G2 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, L2 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 7.5.2.8679