Leica SpiderQC v7.5 Quality Report


Program Run: 2021/08/16 04:02:23.66

File Details:


Observation File: pozo228d.21o
GPS Navigation File: pozo228d.21n
GLONASS Navigation File: pozo228d.21g
Galileo Navigation File: pozo228d.21l
BeiDou Navigation File: pozo228d.21f
Quality Testing:  Pass 

Station Details:


Marker Name/Number:  POZO  13468M001   
Observer/Agency:  IECA  Junta de Andalucia   
Receiver #/Type/Vers:  1832461  LEICA GR50  4.20/7.300 
Antenna #/Type:  21015005  LEIAR20 LEIM   
Antenna Offsets (HEN):  0.000  0.000  0.000 
Approx Position (XYZ):  4988767.003  -423244.328  3939354.591 
Approx Position (plh):  38° 23' 0.47934" N  4° 50' 57.59105" W  736.051m 
Diff. Est-Header:  -1.3 m dX  -4.9 m dY  0.3 m dZ 
Diff. Est-Header:  5.1 m (3600 estimates) 

Session Summary:


Time of first obs:  2021/08/16 03:00:00.00 GPS 
Time of last obs:  2021/08/16 03:59:59.00 GPS 
Session length:  59.98 minutes 
GPS week:  2171, day 1 
Observation interval:  1.00 seconds 
UTC leap seconds:  18 seconds 

Num SVs with obs:  38 
Num SVs with nav:  102 
Total GPS orbits:  32 
Total GLONASS orbits:  43 
Total Galileo orbits:  110 
Total BeiDou orbits:  31 
Total QZSS orbits: 
Total NavIC orbits: 
SVs with obs:  G2 G6 G12 G18 G24 G25 G26 G29 G31 G32 R1 R7 R8 R9 R10 R15 R16 R17 R18 R19 R20 E1 E4 E5 E9 E12 E24 E26 E31 E33 C5 C11 C12 C13 C23 C24 C25 C26  
SVs without obs:  G1 G3 G4 G5 G7 G8 G9 G10 G11 G13 G14 G15 G16 G17 G19 G20 G21 G22 G23 G27 G28 G30 R2 R3 R4 R5 R6 R11 R12 R13 R14 R21 R22 R23 R24 E2 E3 E6 E7 E8 E10 E11 E13 E14 E15 E16 E17 E18 E19 E20 E21 E22 E23 E25 E27 E28 E29 E30 E32 E34 E35 E36 C1 C2 C3 C4 C6 C7 C8 C9 C10 C14 C15 C16 C17 C18 C19 C20 C21 C22 C27 C28 C29 C30 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 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 E18 E19 E21 E24 E25 E26 E27 E30 E31 E33 C5 C6 C7 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 E14 E16 E17 E20 E22 E23 E28 E29 E32 E34 E35 E36 C1 C2 C3 C4 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 2 slips, Threshold 48 slips 
Multipath:  Pass  Value 0.16m MP1 / 0.16m MP2 / 0.20m 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 128 slips 
Multipath:  Pass  Value 0.22m MP1 / 0.23m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 93.1 %, Threshold 90.0 % 
Navigation Data:  Pass   
     
Galileo Specific Tests 
Cycle Slips:  Pass  Value 0 slips, Threshold 149 slips 
Multipath:  Pass  Value 0.15m MP1 / 0.22m MP5a / 0.21m MP5b / 0.07m 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 120 slips 
Multipath:  Pass  Value 0.17m 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°:  117044 
Num possible obs > 0°:  121850 
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°:  2025  (56.3 %) 
Epochs with full data > 15°:  2025  (56.3 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.0  2.5  2.2 
GDOP  2.4  3.0  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 
R20  26.233  377 / 1951  15.01° / 27.74°  182.26° / 183.19° 
Total:  26.233 (1574 observations) 

Receiver Clock 
Clock Slips > 15°: 
Max RX clock offset:  0.000014 ms (at 2021/08/16 03:57:29.00) 
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°:  117044  30859  30368  29951  25866 
Num possible obs > 0°:  121850  30864  33040  29909  28037 
Num obs with invalid nav: 
Num obs without nav: 
Num obs to unhealthy SV: 
               
Tracking over Elevation Mask (15°) 
Num obs > 15°:  90321  24090  21404  24803  20024 
% obs > 15°:   98.3 %  100.0 %  93.1 %  100.0 %  100.0 % 
Num possible obs > 15°:  91896  24090  22979  24803  20024 
Num complete obs > 15°:  90321  24090  21404  24803  20024 
% complete obs > 15°:   98.3 %  100.0 %  93.1 %  100.0 %  100.0 % 
Num obs with WLF change:  
Average # SV per Epoch:  25.1   6.7   5.9   6.9   5.6  
               
Observation ratio w.r.t. L1/E1/B1I: 
Obs L2/B1C:  1.827   1.923   1.718  
Obs E5b/B2I:  0.794   1.000   0.539  
Obs L5/E5a/B2a:  0.748   0.489   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:  0.006 %  0.008 %  0.014 % 
Num complete obs per slip:  18064   12045   7134  
IOD Slips > 15°: 
Outliers > 15°: 
LLI : Obs L1/E1/B1I:  0.0000   0.0000  
LLI : Obs L2/B1C:  0.0000   0.0000  
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:  0.174 m  0.164 m  0.221 m  0.147 m  0.167 m 
MP (L2/B1C) RMS:  0.193 m  0.160 m  0.231 m 
MP (L5/E5a/B2a) RMS:  0.214 m  0.198 m  0.222 m 
MP (E5b/B2I) RMS:  0.193 m  0.209 m  0.149 m 
MP (E5a+b/B2a+b) RMS:  0.069 m  0.069 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 85.9 %
85.9 %
85.9 %
85.9 %
L2P 85.9 %
85.9 %
85.9 %
85.9 %
L2S 92.3 %
92.3 %
92.3 %
92.3 %
L2W 100.0 %
100.0 %
100.0 %
100.0 %
L5Q 74.8 %
74.8 %
74.8 %
74.8 %
L7I 53.9 %
53.9 %
53.9 %
53.9 %
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
G2 15.00° 20.69° 1862 1862 (100.0 %)
0 (0.0 %) 0
G12 15.00° 31.70° 3240 3240 (100.0 %)
0 (0.0 %) 0
G18 15.00° 28.21° 1897 1897 (100.0 %)
0 (0.0 %) 0
G25 43.71° 61.25° 3600 3600 (100.0 %)
0 (0.0 %) 0
G26 15.00° 29.46° 2691 2691 (100.0 %)
0 (0.0 %) 0
G29 72.08° 86.21° 3600 3600 (100.0 %)
0 (0.0 %) 0
G31 36.98° 62.41° 3600 3600 (100.0 %)
0 (0.0 %) 0
G32 17.98° 39.30° 3600 3600 (100.0 %)
0 (0.0 %) 2

SV GLONASS Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
R7 15.00° 19.84° 897 897 (100.0 %)
0 (0.0 %) 0
R8 15.00° 15.97° 1449 1449 (100.0 %)
0 (0.0 %) 0
R9 51.56° 68.45° 3600 3600 (100.0 %)
0 (0.0 %) 0
R10 15.00° 34.48° 3009 3009 (100.0 %)
0 (0.0 %) 0
R16 32.47° 50.06° 3600 3600 (100.0 %)
0 (0.0 %) 0
R18 18.34° 43.99° 3600 3600 (100.0 %)
0 (0.0 %) 1
R19 57.86° 68.21° 3600 3600 (100.0 %)
0 (0.0 %) 0
R20 29.02° 44.73° 3224 1649 (51.1 %)
0 (0.0 %) 2

SV Galileo Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
E1 15.00° 22.04° 1922 1922 (100.0 %)
0 (0.0 %) 0
E5 20.35° 27.16° 3600 3600 (100.0 %)
0 (0.0 %) 0
E9 15.00° 30.27° 2928 2928 (100.0 %)
0 (0.0 %) 0
E12 24.87° 48.50° 3600 3600 (100.0 %)
0 (0.0 %) 0
E24 42.58° 57.42° 3600 3600 (100.0 %)
0 (0.0 %) 0
E26 15.00° 21.51° 1953 1953 (100.0 %)
0 (0.0 %) 0
E31 57.30° 65.87° 3600 3600 (100.0 %)
0 (0.0 %) 0
E33 43.10° 47.05° 3600 3600 (100.0 %)
0 (0.0 %) 0

SV BeiDou Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
C11 22.90° 49.20° 3600 3600 (100.0 %)
0 (0.0 %) 0
C12 63.73° 72.94° 3600 3600 (100.0 %)
0 (0.0 %) 0
C13 20.44° 24.81° 3600 3600 (100.0 %)
0 (0.0 %) 0
C24 53.00° 70.65° 3600 3600 (100.0 %)
0 (0.0 %) 0
C25 41.73° 64.64° 3600 3600 (100.0 %)
0 (0.0 %) 0
C26 15.00° 25.28° 2024 2024 (100.0 %)
0 (0.0 %) 0

Missing phase observations by satellite > 15°: 
SV GPS Observations Missing L1C Missing L2S Missing L2W Missing L5Q
G2 2.1 %
0.0 %
100.0 %
0.0 %
100.0 %
G12 3.6 %
0.0 %
0.0 %
0.0 %
100.0 %
G18 2.1 %
0.0 %
0.0 %
0.0 %
0.0 %
G25 4.0 %
0.0 %
0.0 %
0.0 %
0.0 %
G26 3.0 %
0.0 %
0.0 %
0.0 %
0.0 %
G29 4.0 %
0.0 %
0.0 %
0.0 %
100.0 %
G31 4.0 %
0.0 %
0.0 %
0.0 %
100.0 %
G32 4.0 %
0.0 %
0.0 %
0.0 %
0.0 %

SV GLONASS Observations Missing L1C Missing L2C Missing L2P
R7 1.0 %
0.0 %
0.0 %
0.0 %
R8 1.6 %
0.0 %
0.0 %
0.0 %
R9 4.0 %
0.0 %
0.0 %
0.0 %
R10 3.3 %
0.0 %
100.0 %
100.0 %
R16 4.0 %
0.0 %
0.0 %
0.0 %
R18 4.0 %
0.0 %
0.0 %
0.0 %
R19 4.0 %
0.0 %
0.0 %
0.0 %
R20 1.8 %
0.0 %
0.2 %
0.2 %

SV Galileo Observations Missing L1C Missing L5Q Missing L7Q Missing L8Q
E1 2.1 %
0.0 %
0.0 %
0.0 %
0.0 %
E5 4.0 %
0.0 %
0.0 %
0.0 %
0.0 %
E9 3.2 %
0.0 %
0.0 %
0.0 %
0.0 %
E12 4.0 %
0.0 %
0.0 %
0.0 %
0.0 %
E24 4.0 %
0.0 %
0.0 %
0.0 %
0.0 %
E26 2.2 %
0.0 %
0.0 %
0.0 %
0.0 %
E31 4.0 %
0.0 %
0.0 %
0.0 %
0.0 %
E33 4.0 %
0.0 %
0.0 %
0.0 %
0.0 %

SV BeiDou Observations Missing L2I Missing L7I
C11 4.0 %
0.0 %
0.0 %
C12 4.0 %
0.0 %
0.0 %
C13 4.0 %
0.0 %
0.0 %
C24 4.0 %
0.0 %
100.0 %
C25 4.0 %
0.0 %
100.0 %
C26 2.2 %
0.0 %
100.0 %

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

SV GLONASS Missing C1C Missing C2C Missing C2P
R7 0.0 %
0.0 %
0.0 %
R8 0.0 %
0.0 %
0.0 %
R9 0.0 %
0.0 %
0.0 %
R10 0.0 %
100.0 %
100.0 %
R16 0.0 %
0.0 %
0.0 %
R18 0.0 %
0.0 %
0.0 %
R19 0.0 %
0.0 %
0.0 %
R20 0.0 %
0.1 %
0.1 %

SV Galileo Missing C1C Missing C5Q Missing C7Q Missing C8Q
E1 0.0 %
0.0 %
0.0 %
0.0 %
E5 0.0 %
0.0 %
0.0 %
0.0 %
E9 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 %
E26 0.0 %
0.0 %
0.0 %
0.0 %
E31 0.0 %
0.0 %
0.0 %
0.0 %
E33 0.0 %
0.0 %
0.0 %
0.0 %

SV BeiDou Missing C2I Missing C7I
C11 0.0 %
0.0 %
C12 0.0 %
0.0 %
C13 0.0 %
0.0 %
C24 0.0 %
100.0 %
C25 0.0 %
100.0 %
C26 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
0.8 %
80 - 85 0
0
0
0
0
0
1.5 %
75 - 80 0
0
0
0
0
0
1.2 %
70 - 75 0
0
0
0
0
0
3.3 %
65 - 70 0
0
0
0
0
0
6.6 %
60 - 65 0
0
0
0
0
0
7.5 %
55 - 60 0
0
0
0
0
0
6.8 %
50 - 55 0
0
0
0
0
0
5.2 %
45 - 50 0
0
0
0
0
0
9.9 %
40 - 45 0
0
0
0
0
0
7.1 %
35 - 40 1
0
0
0
0
0
5.3 %
30 - 35 0
0
0
0
0
0
5.5 %
25 - 30 1
2
0
0
0
0
9.8 %
20 - 25 0
1
0
0
0
0
15.4 %
15 - 20 0
0
0
0
0
0
14.1 %
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
G2 41.2
39.4
-
G12 43.4
42.9
-
G18 42.0
44.7
49.1
G25 50.8
51.1
55.9
G26 41.6
44.7
48.9
G29 54.3
54.7
-
G31 51.4
49.8
-
G32 45.3
46.1
49.1
Average GPS: 46.3
46.7
50.7

SV GLONASS G1 G2
R7 41.5
42.2
R8 40.7
41.3
R9 53.3
51.5
R10 43.2
-
R16 45.8
42.7
R18 46.4
44.9
R19 42.5
48.4
R20 38.2
47.0
Average GLONASS: 44.0
45.4

SV Galileo E1 E5a E5b E5a+b
E1 42.4
45.6
45.7
48.8
E5 44.6
47.5
47.4
50.6
E9 43.4
45.9
46.0
49.0
E12 45.8
47.4
48.1
50.9
E24 52.2
53.6
53.8
56.8
E26 42.1
45.6
45.4
48.6
E31 54.0
55.2
55.4
58.4
E33 51.1
53.1
53.1
56.2
Average Galileo: 47.0
49.2
49.4
52.4

SV BeiDou B1I B2I
C11 45.1
50.3
C12 49.8
55.9
C13 40.3
42.3
C24 53.3
-
C25 51.7
-
C26 41.7
-
Average BeiDou: 47.0
49.5

Code multipath by satellite > 15°: 
SV GPS Av Elev MP (L1) MP (L2) MP (L5)
G2 17.8 ° 0.31 m
0.46 m
-
G12 23.4 ° 0.26 m
0.22 m
-
G18 21.6 ° 0.14 m
0.17 m
0.29 m
G25 52.5 ° 0.07 m
0.06 m
0.08 m
G26 22.2 ° 0.29 m
0.19 m
0.26 m
G29 79.1 ° 0.03 m
0.03 m
-
G31 49.7 ° 0.09 m
0.07 m
-
G32 28.6 ° 0.12 m
0.09 m
0.17 m
Average GPS: - 0.16 m
0.16 m
0.20 m

SV GLONASS Av Elev MP (G1) MP (G2)
R7 17.4 ° 0.38 m
0.47 m
R8 15.5 ° 0.66 m
0.48 m
R9 60.0 ° 0.07 m
0.11 m
R10 - - -
R16 41.3 ° 0.09 m
0.17 m
R18 31.2 ° 0.12 m
0.18 m
R19 63.0 ° 0.08 m
0.07 m
R20 36.9 ° 0.16 m
0.15 m
Average GLONASS: - 0.22 m
0.23 m

SV Galileo Av Elev MP (E1) MP (E5a) MP (E5b) MP (E5a+b)
E1 18.5 ° 0.27 m
0.34 m
0.33 m
0.10 m
E5 23.8 ° 0.21 m
0.29 m
0.26 m
0.09 m
E9 22.6 ° 0.15 m
0.24 m
0.19 m
0.14 m
E12 36.7 ° 0.08 m
0.14 m
0.10 m
0.08 m
E24 50.0 ° 0.07 m
0.12 m
0.14 m
0.04 m
E26 18.3 ° 0.30 m
0.43 m
0.44 m
0.06 m
E31 61.6 ° 0.04 m
0.09 m
0.10 m
0.03 m
E33 45.1 ° 0.07 m
0.13 m
0.11 m
0.02 m
Average Galileo: - 0.15 m
0.22 m
0.21 m
0.07 m

SV BeiDou Av Elev MP (B1I) MP (B2I)
C11 36.0 ° 0.10 m
0.12 m
C12 68.3 ° 0.16 m
0.06 m
C13 22.6 ° 0.33 m
0.27 m
C24 61.8 ° 0.04 m
-
C25 53.2 ° 0.14 m
-
C26 20.1 ° 0.24 m
-
Average BeiDou: - 0.17 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 0.03 m
0.03 m
- - - - -
80 - 85 0.03 m
0.03 m
- - - - -
75 - 80 0.03 m
0.02 m
- - - - -
70 - 75 0.11 m
0.02 m
- 0.05 m
- - -
65 - 70 0.09 m
0.07 m
0.07 m
0.07 m
0.03 m
- -
60 - 65 0.07 m
0.09 m
0.09 m
0.10 m
0.03 m
- -
55 - 60 0.07 m
0.07 m
0.09 m
0.10 m
0.03 m
- -
50 - 55 0.08 m
0.08 m
0.09 m
0.11 m
0.03 m
- -
45 - 50 0.08 m
0.11 m
0.13 m
0.13 m
0.03 m
- -
40 - 45 0.10 m
0.12 m
0.09 m
0.10 m
0.04 m
- -
35 - 40 0.09 m
0.13 m
0.13 m
0.11 m
0.07 m
- -
30 - 35 0.11 m
0.13 m
0.17 m
0.13 m
0.10 m
- -
25 - 30 0.17 m
0.17 m
0.22 m
0.19 m
0.10 m
- -
20 - 25 0.24 m
0.22 m
0.32 m
0.29 m
0.12 m
- -
15 - 20 0.32 m
0.34 m
0.30 m
0.29 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 2021/08/16 03:59:59.00

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 7.5.2.8679