Leica SpiderQC v7.5 Quality Report


Program Run: 2021/09/06 09:03:31.80

File Details:


Observation File: pozo249i.21o
GPS Navigation File: pozo249i.21n
GLONASS Navigation File: pozo249i.21g
Galileo Navigation File: pozo249i.21l
BeiDou Navigation File: pozo249i.21f
Quality Testing:  Fail (See below for details) 

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:  -1178.6 m dX  802.6 m dY  -3381.2 m dZ 
Diff. Est-Header:  3669.6 m (3600 estimates) 

Session Summary:


Time of first obs:  2021/09/06 08:00:00.00 GPS 
Time of last obs:  2021/09/06 08:59:59.00 GPS 
Session length:  59.98 minutes 
GPS week:  2174, day 1 
Observation interval:  1.00 seconds 
UTC leap seconds:  18 seconds 

Num SVs with obs:  39 
Num SVs with nav:  102 
Total GPS orbits:  47 
Total GLONASS orbits:  43 
Total Galileo orbits:  106 
Total BeiDou orbits:  29 
Total QZSS orbits: 
Total NavIC orbits: 
SVs with obs:  G1 G3 G7 G8 G10 G14 G16 G21 G22 G23 G26 G27 G30 G32 R2 R3 R4 R5 R9 R10 R16 R18 R19 R20 E1 E7 E12 E19 E24 E25 E26 E31 E33 C5 C11 C14 C23 C27 C28  
SVs without obs:  G2 G4 G5 G6 G9 G11 G12 G13 G15 G17 G18 G19 G20 G24 G25 G28 G29 G31 R1 R6 R7 R8 R11 R12 R13 R14 R15 R17 R21 R22 R23 R24 E2 E3 E4 E5 E6 E8 E9 E10 E11 E13 E14 E15 E16 E17 E18 E20 E21 E22 E23 E27 E28 E29 E30 E32 E34 E35 E36 C1 C2 C3 C4 C6 C7 C8 C9 C10 C12 C13 C15 C16 C17 C18 C19 C20 C21 C22 C24 C25 C26 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 57 slips 
Multipath:  Pass  Value 0.10m MP1 / 0.10m MP2 / 0.18m MP5, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 95.0 % 
Navigation Data:  Pass   
     
GLONASS Specific Tests 
Cycle Slips:  Pass  Value 2 slips, Threshold 150 slips 
Multipath:  Pass  Value 0.16m MP1 / 0.21m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 94.8 %, Threshold 90.0 % 
Navigation Data:  Pass   
     
Galileo Specific Tests 
Cycle Slips:  Pass  Value 3 slips, Threshold 109 slips 
Multipath:  Pass  Value 0.11m MP1 / 0.18m MP5a / 0.17m MP5b / 0.07m MP5a+b, Threshold 0.5 m 
Data Completeness:  Pass  Value 91.8 %, Threshold 90.0 % 
Navigation Data:  Pass   
     
BeiDou Specific Tests 
Cycle Slips:  Pass  Value 0 slips, Threshold 65 slips 
Multipath:  Pass  Value 0.19m MP1 / 0.15m MP2b, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 90.0 % 
Navigation Data:  Fail   

General Quality Indicators:


Tracking   
Num obs > 0°:  118235 
Num possible obs > 0°:  120970 
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°:  621  (17.3 %) 
Epochs with full data > 15°:  619  (17.2 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.4  2.5  2.5 
GDOP  3.0  3.1  3.0 

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  22.600  1 / 1357  25.99° / 31.54°  291.53° / 301.94° 
E19  27.200  1347 / 2979  15.00° / 23.87°  147.55° / 142.27° 
Total:  49.800 (2987 observations) 

Receiver Clock 
Clock Slips > 15°: 
Max RX clock offset:  0.065430 ms (at 2021/09/06 08:00:00.00) 
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°:  118235  42182  29669  27330  19054 
Num possible obs > 0°:  120970  43349  31195  30954  15472 
Num obs with invalid nav: 
Num obs without nav:  3600  3600 
Num obs to unhealthy SV: 
               
Tracking over Elevation Mask (15°) 
Num obs > 15°:  82453  28421  24989  18243  10800 
% obs > 15°:   96.5 %  100.0 %  94.8 %  91.8 %  100.0 % 
Num possible obs > 15°:  85443  28421  26346  19876  10800 
Num complete obs > 15°:  82451  28421  24989  18241  10800 
% complete obs > 15°:   96.5 %  100.0 %  94.8 %  91.8 %  100.0 % 
Num obs with WLF change:  
Average # SV per Epoch:  22.9   7.9   6.9   5.1   3.0  
               
Observation ratio w.r.t. L1/E1/B1I: 
Obs L2/B1C:  1.675   1.642   1.712  
Obs E5b/B2I:  0.752   1.000   0.333  
Obs L5/E5a/B2a:  0.782   0.642   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:  0.008 %  0.007 %  0.008 %  0.016 % 
Num complete obs per slip:  11778   14210   12494   6080  
IOD Slips > 15°: 
Outliers > 15°: 
LLI : Obs L1/E1/B1I:  0.0000   0.0000   0.0001  
LLI : Obs L2/B1C:  0.0000   0.0000  
LLI : Obs E5b/B2I:  0.0000   0.0001  
LLI : Obs L5/E5a/B2a:  0.0000   0.0001  
LLI : Obs E5a+b/B2a+b:  0.0001   0.0001  
LLI : Obs L6/E6/B3I/G2a: 
LLI : Obs G3: 

Multipath               
MP (L1/E1/B1I) RMS:  0.132 m  0.105 m  0.164 m  0.111 m  0.188 m 
MP (L2/B1C) RMS:  0.148 m  0.098 m  0.214 m 
MP (L5/E5a/B2a) RMS:  0.181 m  0.182 m  0.181 m 
MP (E5b/B2I) RMS:  0.168 m  0.171 m  0.151 m 
MP (E5a+b/B2a+b) RMS:  0.067 m  0.067 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 85.6 %
85.6 %
85.6 %
85.6 %
L2P 85.6 %
85.6 %
85.6 %
85.6 %
L2S 64.2 %
64.2 %
64.2 %
64.2 %
L2W 100.0 %
100.0 %
100.0 %
100.0 %
L5Q 78.2 %
78.2 %
78.2 %
78.2 %
L7I 33.3 %
33.3 %
33.3 %
33.3 %
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
G1 24.50° 43.73° 3600 3600 (100.0 %)
0 (0.0 %) 0
G3 15.00° 23.64° 1203 1203 (100.0 %)
0 (0.0 %) 0
G8 67.70° 81.23° 3600 3600 (100.0 %)
0 (0.0 %) 0
G10 22.88° 44.47° 3600 3600 (100.0 %)
0 (0.0 %) 2
G16 15.00° 37.22° 2975 2975 (100.0 %)
0 (0.0 %) 0
G21 49.01° 64.29° 3600 3600 (100.0 %)
0 (0.0 %) 0
G22 18.95° 46.56° 3600 3600 (100.0 %)
0 (0.0 %) 0
G27 46.68° 66.47° 3600 3600 (100.0 %)
0 (0.0 %) 0
G32 15.00° 24.17° 2643 2643 (100.0 %)
0 (0.0 %) 0

SV GLONASS Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
R3 17.48° 32.74° 3600 3600 (100.0 %)
0 (0.0 %) 0
R4 34.86° 51.65° 3600 3600 (100.0 %)
0 (0.0 %) 0
R5 15.01° 36.08° 2426 2426 (100.0 %)
0 (0.0 %) 0
R9 15.06° 39.62° 3600 3600 (100.0 %)
0 (0.0 %) 0
R10 27.37° 31.41° 3600 3600 (100.0 %)
0 (0.0 %) 0
R16 15.00° 15.07° 9 9 (100.0 %)
0 (0.0 %) 0
R18 15.00° 25.80° 2311 2311 (100.0 %)
0 (0.0 %) 0
R19 43.80° 53.14° 3600 3600 (100.0 %)
0 (0.0 %) 0
R20 32.25° 42.77° 3600 2243 (62.3 %)
0 (0.0 %) 2

SV Galileo Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
E1 15.00° 19.86° 801 801 (100.0 %)
0 (0.0 %) 0
E12 42.53° 54.63° 3600 3600 (100.0 %)
0 (0.0 %) 0
E19 23.88° 27.36° 2254 621 (27.6 %)
0 (0.0 %) 2
E24 35.62° 39.49° 3600 3600 (100.0 %)
0 (0.0 %) 0
E26 15.00° 24.53° 2421 2421 (100.0 %)
0 (0.0 %) 1
E31 32.76° 53.68° 3600 3600 (100.0 %)
0 (0.0 %) 0
E33 53.14° 65.54° 3600 3600 (100.0 %)
0 (0.0 %) 0

SV BeiDou Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
C5 - - 0 0 (-)
3600 (-) 0
C14 33.92° 41.60° 3600 3600 (100.0 %)
0 (0.0 %) 0
C27 26.69° 44.77° 3600 3600 (100.0 %)
0 (0.0 %) 0
C28 66.75° 69.47° 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
G1 4.4 %
0.0 %
0.0 %
0.0 %
0.0 %
G3 1.5 %
0.0 %
0.0 %
0.0 %
0.0 %
G8 4.4 %
0.0 %
0.0 %
0.0 %
0.0 %
G10 4.4 %
0.0 %
0.0 %
0.0 %
0.0 %
G16 3.6 %
0.0 %
100.0 %
0.0 %
100.0 %
G21 4.4 %
0.0 %
100.0 %
0.0 %
100.0 %
G22 4.4 %
0.0 %
100.0 %
0.0 %
100.0 %
G27 4.4 %
0.0 %
0.0 %
0.0 %
0.0 %
G32 3.2 %
0.0 %
0.0 %
0.0 %
0.0 %

SV GLONASS Observations Missing L1C Missing L2C Missing L2P
R3 4.4 %
0.0 %
0.0 %
0.0 %
R4 4.4 %
0.0 %
0.0 %
0.0 %
R5 2.9 %
0.0 %
0.0 %
0.0 %
R9 4.4 %
0.0 %
0.0 %
0.0 %
R10 4.4 %
0.0 %
100.0 %
100.0 %
R16 0.0 %
0.0 %
0.0 %
0.0 %
R18 2.8 %
0.0 %
0.0 %
0.0 %
R19 4.4 %
0.0 %
0.0 %
0.0 %
R20 2.7 %
0.0 %
0.2 %
0.2 %

SV Galileo Observations Missing L1C Missing L5Q Missing L7Q Missing L8Q
E1 1.0 %
0.0 %
0.0 %
0.0 %
0.0 %
E12 4.4 %
0.0 %
0.0 %
0.0 %
0.0 %
E19 0.8 %
0.0 %
0.3 %
0.3 %
0.3 %
E24 4.4 %
0.0 %
0.0 %
0.0 %
0.0 %
E26 2.9 %
0.0 %
0.0 %
0.0 %
0.0 %
E31 4.4 %
0.0 %
0.0 %
0.0 %
0.0 %
E33 4.4 %
0.0 %
0.0 %
0.0 %
0.0 %

SV BeiDou Observations Missing L2I Missing L7I
C14 4.4 %
0.0 %
0.0 %
C27 4.4 %
0.0 %
100.0 %
C28 4.4 %
0.0 %
100.0 %

Missing code observations by satellite > 15°: 
SV GPS Missing C1C Missing C2S Missing C2W Missing C5Q
G1 0.0 %
0.0 %
0.0 %
0.0 %
G3 0.0 %
0.0 %
0.0 %
0.0 %
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 %
G21 0.0 %
100.0 %
0.0 %
100.0 %
G22 0.0 %
100.0 %
0.0 %
100.0 %
G27 0.0 %
0.0 %
0.0 %
0.0 %
G32 0.0 %
0.0 %
0.0 %
0.0 %

SV GLONASS Missing C1C Missing C2C Missing C2P
R3 0.0 %
0.0 %
0.0 %
R4 0.0 %
0.0 %
0.0 %
R5 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 %
0.0 %
0.0 %

SV Galileo Missing C1C Missing C5Q Missing C7Q Missing C8Q
E1 0.0 %
0.0 %
0.0 %
0.0 %
E12 0.0 %
0.0 %
0.0 %
0.0 %
E19 0.0 %
0.3 %
0.3 %
0.3 %
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
C14 0.0 %
0.0 %
C27 0.0 %
100.0 %
C28 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
0.0 %
80 - 85 0
0
0
0
0
0
1.5 %
75 - 80 0
0
0
0
0
0
1.4 %
70 - 75 0
0
0
0
0
0
1.0 %
65 - 70 0
0
0
0
0
0
5.4 %
60 - 65 0
0
0
0
0
0
4.5 %
55 - 60 0
0
0
0
0
0
4.2 %
50 - 55 0
0
0
0
0
0
8.5 %
45 - 50 0
0
0
0
0
0
7.4 %
40 - 45 0
0
0
0
0
0
9.9 %
35 - 40 1
0
0
0
0
0
15.0 %
30 - 35 0
2
0
0
0
0
12.3 %
25 - 30 1
0
0
0
0
0
9.6 %
20 - 25 0
0
3
0
0
0
10.0 %
15 - 20 0
0
0
0
0
0
9.4 %
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
G1 46.3
47.6
52.6
G3 41.0
43.3
47.6
G8 54.3
54.3
58.1
G10 47.8
47.4
51.4
G16 43.0
40.4
-
G21 51.6
49.3
-
G22 46.0
43.7
-
G27 52.4
52.6
56.6
G32 42.9
43.4
46.4
Average GPS: 47.3
46.9
52.1

SV GLONASS G1 G2
R3 44.2
44.2
R4 50.2
48.2
R5 45.1
43.8
R9 46.1
44.8
R10 45.8
-
R16 37.8
34.6
R18 43.2
41.9
R19 39.8
46.2
R20 36.5
47.3
Average GLONASS: 43.2
43.9

SV Galileo E1 E5a E5b E5a+b
E1 41.5
45.4
46.0
48.8
E12 48.6
49.9
51.0
53.5
E19 41.1
42.0
43.3
45.7
E24 49.5
50.9
51.7
54.4
E26 42.6
45.6
46.1
48.9
E31 50.2
51.8
52.6
55.3
E33 53.6
54.8
55.7
58.3
Average Galileo: 46.7
48.6
49.5
52.1

SV BeiDou B1I B2I
C14 46.0
51.6
C27 47.8
-
C28 53.4
-
Average BeiDou: 49.1
51.6

Code multipath by satellite > 15°: 
SV GPS Av Elev MP (L1) MP (L2) MP (L5)
G1 34.1 ° 0.10 m
0.08 m
0.22 m
G3 19.3 ° 0.11 m
0.12 m
0.20 m
G8 74.5 ° 0.03 m
0.04 m
0.05 m
G10 33.7 ° 0.13 m
0.08 m
0.19 m
G16 26.1 ° 0.12 m
0.13 m
-
G21 56.6 ° 0.08 m
0.06 m
-
G22 32.8 ° 0.08 m
0.11 m
-
G27 56.6 ° 0.05 m
0.04 m
0.06 m
G32 19.6 ° 0.25 m
0.23 m
0.37 m
Average GPS: - 0.10 m
0.10 m
0.18 m

SV GLONASS Av Elev MP (G1) MP (G2)
R3 25.1 ° 0.23 m
0.26 m
R4 43.3 ° 0.10 m
0.15 m
R5 25.5 ° 0.12 m
0.17 m
R9 27.3 ° 0.13 m
0.15 m
R10 - - -
R16 - - -
R18 20.4 ° 0.23 m
0.40 m
R19 48.5 ° 0.12 m
0.18 m
R20 37.5 ° 0.21 m
0.20 m
Average GLONASS: - 0.16 m
0.21 m

SV Galileo Av Elev MP (E1) MP (E5a) MP (E5b) MP (E5a+b)
E1 17.4 ° 0.14 m
0.21 m
0.14 m
0.12 m
E12 48.6 ° 0.07 m
0.12 m
0.12 m
0.08 m
E19 25.6 ° 0.19 m
0.14 m
0.17 m
0.10 m
E24 37.6 ° 0.14 m
0.19 m
0.26 m
0.06 m
E26 19.8 ° 0.16 m
0.40 m
0.31 m
0.06 m
E31 43.2 ° 0.05 m
0.10 m
0.09 m
0.04 m
E33 59.3 ° 0.03 m
0.10 m
0.10 m
0.02 m
Average Galileo: - 0.11 m
0.18 m
0.17 m
0.07 m

SV BeiDou Av Elev MP (B1I) MP (B2I)
C14 37.8 ° 0.11 m
0.15 m
C27 35.7 ° 0.19 m
-
C28 68.1 ° 0.26 m
-
Average BeiDou: - 0.19 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 - - - - - - -
80 - 85 0.02 m
0.04 m
0.06 m
- - - -
75 - 80 0.03 m
0.04 m
0.05 m
- - - -
70 - 75 0.03 m
0.03 m
0.04 m
- - - -
65 - 70 0.22 m
0.03 m
0.05 m
0.04 m
0.05 m
- -
60 - 65 0.04 m
0.04 m
0.09 m
0.08 m
0.01 m
- -
55 - 60 0.05 m
0.05 m
0.09 m
0.13 m
0.02 m
- -
50 - 55 0.08 m
0.12 m
0.08 m
0.10 m
0.06 m
- -
45 - 50 0.09 m
0.12 m
0.09 m
0.12 m
0.04 m
- -
40 - 45 0.09 m
0.12 m
0.17 m
0.14 m
0.08 m
- -
35 - 40 0.11 m
0.11 m
0.16 m
0.20 m
0.05 m
- -
30 - 35 0.14 m
0.14 m
0.23 m
0.10 m
0.05 m
- -
25 - 30 0.18 m
0.15 m
0.22 m
0.11 m
0.10 m
- -
20 - 25 0.19 m
0.22 m
0.36 m
0.26 m
0.06 m
- -
15 - 20 0.19 m
0.24 m
0.30 m
0.28 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:


- Orbit missing or expired for SV C5 starting 2021/09/06 08:00:00.00.
- Updated header information or comments after epoch 2021/09/06 08:59:59.00
- 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 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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