Leica SpiderQC v7.5 Quality Report


Program Run: 2021/04/24 10:02:51.83

File Details:


Observation File: pozo114j.21o
GPS Navigation File: pozo114j.21n
GLONASS Navigation File: pozo114j.21g
Galileo Navigation File: pozo114j.21l
BeiDou Navigation File: pozo114j.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:  -2.7 m dX  -3.2 m dY  0.1 m dZ 
Diff. Est-Header:  4.2 m (3600 estimates) 

Session Summary:


Time of first obs:  2021/04/24 09:00:00.00 GPS 
Time of last obs:  2021/04/24 09:59:59.00 GPS 
Session length:  59.98 minutes 
GPS week:  2154, day 6 
Observation interval:  1.00 seconds 
UTC leap seconds:  18 seconds 

Num SVs with obs:  40 
Num SVs with nav:  102 
Total GPS orbits:  33 
Total GLONASS orbits:  42 
Total Galileo orbits:  128 
Total BeiDou orbits:  32 
Total QZSS orbits: 
Total NavIC orbits: 
SVs with obs:  G2 G6 G10 G12 G15 G19 G23 G24 G25 G29 G31 G32 R3 R4 R5 R13 R14 R15 R17 R23 R24 E2 E3 E5 E8 E9 E11 E12 E24 E25 E31 E33 C5 C12 C13 C19 C20 C23 C25 C28  
SVs without obs:  G1 G3 G4 G5 G7 G8 G9 G11 G13 G14 G16 G17 G18 G20 G21 G22 G26 G27 G28 G30 R1 R2 R6 R7 R8 R9 R10 R11 R12 R16 R18 R19 R20 R21 R22 E1 E4 E6 E7 E10 E13 E14 E15 E16 E17 E18 E19 E20 E21 E22 E23 E26 E27 E28 E29 E30 E32 E34 E35 E36 C1 C2 C3 C4 C6 C7 C8 C9 C10 C11 C14 C15 C16 C17 C18 C21 C22 C24 C26 C27 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 1 slips, Threshold 43 slips 
Multipath:  Pass  Value 0.15m MP1 / 0.13m MP2 / 0.13m 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 165 slips 
Multipath:  Pass  Value 0.16m MP1 / 0.20m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 90.0 % 
Navigation Data:  Pass   
     
Galileo Specific Tests 
Cycle Slips:  Pass  Value 11 slips, Threshold 119 slips 
Multipath:  Pass  Value 0.14m MP1 / 0.18m MP5a / 0.22m MP5b / 0.06m MP5a+b, Threshold 0.5 m 
Data Completeness:  Pass  Value 91.5 %, Threshold 90.0 % 
Navigation Data:  Pass   
     
BeiDou Specific Tests 
Cycle Slips:  Pass  Value 0 slips, Threshold 86 slips 
Multipath:  Fail  Value 0.54m MP1 / 0.14m MP2b, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 90.0 % 
Navigation Data:  Fail   

General Quality Indicators:


Tracking   
Num obs > 0°:  121866 
Num possible obs > 0°:  129233 
Num obs with invalid nav: 
Num obs without nav:  64 
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°:  2183  (60.6 %) 
Epochs with full data > 15°:  2177  (60.5 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.6  3.0  2.8 
GDOP  3.2  3.6  3.5 

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 
E12  12.400  1 / 745  20.61° / 23.57°  102.24° / 98.12° 
E12  6.883  2704 / 3117  29.83° / 30.53°  85.74° / 83.66° 
E11  11.183  2704 / 3375  20.55° / 24.40°  143.37° / 141.16° 
Total:  30.467 (1827 observations) 

Receiver Clock 
Clock Slips > 15°: 
Max RX clock offset:  0.000018 ms (at 2021/04/24 09:01:58.00) 
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°:  121866  34500  31222  33166  22978 
Num possible obs > 0°:  129233  34768  31225  38629  24611 
Num obs with invalid nav: 
Num obs without nav:  64  64 
Num obs to unhealthy SV: 
               
Tracking over Elevation Mask (15°) 
Num obs > 15°:  82980  21325  27419  19850  14386 
% obs > 15°:   97.8 %  100.0 %  100.0 %  91.6 %  100.0 % 
Num possible obs > 15°:  84811  21325  27419  21681  14386 
Num complete obs > 15°:  82972  21325  27419  19842  14386 
% complete obs > 15°:   97.8 %  100.0 %  100.0 %  91.5 %  100.0 % 
Num obs with WLF change:  
Average # SV per Epoch:  23.0   5.9   7.6   5.5   4.0  
               
Observation ratio w.r.t. L1/E1/B1I: 
Obs L2/B1C:  1.792   1.863   1.737  
Obs E5b/B2I:  0.585   1.000   0.013  
Obs L5/E5a/B2a:  0.744   0.506   1.000  
Obs E5a+b/B2a+b:  1.000   1.000  
Obs L6/E6/B3I/G2a: 
Obs G3: 

Cycle Slips               
Num cycle slips > 15°:  12  11 
% slips per complete obs:  0.014 %  0.005 %  0.055 % 
Num complete obs per slip:  6914   21325   1803  
IOD Slips > 15°: 
Outliers > 15°: 
LLI : Obs L1/E1/B1I:  0.0001   0.0003  
LLI : Obs L2/B1C: 
LLI : Obs E5b/B2I:  0.0001   0.0002  
LLI : Obs L5/E5a/B2a:  0.0001   0.0002  
LLI : Obs E5a+b/B2a+b:  0.0002   0.0002  
LLI : Obs L6/E6/B3I/G2a: 
LLI : Obs G3: 

Multipath               
MP (L1/E1/B1I) RMS:  0.220 m  0.146 m  0.163 m  0.142 m  0.538 m 
MP (L2/B1C) RMS:  0.167 m  0.126 m  0.202 m 
MP (L5/E5a/B2a) RMS:  0.163 m  0.128 m  0.176 m 
MP (E5b/B2I) RMS:  0.215 m  0.224 m  0.143 m 
MP (E5a+b/B2a+b) RMS:  0.060 m  0.060 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 86.9 %
86.9 %
86.9 %
86.9 %
L2P 86.9 %
86.9 %
86.9 %
86.9 %
L2S 86.3 %
86.3 %
86.3 %
86.3 %
L2W 100.0 %
100.0 %
100.0 %
100.0 %
L5Q 74.4 %
74.4 %
74.4 %
74.4 %
L7I 1.3 %
1.3 %
1.3 %
1.3 %
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
G2 15.00° 21.82° 2923 2923 (100.0 %)
0 (0.0 %) 0
G12 44.93° 68.65° 3600 3600 (100.0 %)
0 (0.0 %) 0
G24 26.63° 48.15° 3600 3600 (100.0 %)
0 (0.0 %) 1
G25 58.57° 69.95° 3600 3600 (100.0 %)
0 (0.0 %) 0
G29 20.56° 49.51° 3600 3600 (100.0 %)
0 (0.0 %) 0
G31 15.00° 17.49° 402 402 (100.0 %)
0 (0.0 %) 0
G32 40.41° 49.23° 3600 3600 (100.0 %)
0 (0.0 %) 0

SV GLONASS Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
R3 15.01° 18.74° 455 455 (100.0 %)
0 (0.0 %) 0
R4 19.62° 44.32° 3600 3600 (100.0 %)
0 (0.0 %) 0
R5 27.08° 32.15° 3600 3600 (100.0 %)
0 (0.0 %) 0
R13 15.33° 32.64° 3600 3600 (100.0 %)
0 (0.0 %) 0
R14 54.43° 56.17° 3600 3600 (100.0 %)
0 (0.0 %) 0
R15 20.03° 37.89° 3600 3600 (100.0 %)
0 (0.0 %) 0
R17 15.01° 30.24° 1764 1764 (100.0 %)
0 (0.0 %) 0
R23 29.40° 37.13° 3600 3600 (100.0 %)
0 (0.0 %) 0
R24 29.62° 49.79° 3600 3600 (100.0 %)
0 (0.0 %) 0

SV Galileo Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
E3 36.91° 40.51° 3600 3600 (100.0 %)
0 (0.0 %) 0
E5 31.39° 53.10° 3600 3600 (100.0 %)
0 (0.0 %) 2
E9 15.01° 18.73° 624 624 (100.0 %)
0 (0.0 %) 0
E11 15.00° 25.70° 1892 1220 (64.5 %)
0 (0.0 %) 5
E12 23.57° 31.66° 3600 2441 (67.8 %)
0 (0.0 %) 4
E24 49.45° 63.88° 3600 3600 (100.0 %)
0 (0.0 %) 0
E25 45.83° 57.81° 3600 3600 (100.0 %)
0 (0.0 %) 0
E31 15.00° 19.70° 1165 1165 (100.0 %)
0 (0.0 %) 0

SV BeiDou Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
C13 15.00° 15.44° 186 186 (100.0 %)
0 (0.0 %) 0
C19 - - 0 0 (-)
64 (-) 0
C20 16.72° 19.16° 3600 3600 (100.0 %)
0 (0.0 %) 0
C23 67.40° 70.27° 3600 3600 (100.0 %)
0 (0.0 %) 0
C25 22.42° 38.81° 3600 3600 (100.0 %)
0 (0.0 %) 0
C28 15.00° 38.44° 3400 3400 (100.0 %)
0 (0.0 %) 0

Missing phase observations by satellite > 15°: 
SV GPS Observations Missing L1C Missing L2S Missing L2W Missing L5Q
G2 3.5 %
0.0 %
100.0 %
0.0 %
100.0 %
G12 4.3 %
0.0 %
0.0 %
0.0 %
100.0 %
G24 4.3 %
0.0 %
0.0 %
0.0 %
0.0 %
G25 4.3 %
0.0 %
0.0 %
0.0 %
0.0 %
G29 4.3 %
0.0 %
0.0 %
0.0 %
100.0 %
G31 0.5 %
0.0 %
0.0 %
0.0 %
100.0 %
G32 4.3 %
0.0 %
0.0 %
0.0 %
0.0 %

SV GLONASS Observations Missing L1C Missing L2C Missing L2P
R3 0.5 %
0.0 %
0.0 %
0.0 %
R4 4.3 %
0.0 %
0.0 %
0.0 %
R5 4.3 %
0.0 %
0.0 %
0.0 %
R13 4.3 %
0.0 %
0.0 %
0.0 %
R14 4.3 %
0.0 %
0.0 %
0.0 %
R15 4.3 %
0.0 %
0.0 %
0.0 %
R17 2.1 %
0.0 %
0.0 %
0.0 %
R23 4.3 %
0.0 %
100.0 %
100.0 %
R24 4.3 %
0.0 %
0.0 %
0.0 %

SV Galileo Observations Missing L1C Missing L5Q Missing L7Q Missing L8Q
E3 4.3 %
0.0 %
0.0 %
0.0 %
0.0 %
E5 4.3 %
0.0 %
0.0 %
0.0 %
0.0 %
E9 0.8 %
0.0 %
0.0 %
0.0 %
0.0 %
E11 1.5 %
0.2 %
0.2 %
0.2 %
0.2 %
E12 2.9 %
0.0 %
0.2 %
0.2 %
0.2 %
E24 4.3 %
0.0 %
0.0 %
0.0 %
0.0 %
E25 4.3 %
0.0 %
0.0 %
0.0 %
0.0 %
E31 1.4 %
0.0 %
0.0 %
0.0 %
0.0 %

SV BeiDou Observations Missing L2I Missing L7I
C13 0.2 %
0.0 %
0.0 %
C20 4.3 %
0.0 %
100.0 %
C23 4.3 %
0.0 %
100.0 %
C25 4.3 %
0.0 %
100.0 %
C28 4.1 %
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 %
G24 0.0 %
0.0 %
0.0 %
0.0 %
G25 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
R3 0.0 %
0.0 %
0.0 %
R4 0.0 %
0.0 %
0.0 %
R5 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 %
R17 0.0 %
0.0 %
0.0 %
R23 0.0 %
100.0 %
100.0 %
R24 0.0 %
0.0 %
0.0 %

SV Galileo Missing C1C Missing C5Q Missing C7Q Missing C8Q
E3 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 %
E11 0.2 %
0.2 %
0.2 %
0.2 %
E12 0.0 %
0.2 %
0.2 %
0.2 %
E24 0.0 %
0.0 %
0.0 %
0.0 %
E25 0.0 %
0.0 %
0.0 %
0.0 %
E31 0.0 %
0.0 %
0.0 %
0.0 %

SV BeiDou Missing C2I Missing C7I
C13 0.0 %
0.0 %
C20 0.0 %
100.0 %
C23 0.0 %
100.0 %
C25 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
0.0 %
75 - 80 0
0
0
0
0
0
0.0 %
70 - 75 0
0
0
0
0
0
1.5 %
65 - 70 0
0
0
0
0
0
6.2 %
60 - 65 0
0
0
0
0
0
3.3 %
55 - 60 0
0
0
0
0
0
7.6 %
50 - 55 0
0
0
0
0
0
5.5 %
45 - 50 0
0
0
0
0
0
9.5 %
40 - 45 0
0
2
0
0
0
8.1 %
35 - 40 0
0
0
0
0
0
11.7 %
30 - 35 1
0
2
0
0
0
13.6 %
25 - 30 0
0
0
0
0
0
10.8 %
20 - 25 0
0
4
0
0
0
8.4 %
15 - 20 0
0
3
0
0
0
13.8 %
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 42.0
40.9
-
G12 52.2
51.5
-
G24 46.8
49.9
53.1
G25 53.1
54.0
57.3
G29 47.1
46.9
-
G31 40.7
41.7
-
G32 51.9
52.0
53.9
Average GPS: 47.7
48.1
54.8

SV GLONASS G1 G2
R3 42.1
42.3
R4 46.4
46.0
R5 48.7
45.6
R13 35.3
39.3
R14 53.4
50.0
R15 47.7
45.5
R17 44.3
43.4
R23 48.7
-
R24 50.9
47.1
Average GLONASS: 46.4
44.9

SV Galileo E1 E5a E5b E5a+b
E3 49.8
51.4
52.0
54.5
E5 50.1
52.2
52.8
55.3
E9 41.7
44.8
45.6
47.9
E11 39.1
41.9
41.7
44.7
E12 42.3
45.6
45.5
48.4
E24 53.5
54.6
55.2
57.6
E25 52.5
53.9
54.5
57.0
E31 41.9
44.8
45.1
47.7
Average Galileo: 46.4
48.6
49.1
51.6

SV BeiDou B1I B2I
C13 37.6
40.5
C20 42.1
-
C23 53.7
-
C25 45.6
-
C28 44.4
-
Average BeiDou: 44.7
40.5

Code multipath by satellite > 15°: 
SV GPS Av Elev MP (L1) MP (L2) MP (L5)
G2 18.4 ° 0.44 m
0.46 m
-
G12 56.8 ° 0.05 m
0.07 m
-
G24 37.4 ° 0.11 m
0.08 m
0.13 m
G25 64.3 ° 0.05 m
0.04 m
0.09 m
G29 35.0 ° 0.08 m
0.08 m
-
G31 16.2 ° 0.20 m
0.08 m
-
G32 44.8 ° 0.09 m
0.07 m
0.16 m
Average GPS: - 0.15 m
0.13 m
0.13 m

SV GLONASS Av Elev MP (G1) MP (G2)
R3 16.9 ° 0.10 m
0.08 m
R4 32.0 ° 0.13 m
0.16 m
R5 29.6 ° 0.19 m
0.29 m
R13 24.0 ° 0.31 m
0.32 m
R14 55.3 ° 0.07 m
0.14 m
R15 29.0 ° 0.25 m
0.25 m
R17 22.6 ° 0.15 m
0.25 m
R23 - - -
R24 39.7 ° 0.10 m
0.13 m
Average GLONASS: - 0.16 m
0.20 m

SV Galileo Av Elev MP (E1) MP (E5a) MP (E5b) MP (E5a+b)
E3 38.7 ° 0.10 m
0.16 m
0.21 m
0.05 m
E5 42.2 ° 0.06 m
0.09 m
0.08 m
0.06 m
E9 16.9 ° 0.15 m
0.16 m
0.19 m
0.11 m
E11 20.4 ° 0.19 m
0.18 m
0.23 m
0.08 m
E12 27.6 ° 0.26 m
0.34 m
0.34 m
0.07 m
E24 56.7 ° 0.04 m
0.11 m
0.17 m
0.03 m
E25 51.8 ° 0.06 m
0.10 m
0.13 m
0.03 m
E31 17.4 ° 0.28 m
0.27 m
0.45 m
0.05 m
Average Galileo: - 0.14 m
0.18 m
0.22 m
0.06 m

SV BeiDou Av Elev MP (B1I) MP (B2I)
C13 15.2 ° 0.10 m
0.14 m
C20 17.9 ° 0.48 m
-
C23 68.8 ° 0.25 m
-
C25 30.6 ° 0.98 m
-
C28 26.7 ° 0.89 m
-
Average BeiDou: - 0.54 m
0.14 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 - - - - - - -
75 - 80 - - - - - - -
70 - 75 0.16 m
- - - - - -
65 - 70 0.16 m
0.05 m
0.08 m
- - - -
60 - 65 0.04 m
0.05 m
0.10 m
0.16 m
0.05 m
- -
55 - 60 0.05 m
0.13 m
0.10 m
0.15 m
0.02 m
- -
50 - 55 0.06 m
0.06 m
0.10 m
0.14 m
0.04 m
- -
45 - 50 0.07 m
0.08 m
0.13 m
0.11 m
0.03 m
- -
40 - 45 0.08 m
0.11 m
0.13 m
0.16 m
0.06 m
- -
35 - 40 0.32 m
0.12 m
0.15 m
0.18 m
0.06 m
- -
30 - 35 0.27 m
0.20 m
0.16 m
0.19 m
0.05 m
- -
25 - 30 0.29 m
0.24 m
0.30 m
0.34 m
0.06 m
- -
20 - 25 0.41 m
0.33 m
0.32 m
0.28 m
0.12 m
- -
15 - 20 0.44 m
0.29 m
0.22 m
0.31 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 C19 starting 2021/04/24 09:46:22.00.
- Updated header information or comments after epoch 2021/04/24 09:59:59.00

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