Leica SpiderQC v7.1 Quality Report


Program Run: 2020/10/01 12:01:45.77

File Details:


Observation File: algc275l.20o
GPS Navigation File: algc275l.20n
GLONASS Navigation File: algc275l.20g
Galileo Navigation File: algc275l.20l
BeiDou Navigation File: algc275l.20f
Quality Testing:  Fail (See below for details) 

Station Details:


Marker Name/Number:  ALGC  13456M001   
Observer/Agency:  IECA  Junta de Andalucia   
Receiver #/Type/Vers:  1832466  LEICA GR50  4.31/7.403 
Antenna #/Type:  2110213  LEIAR20 LEIM   
Antenna Offsets (HEN):  0.000  0.000  0.000 
Approx Position (XYZ):  5135558.537  -489445.550  3738217.084 
Approx Position (plh):  36° 06' 39.86460" N  5° 26' 38.91678" W  104.402m 
Diff. Est-Header:  11.2 m dX  -11.2 m dY  5.8 m dZ 
Diff. Est-Header:  16.9 m (3189 estimates) 

Session Summary:


Time of first obs:  2020/10/01 11:06:25.00 GPS 
Time of last obs:  2020/10/01 11:59:59.00 GPS 
Session length:  53.57 minutes 
GPS week:  2125, day 4 
Observation interval:  1.00 seconds 
UTC leap seconds:  18 seconds 

Num SVs with obs:  29 
Num SVs with nav:  95 
Total GPS orbits:  41 
Total GLONASS orbits:  25 
Total Galileo orbits:  73 
Total BeiDou orbits:  24 
Total QZSS orbits: 
SVs with obs:  G1 G3 G4 G6 G9 G11 G17 G19 G21 G22 R1 R2 R3 R8 R17 R23 R24 E3 E5 E9 E15 E36 C11 C14 C21 C24 C26 C27 C28  
SVs without obs:  G2 G5 G7 G8 G10 G12 G13 G14 G15 G16 G18 G20 G23 G24 G25 G26 G27 G28 G29 G30 G31 G32 R4 R5 R6 R7 R9 R10 R11 R12 R13 R14 R15 R16 R18 R19 R20 R21 R22 E1 E2 E4 E6 E7 E8 E10 E11 E12 E13 E14 E16 E17 E18 E19 E20 E21 E22 E23 E24 E25 E26 E27 E28 E29 E30 E31 E32 E33 E34 E35 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C12 C13 C15 C16 C17 C18 C19 C20 C22 C23 C25 C29 C30 C31 C32 C33 C34 C35 C36 C37 J1 J2 J3 J4 J5 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 S21 S22 S23 S24 S25 S26 S27 S28 S29 S30 S31 S32 S33 S34 S35 S36 S37 S38 S39 S40 S41 S42 S43 S44 S45 S46 S47 S48 S49 S50 S51 S52 S53 S54 S55 S56 S57 S58 S59 S60  
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 R8 R9 R10 R11 R16 R17 R18 R19 R20 R23 R24 E1 E2 E3 E4 E5 E7 E8 E9 E11 E12 E13 E14 E15 E18 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:  R7 R12 R13 R14 R15 R21 R22 E6 E10 E16 E17 E20 E22 E23 E28 E29 E32 E34 E35 E36 C1 C2 C3 C4 C15 C17 C18 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:  Fail  Value 136 slips, Threshold 51 slips 
Multipath:  Pass  Value 0.12m MP1 / 0.14m MP2 / 0.15m MP5, Threshold 0.5 m 
Data Completeness:  Fail  Value 93.1 %, Threshold 95.0 % 
Navigation Data:  Fail   
     
GLONASS Specific Tests 
Cycle Slips:  Pass  Value 57 slips, Threshold 103 slips 
Multipath:  Pass  Value 0.13m MP1 / 0.13m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 96.0 %, Threshold 90.0 % 
Navigation Data:  Pass   
     
Galileo Specific Tests 
Cycle Slips:  Pass  Value 20 slips, Threshold 56 slips 
Multipath:  Pass  Value 0.12m MP1 / 0.15m MP5a / 0.14m MP5b / 0.04m MP5a+b, Threshold 0.5 m 
Data Completeness:  Fail  Value 72.1 %, Threshold 90.0 % 
Navigation Data:  Pass   
     
BeiDou Specific Tests 
Cycle Slips:  Pass  Value 11 slips, Threshold 59 slips 
Multipath:  Pass  Value 0.18m MP1 / 0.13m MP5b, Threshold 0.5 m 
Data Completeness:  Fail  Value 64.6 %, Threshold 90.0 % 
Navigation Data:  Fail   

General Quality Indicators:


Tracking   
Num obs > 0°:  68662 
Num possible obs > 0°:  75096 
Num obs with invalid nav: 
Num obs without nav:  2655 
Num obs to unhealthy SV: 
Num obs with WLF change: 
Num complete loss of lock: 

Epochs with < 5 SV > 15°:  10  (0.3 %) 
Epochs with all SV > 15°:  1751  (54.5 %) 
Epochs with full data > 15°:  (0.0 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.4  9.2  2.7 
GDOP  2.9  11.6  3.3 

Data Gaps 
Num epochs with data:  3215 
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 
E5  3.733  60 / 284  74.11° / 74.11°  97.32° / 97.32° 
G11  6.550  75 / 468  34.32° / 32.24°  131.80° / 133.15° 
E3  7.967  1 / 479  39.50° / 41.42°  202.62° / 203.51° 
G19  9.783  1 / 588  22.97° / 25.00°  317.87° / 316.99° 
G9  10.183  1 / 612  20.96° / 25.00°  195.76° / 196.11° 
E15  11.300  1 / 679  27.51° / 30.57°  313.70° / 315.14° 
E9  24.050  1 / 1444  28.28° / 20.92°  44.59° / 43.17° 
Total:  73.567 (4413 observations) 

Receiver Clock 
Clock Slips > 15°: 
Max RX clock offset:  0.000034 ms (at 2020/10/01 11:07:41.00) 
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 
Tracking information over 0° 
Num obs > 0°:  68662  25560  19191  12573  11338 
Num possible obs > 0°:  75096  28935  20753  12860  12548 
Num obs with invalid nav: 
Num obs without nav:  2655  2575  77 
Num obs to unhealthy SV: 
             
Tracking over Elevation Mask (15°) 
Num obs > 15°:  61671  25256  17154  9390  9871 
% obs > 15°:   92.0 %  93.5 %  96.1 %  76.6 %  99.8 % 
Num possible obs > 15°:  67003  27009  17856  12252  9886 
Num complete obs > 15°:  57494  25138  17136  8831  6389 
% complete obs > 15°:   85.8 %  93.1 %  96.0 %  72.1 %  64.6 % 
Num obs with WLF change:  
Average # SV per Epoch:  19.2   7.9   5.3   2.9   3.1  
             
Obs L2 : Obs L1  1.765   1.655   1.926  
Obs B2/E5b : Obs B1/E1  0.845   1.061   0.652  
Obs L5/E5a : Obs L1/E1  0.682   0.549   1.061  

Cycle Slips             
Num cycle slips > 15°:  224  136  57  20  11 
% slips per complete obs:  0.390 %  0.541 %  0.333 %  0.226 %  0.172 % 
Num complete obs per slip:  256   184   300   441   580  
IOD Slips > 15°:  4741  351  364  554  3472 
Outliers > 15°: 
LLI L1/B1/E1 : Obs L1/B1/E1:  0.0010   0.0012   0.0004   0.0014   0.0010  
LLI L2 : Obs L2:  0.0020   0.0024   0.0015  
LLI B2/E5b : Obs B2/E5b:  0.0006   0.0007   0.0005  
LLI L5 : Obs L5:  0.0010   0.0012   0.0007  

Multipath             
MP (L1/E1/B1) RMS:  0.127 m  0.119 m  0.126 m  0.123 m  0.175 m 
MP (L2) RMS:  0.136 m  0.140 m  0.131 m 
MP (L5/E5a) RMS:  0.151 m  0.154 m  0.146 m 
MP (E5b/B2) RMS:  0.139 m  0.142 m  0.135 m 
MP (E5a+b) RMS:  0.038 m  0.038 m 

Extended Quality Information:


Tracking by observation type > 15°: 
Type Code Phase SNR Doppler
L1C 98.8 %
98.7 %
98.8 %
98.8 %
L1I 99.9 %
99.7 %
99.9 %
99.9 %
L2C 97.0 %
94.7 %
97.0 %
97.0 %
L2P 99.1 %
97.7 %
99.1 %
99.1 %
L2S 66.9 %
66.9 %
66.9 %
66.9 %
L2W 97.9 %
97.9 %
97.9 %
97.9 %
L5Q 66.9 %
66.9 %
66.9 %
66.9 %
L7I 65.0 %
65.0 %
65.0 %
65.0 %
L7Q 99.9 %
99.9 %
99.9 %
99.9 %
L8Q 99.9 %
99.9 %
99.9 %
99.9 %

Tracking by satellite > 15°: 
SV Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
G1 38.42° 54.97° 3215 3211 (99.9 %)
0 (0.0 %) 14
G3 52.96° 70.12° 3215 3215 (100.0 %)
0 (0.0 %) 4
G4 51.11° 73.70° 3215 3198 (99.5 %)
0 (0.0 %) 10
G6 15.11° 24.56° 1590 1571 (98.8 %)
0 (0.0 %) 20
G9 25.51° 45.96° 3215 2603 (81.0 %)
0 (0.0 %) 2
G11 15.01° 34.54° 2914 2477 (85.0 %)
0 (0.0 %) 62
G17 40.88° 52.23° 3215 3174 (98.7 %)
0 (0.0 %) 8
G19 26.73° 41.19° 3215 2627 (81.7 %)
0 (0.0 %) 2
G21 - - 0 0 (-)
3 (-) 0
G22 35.61° 53.82° 3215 3180 (98.9 %)
0 (0.0 %) 14
R1 44.45° 71.66° 3215 3101 (96.5 %)
0 (0.0 %) 6
R2 36.51° 57.42° 3215 3101 (96.5 %)
0 (0.0 %) 5
R8 15.01° 27.53° 1781 1664 (93.4 %)
0 (0.0 %) 19
R17 22.77° 48.52° 3215 3086 (96.0 %)
0 (0.0 %) 19
R23 32.13° 56.62° 3215 3101 (96.5 %)
0 (0.0 %) 8
R24 73.58° 84.05° 3215 3101 (96.5 %)
0 (0.0 %) 0
E3 42.56° 59.95° 3215 2736 (85.1 %)
0 (0.0 %) 2
E5 62.57° 74.11° 3215 2955 (91.9 %)
0 (0.0 %) 3
E9 15.00° 20.92° 2607 1163 (44.6 %)
0 (0.0 %) 12
E15 30.97° 44.81° 3215 2536 (78.9 %)
0 (0.0 %) 3
E36 - - 0 0 (-)
2575 (-) 0
C11 24.96° 47.57° 3215 3202 (99.6 %)
0 (0.0 %) 5
C14 62.13° 82.92° 3215 3215 (100.0 %)
0 (0.0 %) 4
C21 - - 0 0 (-)
60 (-) 0
C24 - - 0 0 (-)
2 (-) 0
C26 - - 0 0 (-)
15 (-) 0
C27 15.01° 16.36° 241 241 (100.0 %)
0 (0.0 %) 0
C28 47.45° 64.27° 3215 3213 (99.9 %)
0 (0.0 %) 2

Missing phase observations by satellite > 15°: 
SV Observations Missing L1C Missing L1I Missing L2C Missing L2P Missing L2S Missing L2W Missing L5Q Missing L7I Missing L7Q Missing L8Q
G1 5.2 %
1.2 %
- - - 1.0 %
1.5 %
0.1 %
- - -
G3 5.2 %
0.5 %
- - - 0.4 %
0.6 %
0.0 %
- - -
G4 5.2 %
0.7 %
- - - 0.6 %
1.7 %
0.0 %
- - -
G6 2.5 %
1.7 %
- - - 0.6 %
5.0 %
0.1 %
- - -
G9 4.2 %
0.0 %
- - - 0.1 %
0.2 %
0.1 %
- - -
G11 4.0 %
0.3 %
- - - 100.0 %
11.1 %
100.0 %
- - -
G17 5.1 %
0.1 %
- - - 0.1 %
0.4 %
100.0 %
- - -
G19 4.3 %
0.0 %
- - - 100.0 %
0.3 %
100.0 %
- - -
G22 5.2 %
0.1 %
- - - 100.0 %
1.3 %
100.0 %
- - -
R1 5.0 %
0.0 %
- 2.5 %
1.0 %
- - - - - -
R2 5.0 %
0.0 %
- 2.2 %
1.4 %
- - - - - -
R8 2.7 %
0.2 %
- 21.2 %
8.7 %
- - - - - -
R17 5.0 %
0.5 %
- 7.1 %
2.9 %
- - - - - -
R23 5.0 %
0.0 %
- 6.2 %
2.5 %
- - - - - -
R24 5.0 %
0.0 %
- 0.2 %
0.0 %
- - - - - -
E3 4.4 %
0.0 %
- - - - - 0.1 %
- 0.1 %
0.1 %
E5 4.8 %
0.0 %
- - - - - 0.1 %
- 0.1 %
0.1 %
E9 1.9 %
47.4 %
- - - - - 0.3 %
- 0.3 %
0.2 %
E15 4.1 %
0.0 %
- - - - - 0.1 %
- 0.1 %
0.1 %
C11 5.2 %
- 0.5 %
- - - - - 0.2 %
- -
C14 5.2 %
- 0.3 %
- - - - - 0.0 %
- -
C27 0.4 %
- 0.0 %
- - - - - 100.0 %
- -
C28 5.2 %
- 0.1 %
- - - - - 100.0 %
- -

Missing code observations by satellite > 15°: 
SV Missing C1C Missing C1I Missing C2C Missing C2P Missing C2S Missing C2W Missing C5Q Missing C7I Missing C7Q Missing C8Q
G1 0.8 %
- - - 1.0 %
1.2 %
0.1 %
- - -
G3 0.4 %
- - - 0.4 %
0.6 %
0.0 %
- - -
G4 0.6 %
- - - 0.6 %
1.7 %
0.0 %
- - -
G6 0.4 %
- - - 0.6 %
4.6 %
0.1 %
- - -
G9 0.0 %
- - - 0.1 %
0.2 %
0.1 %
- - -
G11 0.0 %
- - - 100.0 %
10.9 %
100.0 %
- - -
G17 0.0 %
- - - 0.1 %
0.3 %
100.0 %
- - -
G19 0.0 %
- - - 100.0 %
0.3 %
100.0 %
- - -
G22 0.0 %
- - - 100.0 %
1.2 %
100.0 %
- - -
R1 0.0 %
- 1.2 %
0.5 %
- - - - - -
R2 0.0 %
- 1.5 %
0.6 %
- - - - - -
R8 0.0 %
- 13.2 %
3.2 %
- - - - - -
R17 0.0 %
- 4.0 %
1.2 %
- - - - - -
R23 0.0 %
- 3.1 %
1.1 %
- - - - - -
R24 0.0 %
- 0.1 %
0.0 %
- - - - - -
E3 0.0 %
- - - - - 0.1 %
- 0.1 %
0.1 %
E5 0.0 %
- - - - - 0.1 %
- 0.1 %
0.1 %
E9 47.4 %
- - - - - 0.3 %
- 0.3 %
0.2 %
E15 0.0 %
- - - - - 0.1 %
- 0.1 %
0.1 %
C11 - 0.2 %
- - - - - 0.1 %
- -
C14 - 0.1 %
- - - - - 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 Observations
85 - 90 0
0
0
0
0
0.0 %
80 - 85 0
0
0
4
0
3.4 %
75 - 80 0
0
0
0
0
3.1 %
70 - 75 1
6
3
0
0
5.6 %
65 - 70 3
0
0
0
0
6.6 %
60 - 65 0
0
0
0
0
6.6 %
55 - 60 0
6
0
0
0
7.3 %
50 - 55 38
2
0
0
0
11.9 %
45 - 50 0
0
0
6
0
11.5 %
40 - 45 8
0
2
0
0
11.9 %
35 - 40 0
5
1
0
0
9.7 %
30 - 35 11
0
2
0
0
6.8 %
25 - 30 4
17
0
1
0
5.7 %
20 - 25 5
21
2
0
0
4.2 %
15 - 20 66
0
10
0
0
5.7 %
10 - 15 0
0
0
0
0
0.0 %
5 - 10 0
0
0
0
0
0.0 %
0 - 5 0
0
0
0
0
0.0 %

Signal to Noise Ratio by satellite > 15°: 
SV L1/E1/B1 L2 L5/E5a E5b/B2 E5a+b
G1 41.9
43.2
47.2
- -
G3 45.0
45.6
49.4
- -
G4 44.0
46.9
49.4
- -
G6 34.5
38.0
41.9
- -
G9 40.9
42.5
45.7
- -
G11 36.3
33.4
- - -
G17 42.9
41.8
- - -
G19 40.7
39.0
- - -
G22 41.9
39.3
- - -
R1 44.8
34.5
- - -
R2 47.6
38.5
- - -
R8 37.2
31.6
- - -
R17 43.4
36.8
- - -
R23 46.0
32.8
- - -
R24 49.0
40.9
- - -
E3 46.3
- 47.2
48.0
50.3
E5 47.9
- 48.7
49.6
51.8
E9 37.5
- 38.4
38.8
41.3
E15 42.8
- 44.7
45.2
47.6
C11 40.5
- - 42.7
-
C14 46.6
- - 47.8
-
C27 36.4
- - - -
C28 47.2
- - - -
Average GPS: 40.9
41.1
46.7
- -
Average GLONASS: 44.7
35.9
- - -
Average Galileo: 43.6
- 44.7
45.4
47.8
Average BeiDou: 42.7
- - 45.3
-
Average QZSS: - - - - -
Average All: 42.7
39.0
45.8
45.4
47.8

Code multipath by satellite > 15°: 
SV Av Elev MP (L1/E1/B1) MP (L2) MP (L5/E5a) MP (E5b/B2) MP (E5a+b)
G1 46.7 ° 0.12 m
0.09 m
0.12 m
- -
G3 61.5 ° 0.08 m
0.06 m
0.08 m
- -
G4 62.4 ° 0.08 m
0.09 m
0.11 m
- -
G6 19.8 ° 0.16 m
0.13 m
0.34 m
- -
G9 35.7 ° 0.11 m
0.10 m
0.13 m
- -
G11 24.8 ° 0.21 m
0.38 m
- - -
G17 46.6 ° 0.08 m
0.08 m
- - -
G19 34.0 ° 0.13 m
0.18 m
- - -
G22 44.7 ° 0.11 m
0.14 m
- - -
R1 58.1 ° 0.07 m
0.09 m
- - -
R2 47.0 ° 0.08 m
0.09 m
- - -
R8 21.3 ° 0.21 m
0.23 m
- - -
R17 35.6 ° 0.18 m
0.16 m
- - -
R23 44.4 ° 0.12 m
0.14 m
- - -
R24 78.8 ° 0.10 m
0.07 m
- - -
E3 51.3 ° 0.07 m
- 0.08 m
0.10 m
0.05 m
E5 68.3 ° 0.04 m
- 0.10 m
0.08 m
0.02 m
E9 18.0 ° 0.30 m
- 0.24 m
0.23 m
0.04 m
E15 37.9 ° 0.09 m
- 0.16 m
0.16 m
0.04 m
C11 36.3 ° 0.16 m
- - 0.17 m
-
C14 72.5 ° 0.19 m
- - 0.10 m
-
C27 - - - - - -
C28 - - - - - -
Average GPS: - 0.12 m
0.14 m
0.15 m
- -
Average GLONASS: - 0.13 m
0.13 m
- - -
Average Galileo: - 0.12 m
- 0.15 m
0.14 m
0.04 m
Average BeiDou: - 0.18 m
- - 0.13 m
-
Average QZSS: - - - - - -
Average All: - 0.13 m
0.14 m
0.15 m
0.14 m
0.04 m

Code multipath by satellite elevation > 15°: 
Elevation MP (L1/E1/B1) MP (L2) MP (L5/E5a) MP (E5b/B2) MP (E5a+b)
85 - 90 - - - - -
80 - 85 0.09 m
0.06 m
- 0.15 m
-
75 - 80 0.13 m
0.07 m
- 0.12 m
-
70 - 75 0.09 m
0.11 m
0.13 m
0.08 m
0.03 m
65 - 70 0.09 m
0.07 m
0.08 m
0.06 m
0.01 m
60 - 65 0.08 m
0.07 m
0.08 m
0.12 m
0.02 m
55 - 60 0.07 m
0.08 m
0.10 m
0.10 m
0.04 m
50 - 55 0.10 m
0.12 m
0.11 m
0.08 m
0.04 m
45 - 50 0.10 m
0.08 m
0.09 m
0.14 m
0.05 m
40 - 45 0.11 m
0.11 m
0.12 m
0.11 m
0.04 m
35 - 40 0.11 m
0.14 m
0.14 m
0.19 m
0.05 m
30 - 35 0.14 m
0.19 m
0.17 m
0.17 m
0.06 m
25 - 30 0.19 m
0.21 m
0.13 m
0.19 m
-
20 - 25 0.23 m
0.19 m
0.30 m
0.26 m
0.05 m
15 - 20 0.17 m
0.33 m
0.32 m
0.22 m
0.04 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 2020/10/01 11:06:25.00
- Complete loss of lock detected at 2020/10/01 11:07:36.00
- Complete loss of lock detected at 2020/10/01 11:07:39.00
- Complete loss of lock detected at 2020/10/01 11:07:53.00
- Complete loss of lock detected at 2020/10/01 11:07:57.00
- Complete loss of lock detected at 2020/10/01 11:08:31.00
- Complete loss of lock detected at 2020/10/01 11:08:46.00
- Complete loss of lock detected at 2020/10/01 11:09:05.00
- Orbit missing or expired for SV C21 starting 2020/10/01 11:20:45.00.
- Orbit missing or expired for SV G21 starting 2020/10/01 11:37:07.00.
- Orbit missing or expired for SV C26 starting 2020/10/01 11:38:18.00.
- Orbit missing or expired for SV C24 starting 2020/10/01 11:49:59.00.
- Updated header information or comments after epoch 2020/10/01 11:59:59.00

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 L1 code and phase measurements with a SNR of at least 0 
(#)  A complete Galileo observation contains non-zero E1, E5a, E5b, E5a+b code and phase measurements with a SNR of at least 0 
(#)  A complete BeiDou observation contains non-zero B1, B2 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 
(-)  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  
It took 1.8 seconds to process this file 
This file was processed using version 7.1.0.7438