Leica SpiderQC v7.9.0 Quality Report


Program Run: 2025/06/12 11:12:56.40

File Details:


Observation File: inbd163k.25o
GPS Navigation File: inbd163k.25n
GLONASS Navigation File: inbd163k.25g
Galileo Navigation File: inbd163k.25l
BeiDou Navigation File: inbd163k.25f
Quality Testing:  Pass 

Station Details:


Marker Name/Number:  INBD  INBD   
Observer/Agency:  Andrew Wilken  Indiana DOT   
Receiver #/Type/Vers:  2091656  LEICA GR50  4.82/7.900 
Antenna #/Type:  25165005  LEIAR20 LEIM   
Antenna Offsets (HEN):  0.000  0.000  0.000 
Approx Position (XYZ):  301662.154  -4963847.176  3980595.189 
Approx Position (plh):  38° 51' 47.10427" N  86° 31' 20.30456" W  162.336m 
Diff. Est-Header:  -6.4 m dX  -0.8 m dY  1.5 m dZ 
Diff. Est-Header:  6.6 m (3600 estimates) 

Session Summary:


Time of first obs:  2025/06/12 10:00:00.00 GPS 
Time of last obs:  2025/06/12 10:59:59.00 GPS 
Session length:  59.98 minutes 
GPS week:  2370, day 4 
Observation interval:  1.00 seconds 
UTC leap seconds:  18 seconds 

Num SVs with obs:  38 
Num SVs with nav:  115 
Total GPS orbits:  43 
Total GLONASS orbits:  42 
Total Galileo orbits:  128 
Total BeiDou orbits:  41 
SVs with obs:  G1 G2 G7 G8 G13 G14 G17 G19 G22 G30 R3 R4 R5 R12 R13 R14 R22 R23 R24 E2 E3 E7 E8 E10 E11 E15 E25 E30 E34 E36 C23 C27 C28 C30 C36 C37 C43 C47  
SVs without obs:  G3 G4 G5 G6 G9 G10 G11 G12 G15 G16 G18 G20 G21 G23 G24 G25 G26 G27 G28 G29 G31 G32 R1 R2 R6 R7 R8 R9 R10 R11 R15 R16 R17 R18 R19 R20 R21 E1 E4 E5 E6 E9 E12 E13 E14 E16 E17 E18 E19 E20 E21 E22 E23 E24 E26 E27 E28 E29 E31 E32 E33 E35 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C22 C24 C25 C26 C29 C31 C32 C33 C34 C35 C38 C39 C40 C41 C42 C44 C45 C46 C48 C49 C50 C51 C52 C53 C54 C55 C56 C57 C58 C59 C60 C61 C62 C63 J1 J2 J3 J4 J5 J6 J7 J8 J9 J10 I1 I2 I3 I4 I5 I6 I7 I8 I9  
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 E2 E3 E4 E5 E6 E7 E8 E9 E10 E11 E12 E13 E15 E16 E19 E21 E23 E24 E25 E26 E27 E29 E30 E31 E33 E34 E36 C11 C12 C14 C19 C20 C21 C22 C23 C24 C25 C26 C27 C28 C29 C30 C32 C33 C34 C35 C36 C37 C41 C42 C43 C44 C45 C46 C47 C48 C49 C50 C57  
SVs without nav:  E1 E14 E17 E18 E20 E22 E28 E32 E35 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C13 C15 C16 C17 C18 C31 C38 C39 C40 C51 C52 C53 C54 C55 C56 C58 C59 C60 C61 C62 C63  
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 69 slips 
Multipath:  Pass  Value 0.02m MP1 / 0.04m MP2 / 0.04m MP5, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 95.0 % 
     
GLONASS Specific Tests 
Cycle Slips:  Pass  Value 0 slips, Threshold 128 slips 
Multipath:  Pass  Value 0.04m MP1 / 0.07m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 66.2 %, Threshold 55.0 % 
     
Galileo Specific Tests 
Cycle Slips:  Pass  Value 2 slips, Threshold 143 slips 
Multipath:  Pass  Value 0.04m MP1 / 0.06m MP5a / 0.05m MP5b / 0.03m MP5a+b, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 90.0 % 
     
BeiDou Specific Tests 
Cycle Slips:  Pass  Value 0 slips, Threshold 91 slips 
Multipath:  Pass  Value 0.02m MP1 / 0.05m MP3, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 90.0 % 

General Quality Indicators:


Tracking   
Num obs > 0°:  114942 
Num possible obs > 0°:  124027 
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°:  (0.0 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.4  2.9  2.6 
GDOP  2.9  3.6  3.2 

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:  0.000021 ms (at 2025/06/12 10:58:51.00) 
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°:  114942  36000  28500  29997  20445 
Num possible obs > 0°:  124027  36865  30972  31824  24366 
Num obs with invalid nav: 
Num obs without nav: 
Num obs to unhealthy SV: 
               
Tracking over Elevation Mask (15°) 
Num obs > 15°:  94702  34315  21279  23903  15205 
% obs > 15°:   100.0 %  100.0 %  100.0 %  100.0 %  100.0 % 
Num possible obs > 15°:  94702  34315  21279  23903  15205 
Num complete obs > 15°:  87501  34314  14079  23903  15205 
% complete obs > 15°:   92.4 %  100.0 %  66.2 %  100.0 %  100.0 % 
Num obs with WLF change:  
Average # SV per Epoch:  26.3   9.5   5.9   6.6   4.2  
               
Observation ratio w.r.t. L1/E1/B1I: 
Obs L2/B1C:  1.498   1.606   1.323  
Obs E5b/B2I:  1.000   1.000  
Obs L5/E5a/B2a:  0.644   0.396   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:  0.003 %  0.003 %  0.008 % 
Num complete obs per slip:  29167   34314   11951  
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: 
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:  0.029 m  0.022 m  0.039 m  0.036 m  0.024 m 
MP (L2/B1C) RMS:  0.048 m  0.039 m  0.070 m 
MP (L5/E5a/B2a) RMS:  0.054 m  0.041 m  0.061 m 
MP (E5b/B2I) RMS:  0.048 m  0.048 m 
MP (E5a+b/B2a+b) RMS:  0.030 m  0.030 m 
MP (L6/E6/B3I/G2a) RMS:  0.045 m  0.045 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 %
L1I 100.0 %
100.0 %
100.0 %
100.0 %
L2C 66.2 %
66.2 %
66.2 %
66.2 %
L2P 66.2 %
66.2 %
66.2 %
66.2 %
L2S 60.6 %
60.6 %
60.6 %
60.6 %
L2W 100.0 %
100.0 %
100.0 %
100.0 %
L5Q 64.4 %
64.4 %
64.4 %
64.4 %
L7Q 100.0 %
100.0 %
100.0 %
100.0 %
L8Q 100.0 %
100.0 %
100.0 %
100.0 %
L6I 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 38.75° 50.79° 3600 3600 (100.0 %)
0 (0.0 %) 0
G2 33.29° 44.68° 3600 3600 (100.0 %)
0 (0.0 %) 0
G7 34.40° 64.80° 3600 3600 (100.0 %)
0 (0.0 %) 0
G8 15.00° 32.59° 2785 2785 (100.0 %)
0 (0.0 %) 0
G13 21.48° 23.96° 3600 3600 (100.0 %)
0 (0.0 %) 0
G14 44.99° 65.76° 3600 3600 (100.0 %)
0 (0.0 %) 0
G17 36.85° 60.32° 3600 3600 (100.0 %)
0 (0.0 %) 0
G19 15.00° 31.40° 2730 2730 (100.0 %)
0 (0.0 %) 1
G22 29.91° 49.91° 3600 3600 (100.0 %)
0 (0.0 %) 0
G30 61.16° 73.77° 3600 3600 (100.0 %)
0 (0.0 %) 0

SV GLONASS Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
R12 24.82° 45.18° 3600 3600 (100.0 %)
0 (0.0 %) 0
R13 60.42° 69.28° 3600 3600 (100.0 %)
0 (0.0 %) 0
R14 15.00° 37.73° 3289 3289 (100.0 %)
0 (0.0 %) 0
R22 18.87° 45.44° 3600 3600 (100.0 %)
0 (0.0 %) 0
R23 64.22° 73.49° 3600 3600 (100.0 %)
0 (0.0 %) 0
R24 15.00° 47.11° 3590 3590 (100.0 %)
0 (0.0 %) 0

SV Galileo Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
E2 54.10° 64.94° 3600 3600 (100.0 %)
0 (0.0 %) 0
E7 22.00° 29.93° 3600 3600 (100.0 %)
0 (0.0 %) 0
E8 15.00° 30.31° 2801 2801 (100.0 %)
0 (0.0 %) 0
E11 15.00° 20.56° 1762 1762 (100.0 %)
0 (0.0 %) 2
E25 15.00° 20.01° 1340 1340 (100.0 %)
0 (0.0 %) 0
E30 43.54° 58.46° 3600 3600 (100.0 %)
0 (0.0 %) 0
E34 23.15° 46.56° 3600 3600 (100.0 %)
0 (0.0 %) 0
E36 40.72° 45.25° 3600 3600 (100.0 %)
0 (0.0 %) 0

SV BeiDou Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
C27 57.67° 82.45° 3600 3600 (100.0 %)
0 (0.0 %) 0
C28 41.77° 60.71° 3600 3600 (100.0 %)
0 (0.0 %) 0
C30 15.00° 34.56° 3022 3022 (100.0 %)
0 (0.0 %) 0
C36 15.00° 22.87° 1383 1383 (100.0 %)
0 (0.0 %) 0
C37 43.26° 64.45° 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 3.8 %
0.0 %
0.0 %
0.0 %
0.0 %
G2 3.8 %
0.0 %
100.0 %
0.0 %
100.0 %
G7 3.8 %
0.0 %
0.0 %
0.0 %
100.0 %
G8 2.9 %
0.0 %
0.0 %
0.0 %
0.0 %
G13 3.8 %
0.0 %
100.0 %
0.0 %
100.0 %
G14 3.8 %
0.0 %
0.0 %
0.0 %
0.0 %
G17 3.8 %
0.0 %
0.0 %
0.0 %
100.0 %
G19 2.9 %
0.0 %
100.0 %
0.0 %
100.0 %
G22 3.8 %
0.0 %
100.0 %
0.0 %
100.0 %
G30 3.8 %
0.0 %
0.0 %
0.0 %
0.0 %

SV GLONASS Observations Missing L1C Missing L2C Missing L2P
R12 3.8 %
0.0 %
0.0 %
0.0 %
R13 3.8 %
0.0 %
100.0 %
100.0 %
R14 3.5 %
0.0 %
0.0 %
0.0 %
R22 3.8 %
0.0 %
0.0 %
0.0 %
R23 3.8 %
0.0 %
100.0 %
100.0 %
R24 3.8 %
0.0 %
0.0 %
0.0 %

SV Galileo Observations Missing L1C Missing L5Q Missing L7Q Missing L8Q
E2 3.8 %
0.0 %
0.0 %
0.0 %
0.0 %
E7 3.8 %
0.0 %
0.0 %
0.0 %
0.0 %
E8 3.0 %
0.0 %
0.0 %
0.0 %
0.0 %
E11 1.9 %
0.0 %
0.0 %
0.0 %
0.0 %
E25 1.4 %
0.0 %
0.0 %
0.0 %
0.0 %
E30 3.8 %
0.0 %
0.0 %
0.0 %
0.0 %
E34 3.8 %
0.0 %
0.0 %
0.0 %
0.0 %
E36 3.8 %
0.0 %
0.0 %
0.0 %
0.0 %

SV BeiDou Observations Missing L2I Missing L6I
C27 3.8 %
0.0 %
0.0 %
C28 3.8 %
0.0 %
0.0 %
C30 3.2 %
0.0 %
0.0 %
C36 1.5 %
0.0 %
0.0 %
C37 3.8 %
0.0 %
0.0 %

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 %
G2 0.0 %
100.0 %
0.0 %
100.0 %
G7 0.0 %
0.0 %
0.0 %
100.0 %
G8 0.0 %
0.0 %
0.0 %
0.0 %
G13 0.0 %
100.0 %
0.0 %
100.0 %
G14 0.0 %
0.0 %
0.0 %
0.0 %
G17 0.0 %
0.0 %
0.0 %
100.0 %
G19 0.0 %
100.0 %
0.0 %
100.0 %
G22 0.0 %
100.0 %
0.0 %
100.0 %
G30 0.0 %
0.0 %
0.0 %
0.0 %

SV GLONASS Missing C1C Missing C2C Missing C2P
R12 0.0 %
0.0 %
0.0 %
R13 0.0 %
100.0 %
100.0 %
R14 0.0 %
0.0 %
0.0 %
R22 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
E2 0.0 %
0.0 %
0.0 %
0.0 %
E7 0.0 %
0.0 %
0.0 %
0.0 %
E8 0.0 %
0.0 %
0.0 %
0.0 %
E11 0.0 %
0.0 %
0.0 %
0.0 %
E25 0.0 %
0.0 %
0.0 %
0.0 %
E30 0.0 %
0.0 %
0.0 %
0.0 %
E34 0.0 %
0.0 %
0.0 %
0.0 %
E36 0.0 %
0.0 %
0.0 %
0.0 %

SV BeiDou Missing C2I Missing C6I
C27 0.0 %
0.0 %
C28 0.0 %
0.0 %
C30 0.0 %
0.0 %
C36 0.0 %
0.0 %
C37 0.0 %
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
0.0 %
80 - 85 0
0
0
0
0
0
0.6 %
75 - 80 0
0
0
0
0
0
0.8 %
70 - 75 0
0
0
0
0
0
5.3 %
65 - 70 0
0
0
0
0
0
6.0 %
60 - 65 0
0
0
0
0
0
6.9 %
55 - 60 0
0
0
0
0
0
7.3 %
50 - 55 0
0
0
0
0
0
6.6 %
45 - 50 0
0
0
0
0
0
9.8 %
40 - 45 0
0
0
0
0
0
12.6 %
35 - 40 0
0
0
0
0
0
6.9 %
30 - 35 0
0
0
0
0
0
6.6 %
25 - 30 0
0
0
0
0
0
10.0 %
20 - 25 0
0
0
0
0
0
11.5 %
15 - 20 1
0
2
0
0
0
9.2 %
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 50.2
53.5
55.9
G2 49.6
47.9
-
G7 51.4
51.6
-
G8 43.1
46.0
50.1
G13 41.7
40.5
-
G14 51.4
55.1
57.1
G17 51.4
52.0
-
G19 43.5
43.0
-
G22 49.0
45.9
-
G30 55.1
54.7
59.5
Average GPS: 48.7
49.0
55.6

SV GLONASS G1 G2
R12 50.7
49.9
R13 50.1
-
R14 47.3
46.7
R22 49.5
46.2
R23 53.3
-
R24 49.0
47.2
Average GLONASS: 50.0
47.5

SV Galileo E1 E5a E5b E5a+b
E2 54.7
56.5
57.4
60.3
E7 46.0
48.8
49.4
52.5
E8 44.7
47.8
48.2
51.4
E11 39.7
43.0
43.0
46.5
E25 42.7
46.1
47.0
50.0
E30 53.2
54.9
55.9
58.8
E34 49.0
51.5
52.2
55.3
E36 51.2
53.7
54.8
57.6
Average Galileo: 47.7
50.3
51.0
54.1

SV BeiDou B1I B3I
C27 53.7
54.6
C28 51.1
51.5
C30 43.7
45.4
C36 40.2
46.2
C37 51.5
53.5
Average BeiDou: 48.0
50.3

Code multipath by satellite > 15°: 
SV GPS Av Elev MP (L1) MP (L2) MP (L5)
G1 44.8 ° 0.01 m
0.03 m
0.05 m
G2 39.0 ° 0.02 m
0.04 m
-
G7 49.6 ° 0.02 m
0.03 m
-
G8 23.8 ° 0.02 m
0.05 m
0.05 m
G13 22.7 ° 0.02 m
0.02 m
-
G14 55.4 ° 0.01 m
0.03 m
0.04 m
G17 48.6 ° 0.01 m
0.03 m
-
G19 23.2 ° 0.07 m
0.09 m
-
G22 39.9 ° 0.02 m
0.04 m
-
G30 67.5 ° 0.01 m
0.03 m
0.03 m
Average GPS: - 0.02 m
0.04 m
0.04 m

SV GLONASS Av Elev MP (G1) MP (G2)
R12 35.0 ° 0.03 m
0.03 m
R13 - - -
R14 26.4 ° 0.03 m
0.04 m
R22 32.2 ° 0.04 m
0.06 m
R23 - - -
R24 31.1 ° 0.05 m
0.15 m
Average GLONASS: - 0.04 m
0.07 m

SV Galileo Av Elev MP (E1) MP (E5a) MP (E5b) MP (E5a+b)
E2 59.5 ° 0.02 m
0.02 m
0.03 m
0.01 m
E7 26.0 ° 0.05 m
0.05 m
0.03 m
0.02 m
E8 22.7 ° 0.06 m
0.07 m
0.06 m
0.04 m
E11 17.8 ° 0.08 m
0.09 m
0.09 m
0.08 m
E25 17.5 ° 0.03 m
0.09 m
0.04 m
0.03 m
E30 51.0 ° 0.02 m
0.04 m
0.03 m
0.01 m
E34 34.9 ° 0.02 m
0.07 m
0.08 m
0.03 m
E36 43.0 ° 0.02 m
0.05 m
0.03 m
0.01 m
Average Galileo: - 0.04 m
0.06 m
0.05 m
0.03 m

SV BeiDou Av Elev MP (B1I) MP (B3I)
C27 70.1 ° 0.01 m
0.03 m
C28 51.2 ° 0.02 m
0.02 m
C30 24.8 ° 0.03 m
0.09 m
C36 18.9 ° 0.04 m
0.06 m
C37 53.9 ° 0.02 m
0.03 m
Average BeiDou: - 0.02 m
0.05 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
- - - - 0.01 m
-
75 - 80 0.01 m
- - - - 0.03 m
-
70 - 75 0.01 m
0.03 m
0.03 m
- - 0.02 m
-
65 - 70 0.01 m
0.03 m
0.02 m
- - 0.01 m
-
60 - 65 0.01 m
0.03 m
0.02 m
0.03 m
0.01 m
0.02 m
-
55 - 60 0.02 m
0.03 m
0.03 m
0.03 m
0.01 m
0.03 m
-
50 - 55 0.01 m
0.03 m
0.04 m
0.02 m
0.01 m
0.01 m
-
45 - 50 0.02 m
0.03 m
0.04 m
0.03 m
0.01 m
0.03 m
-
40 - 45 0.02 m
0.03 m
0.05 m
0.04 m
0.02 m
0.06 m
-
35 - 40 0.02 m
0.05 m
0.09 m
0.08 m
0.01 m
- -
30 - 35 0.03 m
0.05 m
0.07 m
0.10 m
0.02 m
0.08 m
-
25 - 30 0.04 m
0.07 m
0.05 m
0.05 m
0.03 m
0.07 m
-
20 - 25 0.04 m
0.05 m
0.06 m
0.05 m
0.03 m
0.07 m
-
15 - 20 0.06 m
0.13 m
0.09 m
0.07 m
0.06 m
0.09 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 2025/06/12 10:59:59.00

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, 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 code and phase measurements with a SNR of at least 0 
(#)  A complete BeiDou observation contains non-zero code and phase measurements with a SNR of at least 0 
(#)  A complete QZSS observation contains non-zero code and phase measurements with a SNR of at least 0 
(#)  A complete NavIC observation contains non-zero 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 7.9.0.386