PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/31-21:12:30
G01     311.2          31.3                8.6 +/-    1.03      14.7 +/-    1.03  0.130 / 0.170
G10     99.5           42.3               10.5 +/-    1.15      14.7 +/-    1.15  0.100 / 0.160
G14     327.8          69.8                8.6 +/-    0.56       9.1 +/-    0.56  0.040 / 0.050
G20     117.1          16.6               10.1 +/-    1.43      24.1 +/-    1.43  0.040 / 0.040
G22     307.4          19.2                6.4 +/-    1.77      14.3 +/-    1.77  0.040 / 0.040
G25     89.1           14.0                9.6 +/-    3.72      24.4 +/-    3.72  0.030 / 0.040
G31     169.6          58.2               10.9 +/-    0.53      12.6 +/-    0.53  0.180 / 0.400
G32     30.5           56.2                8.8 +/-    1.16      10.3 +/-    1.16  0.190 / 0.370