PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/05-17:42:20
G10     302.8          54.3               27.2 +/-    1.05      32.7 +/-    1.05  0.060 / 0.090
G15     45.6           24.0                8.2 +/-    0.56      16.5 +/-    0.56  0.060 / 0.080
G20     3.9            64.7                1.8 +/-    0.79       2.0 +/-    0.79  0.040 / 0.040
G21     102.3          72.8               12.4 +/-    0.77      13.0 +/-    0.77  0.040 / 0.050
G24     97.2           27.5               12.4 +/-    0.55      22.8 +/-    0.55  0.070 / 0.130
G27     298.4          35.4               12.8 +/-    1.67      20.2 +/-    1.67  0.080 / 0.130
G32     210.6          35.3               12.4 +/-    1.44      19.5 +/-    1.44  0.040 / 0.050