PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/18-14:43:00
G01     248.6          34.8                8.7 +/-    1.90      13.8 +/-    1.90  0.110 / 0.090
G03     315.7          49.0                5.3 +/-    0.85       6.8 +/-    0.85  0.110 / 0.080
G14     62.3           39.1                6.4 +/-    1.18       9.5 +/-    1.18  0.050 / 0.090
G16     166.2          16.4               -6.5 +/-    7.92     -15.8 +/-    7.92  0.050 / 0.080
G18     216.7          25.1                7.8 +/-    2.77      15.3 +/-    2.77  0.050 / 0.070
G22     298.6          71.2                6.5 +/-    0.42       6.8 +/-    0.42  0.050 / 0.070
G23     287.5          19.7                5.3 +/-    2.48      11.8 +/-    2.48  0.040 / 0.040
G26     139.9          37.9                9.2 +/-    0.93      13.9 +/-    0.93  0.050 / 0.040
G31     40.8           59.0                5.7 +/-    0.67       6.5 +/-    0.67  0.070 / 0.100
G32     76.4           25.7                6.0 +/-    1.60      11.5 +/-    1.60  0.070 / 0.100