PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/16-03:28:00
G01     87.7           30.8                5.8 +/-    1.54      10.0 +/-    1.54  0.030 / 0.020
G07     124.7          46.3                5.9 +/-    0.62       7.8 +/-    0.62  0.030 / 0.030
G11     72.6           43.8                5.4 +/-    0.61       7.3 +/-    0.61  0.250 / 0.360
G13     293.8          37.4                5.0 +/-    5.21       7.6 +/-    5.21  0.110 / 0.180
G15     313.2          11.9                3.1 +/-    3.31       8.2 +/-    3.31  0.050 / 0.080
G17     212.5          54.1                7.3 +/-    0.92       8.7 +/-    0.92  0.060 / 0.080
G19     213.1          29.1                6.5 +/-    1.88      11.6 +/-    1.88  0.050 / 0.050
G28     328.9          60.6                4.0 +/-    0.72       4.5 +/-    0.72  0.040 / 0.040
G30     91.2           80.5                4.7 +/-    0.68       4.8 +/-    0.68  0.160 / 0.170