PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/24-01:12:30
G02     200.4          26.9                9.3 +/-    1.52      17.4 +/-    1.52  0.070 / 0.040
G06     169.7          58.5                7.5 +/-    0.71       8.6 +/-    0.71  0.040 / 0.040
G17     22.6           58.8                6.7 +/-    0.69       7.7 +/-    0.69  0.030 / 0.030
G19     336.9          69.8                6.3 +/-    0.61       6.7 +/-    0.61  0.030 / 0.020
G24     307.0          32.4                6.8 +/-    2.02      11.4 +/-    2.02  0.050 / 0.090
G28     93.5           36.5                7.2 +/-    1.23      11.1 +/-    1.23  0.040 / 0.080