PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/28-22:43:00
G01     79.6           33.3                9.5 +/-    1.05      15.5 +/-    1.05  0.070 / 0.170
G07     132.7          38.1               12.7 +/-    0.90      19.0 +/-    0.90  0.080 / 0.200
G11     61.5           37.1                8.6 +/-    1.26      13.1 +/-    1.26  0.030 / 0.030
G13     284.5          37.4                8.9 +/-    0.55      13.5 +/-    0.55  0.040 / 0.030
G15     308.4          13.7                7.1 +/-    2.09      18.2 +/-    2.09  0.260 / 0.270
G17     222.9          58.4               11.1 +/-    2.14      12.7 +/-    2.14  0.190 / 0.180
G18     55.8           21.7                8.7 +/-    3.85      18.4 +/-    3.85  0.030 / 0.060
G19     219.3          34.9               12.2 +/-    1.68      19.5 +/-    1.68  0.040 / 0.060
G28     7.2            60.6                9.8 +/-    1.48      11.1 +/-    1.48  0.050 / 0.040
G30     126.3          66.0               12.2 +/-    0.38      13.2 +/-    0.38  0.050 / 0.050