PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-09:28:00
G01     320.2          14.7              -10.1 +/-   28.81     -25.2 +/-   28.81  0.050 / 0.070
G08     263.9          14.9                6.4 +/-    1.79      16.0 +/-    1.79  0.050 / 0.070
G10     73.5           55.4                4.9 +/-    0.44       5.8 +/-    0.44  0.130 / 0.310
G11     307.3          20.2                6.1 +/-    1.95      13.4 +/-    1.95  0.120 / 0.270
G14     276.4          66.1                4.3 +/-    0.85       4.7 +/-    0.85  0.040 / 0.040
G18     308.4          36.6                5.2 +/-    2.61       8.1 +/-    2.61  0.040 / 0.040
G27     226.3          11.0                5.3 +/-    2.99      14.5 +/-    2.99  0.140 / 0.310
G31     175.1          39.7                6.7 +/-    0.97       9.8 +/-    0.97  0.100 / 0.330
G32     4.0            69.1                5.9 +/-    0.35       6.3 +/-    0.35  0.180 / 0.350