PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-00:42:40
G01     88.1           32.3                8.8 +/-    0.61      14.7 +/-    0.61  0.040 / 0.060
G07     127.1          44.2               10.5 +/-    1.00      14.4 +/-    1.00  0.050 / 0.060
G11     69.7           40.9                7.7 +/-    0.57      11.1 +/-    0.57  0.030 / 0.060
G13     293.3          36.0                8.3 +/-    1.15      12.9 +/-    1.15  0.040 / 0.060
G15     313.6          11.3                5.6 +/-    2.95      15.3 +/-    2.95  0.080 / 0.100
G17     216.4          53.5                9.3 +/-    1.53      11.3 +/-    1.53  0.060 / 0.100
G19     215.5          29.0                9.8 +/-    1.49      17.5 +/-    1.49  0.040 / 0.050
G28     354.1          61.5                6.3 +/-    1.05       7.0 +/-    1.05  0.040 / 0.070
G30     114.3          70.5                8.2 +/-    1.14       8.7 +/-    1.14  0.040 / 0.100