PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/26-15:42:50
G02     214.3          53.7                9.2 +/-    0.77      11.1 +/-    0.77  0.070 / 0.080
G06     63.1           74.6               10.4 +/-    0.69      10.8 +/-    0.69  0.070 / 0.070
G12     319.1          38.2                6.5 +/-    1.22       9.7 +/-    1.22  0.050 / 0.080
G17     55.9           32.7                7.8 +/-    0.58      13.0 +/-    0.58  0.040 / 0.080
G19     30.7           54.0                9.0 +/-    0.49      10.8 +/-    0.49  0.050 / 0.040
G24     267.2          42.7                6.9 +/-    1.09       9.7 +/-    1.09  0.040 / 0.040
G28     120.3          16.3                6.9 +/-    1.14      16.6 +/-    1.14  0.040 / 0.070