PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/16-11:12:50
G02     202.7          26.1                6.0 +/-    1.72      11.4 +/-    1.72  0.060 / 0.110
G06     165.0          63.1                8.7 +/-    1.44       9.7 +/-    1.44  0.060 / 0.090
G12     304.6          12.5                2.2 +/-    1.94       5.7 +/-    1.94  0.090 / 0.240
G17     32.5           51.9                3.7 +/-    0.56       4.5 +/-    0.56  0.100 / 0.220
G19     335.1          68.9                5.4 +/-    0.88       5.7 +/-    0.88  0.050 / 0.030
G24     301.2          37.4                5.1 +/-    1.66       7.7 +/-    1.66  0.060 / 0.040
G28     95.8           36.1                5.5 +/-    0.64       8.5 +/-    0.64  0.040 / 0.040