PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-09:42:50
G02     204.3          34.7                7.0 +/-    0.97      11.2 +/-    0.97  0.060 / 0.080
G06     157.7          70.5                8.3 +/-    1.09       8.8 +/-    1.09  0.070 / 0.100
G12     308.4          17.1                4.5 +/-    1.44      10.7 +/-    1.44  0.090 / 0.190
G17     39.5           46.0                5.3 +/-    0.46       7.1 +/-    0.46  0.120 / 0.150
G19     356.7          65.7                5.0 +/-    0.54       5.4 +/-    0.54  0.040 / 0.040
G24     292.3          41.5                5.3 +/-    1.42       7.6 +/-    1.42  0.030 / 0.030
G28     103.1          31.6                8.7 +/-    1.05      14.7 +/-    1.05  0.040 / 0.050