PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/18-10:27:50
G02     228.1          68.9                5.2 +/-    0.69       5.5 +/-    0.69  0.050 / 0.090
G06     43.3           65.4                4.2 +/-    0.48       4.6 +/-    0.48  0.080 / 0.070
G12     321.0          46.0                3.7 +/-    0.78       4.9 +/-    0.78  0.040 / 0.040
G17     67.0           23.8                4.5 +/-    1.31       9.1 +/-    1.31  0.040 / 0.050
G19     47.8           44.9                5.4 +/-    0.72       7.3 +/-    0.72  0.520 / 0.310
G24     246.9          37.9                5.2 +/-    1.07       7.8 +/-    1.07  0.500 / 0.390
G25     315.4          11.5              -10.0 +/-   24.44     -27.1 +/-   24.44  0.080 / 0.080