PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/05-17:57:50
G02     247.0          75.7                8.4 +/-    0.76       8.6 +/-    0.76  0.050 / 0.230
G05     171.0          18.3                9.7 +/-    1.10      22.3 +/-    1.10  0.060 / 0.230
G06     40.5           53.5                7.0 +/-    0.46       8.5 +/-    0.46  0.030 / 0.040
G12     322.6          59.2                7.3 +/-    1.21       8.4 +/-    1.21  0.030 / 0.040
G17     73.6           19.9                8.5 +/-    0.96      18.7 +/-    0.96  0.150 / 0.530
G19     57.3           39.6                8.6 +/-    1.33      12.5 +/-    1.33  0.170 / 0.400
G24     240.6          33.0               11.6 +/-    2.19      19.2 +/-    2.19  0.040 / 0.070
G25     317.1          15.2                6.0 +/-    2.40      14.8 +/-    2.40  0.050 / 0.090