PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/08-09:27:30
G02     201.4          22.2                2.7 +/-    2.28       5.6 +/-    2.28  0.070 / 0.080
G06     169.3          57.2                5.5 +/-    0.59       6.4 +/-    0.59  0.070 / 0.100
G13     224.6          11.1                4.1 +/-    3.04      11.3 +/-    3.04  0.190 / 0.440
G17     28.2           55.4                3.5 +/-    0.75       4.2 +/-    0.75  0.210 / 0.390
G19     322.0          70.1                2.7 +/-    0.54       2.9 +/-    0.54  0.030 / 0.030
G24     305.2          34.9                2.8 +/-    1.17       4.4 +/-    1.17  0.030 / 0.030
G28     90.3           39.3                4.4 +/-    1.26       6.5 +/-    1.26  0.040 / 0.030
G30     158.0          13.2                3.6 +/-    2.14       9.3 +/-    2.14  0.030 / 0.020