PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/25-15:12:30
G01     311.3          29.6                8.0 +/-    1.30      14.2 +/-    1.30  0.190 / 0.280
G10     100.2          44.1                9.0 +/-    0.54      12.2 +/-    0.54  0.080 / 0.160
G11     290.9          26.2                8.7 +/-    1.41      16.4 +/-    1.41  0.030 / 0.050
G14     338.6          69.2                8.0 +/-    0.82       8.5 +/-    0.82  0.030 / 0.040
G22     308.1          23.4                5.9 +/-    2.44      12.1 +/-    2.44  0.100 / 0.130
G25     88.1           15.0                8.1 +/-    1.23      20.1 +/-    1.23  0.090 / 0.160
G31     169.3          59.9                8.4 +/-    1.17       9.5 +/-    1.17  0.040 / 0.050
G32     31.3           55.6                6.3 +/-    0.55       7.5 +/-    0.55  0.040 / 0.040