PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/02-12:43:10
G10     99.3           44.5                5.5 +/-    1.21       7.5 +/-    1.21  0.040 / 0.040
G11     290.9          26.5                6.5 +/-    0.63      12.2 +/-    0.63  0.040 / 0.050
G14     332.6          69.4                4.3 +/-    0.39       4.5 +/-    0.39  0.200 / 0.370
G18     288.2          47.6                2.2 +/-    6.18       2.8 +/-    6.18  0.150 / 0.280
G22     308.3          24.7                4.4 +/-    1.14       8.7 +/-    1.14  0.090 / 0.120
G25     89.0           14.7                5.7 +/-    1.59      14.4 +/-    1.59  0.110 / 0.120
G31     168.4          59.7                8.0 +/-    0.66       9.1 +/-    0.66  0.080 / 0.160
G32     31.1           55.7                4.2 +/-    0.76       5.0 +/-    0.76  0.090 / 0.200