PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/02-21:28:00
G02     67.9           26.9                6.3 +/-    1.34      11.8 +/-    1.34  0.030 / 0.040
G05     47.8           50.7                7.8 +/-    0.75       9.7 +/-    0.75  0.030 / 0.040
G12     180.0          18.1               11.5 +/-    0.79      26.4 +/-    0.79  0.090 / 0.270
G13     118.3          22.8               11.0 +/-    2.46      22.6 +/-    2.46  0.090 / 0.200
G15     159.9          20.2               10.3 +/-    1.05      22.6 +/-    1.05  0.060 / 0.140
G21     280.3          23.4                9.3 +/-    1.99      18.8 +/-    1.99  0.070 / 0.120
G25     222.1          42.6               10.5 +/-    0.93      14.6 +/-    0.93  0.040 / 0.080
G26     319.1          10.9              -13.3 +/-   33.32     -36.3 +/-   33.32  0.040 / 0.080
G29     334.7          64.7                7.7 +/-    0.72       8.4 +/-    0.72  0.090 / 0.160