PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/03-19:58:10
G02     36.2           52.9                8.8 +/-    0.57      10.8 +/-    0.57  0.040 / 0.040
G05     128.3          66.2                9.6 +/-    0.91      10.4 +/-    0.91  0.030 / 0.050
G06     57.4           10.1                9.2 +/-    1.93      25.6 +/-    1.93  0.050 / 0.050
G12     187.6          58.7               11.1 +/-    0.93      12.8 +/-    0.93  0.030 / 0.050
G25     287.0          56.9                8.7 +/-    1.74      10.1 +/-    1.74  0.040 / 0.060
G29     310.4          30.8                7.7 +/-    1.65      13.2 +/-    1.65  0.040 / 0.040