PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/05-20:42:30
G02     56.0           36.4                9.0 +/-    0.98      14.0 +/-    0.98  0.040 / 0.040
G05     63.2           63.8                8.8 +/-    0.57       9.7 +/-    0.57  0.030 / 0.030
G12     182.3          32.7               11.4 +/-    1.70      18.8 +/-    1.70  0.180 / 0.370
G13     130.2          13.2               13.3 +/-    2.38      34.5 +/-    2.38  0.110 / 0.310
G21     268.6          14.5               11.0 +/-    1.28      27.7 +/-    1.28  0.090 / 0.080
G25     240.2          53.8               11.0 +/-    4.67      13.3 +/-    4.67  0.080 / 0.060
G29     325.5          50.4                9.2 +/-    0.94      11.6 +/-    0.94  0.050 / 0.080