PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-18:28:10
G02     346.0          77.2                8.4 +/-    0.55       8.6 +/-    0.55  0.050 / 0.060
G05     163.1          36.9               12.5 +/-    1.71      19.1 +/-    1.71  0.040 / 0.070
G06     43.2           34.9                8.1 +/-    1.61      12.9 +/-    1.61  0.110 / 0.310
G12     296.7          79.1                8.3 +/-    1.30       8.5 +/-    1.30  0.220 / 0.290
G19     76.5           27.9                8.6 +/-    1.36      15.7 +/-    1.36  0.020 / 0.030
G24     224.1          19.7               11.5 +/-    3.16      25.5 +/-    3.16  0.020 / 0.030
G25     316.4          32.9                7.9 +/-    0.99      13.1 +/-    0.99  0.070 / 0.120