PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/10-17:28:00
G01     86.6           32.6               13.1 +/-    0.68      21.8 +/-    0.68  0.030 / 0.030
G07     128.3          43.1               15.1 +/-    0.84      20.9 +/-    0.84  0.030 / 0.040
G11     65.5           38.7               11.7 +/-    0.57      17.4 +/-    0.57  0.040 / 0.070
G13     291.0          36.8               12.1 +/-    0.99      18.6 +/-    0.99  0.030 / 0.070
G15     314.1          10.5               -3.6 +/-   28.14      -9.8 +/-   28.14  0.100 / 0.320
G17     217.3          54.6               15.5 +/-    1.18      18.6 +/-    1.18  0.110 / 0.340
G18     60.8           23.3               11.2 +/-    0.64      22.7 +/-    0.64  0.040 / 0.050
G19     216.3          28.0               15.4 +/-    2.49      28.1 +/-    2.49  0.040 / 0.060
G28     355.3          61.5               12.3 +/-    0.67      13.8 +/-    0.67  0.040 / 0.050
G30     113.6          73.6               13.8 +/-    0.83      14.3 +/-    0.83  0.040 / 0.060