PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-23:28:00
G02     352.3          77.1               10.5 +/-    0.50      10.7 +/-    0.50  0.030 / 0.030
G05     162.3          36.3               16.7 +/-    1.09      25.8 +/-    1.09  0.030 / 0.030
G06     42.4           37.5               10.2 +/-    0.87      15.4 +/-    0.87  0.110 / 0.180
G12     306.9          74.1               10.9 +/-    0.54      11.3 +/-    0.54  0.110 / 0.160
G17     86.8           12.4               12.8 +/-    1.86      33.8 +/-    1.86  0.040 / 0.060
G19     76.0           27.5               12.1 +/-    1.20      22.4 +/-    1.20  0.040 / 0.070
G24     226.5          21.2               17.9 +/-    1.24      38.2 +/-    1.24  0.030 / 0.030
G25     317.0          30.1               10.3 +/-    0.63      17.9 +/-    0.63  0.030 / 0.030