PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/14-03:27:20
G02     225.5          70.9                3.5 +/-    0.73       3.7 +/-    0.73  0.110 / 0.000
G05     173.8          10.5               -8.5 +/-    6.54     -23.3 +/-    6.54  0.140 / 0.230
G06     44.8           67.7                2.3 +/-    0.45       2.5 +/-    0.45  0.030 / 0.040
G12     320.5          43.1                2.1 +/-    0.56       2.9 +/-    0.56  0.050 / 0.050
G17     63.2           29.3                3.5 +/-    1.00       6.2 +/-    1.00  0.030 / 0.020
G19     49.1           43.6                2.6 +/-    0.76       3.6 +/-    0.76  0.030 / 0.030
G24     254.9          38.7                2.8 +/-    1.31       4.2 +/-    1.31  0.070 / 0.110