PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-23:12:30
G02     353.7          76.8                9.9 +/-    0.38      10.1 +/-    0.38  0.030 / 0.030
G05     162.1          36.8               14.4 +/-    0.86      22.1 +/-    0.86  0.020 / 0.030
G06     42.6           36.9                9.7 +/-    0.78      14.9 +/-    0.78  0.110 / 0.150
G12     305.2          74.8                8.6 +/-    0.58       8.9 +/-    0.58  0.090 / 0.150
G17     87.4           11.9               12.6 +/-    1.18      33.8 +/-    1.18  0.050 / 0.080
G19     76.5           27.2               10.9 +/-    1.17      20.2 +/-    1.17  0.050 / 0.070
G24     226.0          20.8               15.5 +/-    1.99      33.5 +/-    1.99  0.030 / 0.040
G25     316.8          30.7                9.7 +/-    1.06      16.7 +/-    1.06  0.040 / 0.030