PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/27-22:42:40
G08     290.1          23.6                8.5 +/-    1.34      17.1 +/-    1.34  0.080 / 0.150
G10     11.9           63.0                8.0 +/-    0.69       8.8 +/-    0.69  0.070 / 0.140
G14     231.2          47.4               12.3 +/-    0.84      16.1 +/-    0.84  0.070 / 0.090
G18     317.6          12.2                6.1 +/-    3.97      16.2 +/-    3.97  0.070 / 0.080
G20     67.7           51.3                9.6 +/-    0.40      11.9 +/-    0.40  0.060 / 0.120
G21     147.4          38.4               11.7 +/-    1.46      17.4 +/-    1.46  0.050 / 0.100
G24     52.5           22.9                8.2 +/-    0.78      16.9 +/-    0.78  0.110 / 0.160
G27     253.9          30.9               10.3 +/-    1.62      17.8 +/-    1.62  0.130 / 0.210
G32     250.6          70.1               10.6 +/-    0.42      11.2 +/-    0.42  0.090 / 0.120