PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/19-01:42:40
G01     297.3          38.5                6.3 +/-    2.28       9.4 +/-    2.28  0.060 / 0.070
G03     309.8          11.9               -3.4 +/-   30.83      -9.0 +/-   30.83  0.090 / 0.080
G10     115.5          32.3                8.5 +/-    1.33      14.2 +/-    1.33  0.040 / 0.040
G11     269.6          27.2                6.5 +/-    1.59      12.0 +/-    1.59  0.040 / 0.040
G14     14.6           62.2                7.6 +/-    0.61       8.5 +/-    0.61  0.060 / 0.090
G18     259.1          49.4                9.0 +/-    1.71      11.4 +/-    1.71  0.060 / 0.100
G22     312.7          33.2                5.2 +/-    1.27       8.5 +/-    1.27  0.080 / 0.160
G25     70.0           17.8                6.1 +/-    1.49      14.2 +/-    1.49  0.070 / 0.170
G31     147.2          75.3                8.2 +/-    0.72       8.4 +/-    0.72  0.080 / 0.120
G32     47.0           44.6                6.0 +/-    0.80       8.2 +/-    0.80  0.070 / 0.150