PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/04-18:57:40
G08     264.6          18.1               10.4 +/-    1.42      23.9 +/-    1.42  0.030 / 0.040
G10     63.0           57.6                9.1 +/-    0.64      10.5 +/-    0.64  0.030 / 0.050
G11     310.4          18.5                8.8 +/-    2.89      20.0 +/-    2.89  0.140 / 0.470
G14     268.7          67.1                7.5 +/-    0.58       8.1 +/-    0.58  0.140 / 0.370
G20     96.0           36.1                9.9 +/-    0.72      15.3 +/-    0.72  0.090 / 0.160
G21     154.2          12.4               12.0 +/-    1.57      31.7 +/-    1.57  0.100 / 0.180
G27     233.5          16.1               11.3 +/-    2.05      27.4 +/-    2.05  0.040 / 0.060
G31     180.4          28.4               11.9 +/-    1.92      21.5 +/-    1.92  0.040 / 0.050
G32     338.5          74.1                9.5 +/-    0.70       9.8 +/-    0.70  0.140 / 0.240