PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/04-20:58:10
G01     55.0           28.4               11.5 +/-    0.67      20.9 +/-    0.67  0.080 / 0.340
G06     178.6          20.2              -24.9 +/-   21.99     -54.5 +/-   21.99  0.090 / 0.350
G07     144.5          18.0               15.5 +/-    1.62      35.8 +/-    1.62  0.060 / 0.100
G11     46.7           20.7               10.8 +/-    1.32      23.3 +/-    1.32  0.050 / 0.110
G13     256.8          33.1               15.1 +/-    1.68      24.9 +/-    1.68  0.100 / 0.320
G15     289.2          16.2               11.6 +/-    2.41      28.1 +/-    2.41  0.080 / 0.300
G17     269.8          75.8               15.4 +/-    0.53      15.8 +/-    0.53  0.040 / 0.070
G19     238.4          54.1               15.6 +/-    1.23      18.8 +/-    1.23  0.040 / 0.070
G28     44.5           54.8               13.2 +/-    0.59      15.8 +/-    0.59  0.090 / 0.220
G30     146.6          45.8               15.0 +/-    0.89      20.0 +/-    0.89  0.090 / 0.300