PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-19:27:50
G01     55.4           28.7               10.0 +/-    0.79      18.0 +/-    0.79  0.090 / 0.290
G06     178.3          20.1              -23.6 +/-   25.73     -51.7 +/-   25.73  0.080 / 0.350
G07     144.3          18.3               13.9 +/-    1.19      32.0 +/-    1.19  0.080 / 0.260
G11     46.6           20.6                9.5 +/-    1.79      20.6 +/-    1.79  0.110 / 0.240
G13     257.2          33.3               13.4 +/-    1.73      22.0 +/-    1.73  0.040 / 0.060
G15     290.2          16.1               10.5 +/-    2.62      25.4 +/-    2.62  0.040 / 0.060
G17     271.5          76.5               13.0 +/-    0.94      13.3 +/-    0.94  0.110 / 0.270
G19     237.6          53.1               14.6 +/-    1.67      17.7 +/-    1.67  0.110 / 0.260
G28     43.6           55.0               11.6 +/-    0.84      13.8 +/-    0.84  0.090 / 0.200
G30     146.6          47.0               14.0 +/-    0.91      18.3 +/-    0.91  0.060 / 0.070