PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/16-22:43:00
G01     44.2           20.3               10.1 +/-    2.70      22.0 +/-    2.70  0.090 / 0.070
G06     176.0          33.6               11.1 +/-    1.51      18.1 +/-    1.51  0.100 / 0.090
G11     43.7           9.7                 8.4 +/-    2.19      23.5 +/-    2.19  0.210 / 0.090
G13     242.8          25.5               13.4 +/-    2.17      25.9 +/-    2.17  0.180 / 0.130
G15     275.7          14.0               10.0 +/-    1.61      25.5 +/-    1.61  0.060 / 0.050
G17     328.9          75.6               11.1 +/-    0.42      11.5 +/-    0.42  0.150 / 0.040
G19     262.3          65.3               11.2 +/-    0.86      12.2 +/-    0.86  0.070 / 0.050
G24     318.0          14.7                7.5 +/-    2.30      18.7 +/-    2.30  0.190 / 0.050
G28     64.9           49.1               10.3 +/-    1.49      13.2 +/-    1.49  0.310 / 0.210
G30     152.5          31.2               12.3 +/-    0.67      21.0 +/-    0.67  0.250 / 0.100