PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/13-00:58:00
G01     46.7           22.7                6.2 +/-    1.83      12.8 +/-    1.83  0.040 / 0.040
G06     177.7          28.8                9.6 +/-    1.32      17.2 +/-    1.32  0.040 / 0.060
G11     44.5           13.7                5.0 +/-    1.52      12.8 +/-    1.52  0.080 / 0.200
G13     246.6          27.8                8.4 +/-    2.42      15.4 +/-    2.42  0.090 / 0.270
G15     278.7          15.1                4.7 +/-    1.74      11.7 +/-    1.74  0.020 / 0.020
G17     322.5          76.9                9.0 +/-    0.48       9.2 +/-    0.48  0.020 / 0.030
G19     255.2          63.5                9.0 +/-    0.64      10.0 +/-    0.64  0.080 / 0.130
G24     318.8          11.3               -4.4 +/-   32.13     -12.0 +/-   32.13  0.070 / 0.110
G28     59.9           50.6                7.7 +/-    0.44       9.7 +/-    0.44  0.150 / 0.340
G30     150.7          33.6               11.5 +/-    1.22      18.8 +/-    1.22  0.110 / 0.240