PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-03:12:50
G01     46.7           22.7                3.4 +/-    0.67       7.0 +/-    0.67  0.030 / 0.040
G06     178.8          27.6                6.5 +/-    1.29      12.0 +/-    1.29  0.030 / 0.040
G11     44.4           13.3                2.1 +/-    1.61       5.4 +/-    1.61  0.050 / 0.060
G13     246.9          27.8                4.5 +/-    1.42       8.3 +/-    1.42  0.050 / 0.070
G15     278.5          15.1                3.8 +/-    1.98       9.5 +/-    1.98  0.090 / 0.270
G17     330.2          76.8                7.1 +/-    0.67       7.3 +/-    0.67  0.100 / 0.280
G19     255.9          64.0                5.5 +/-    1.00       6.0 +/-    1.00  0.120 / 0.250
G24     318.9          11.0              -10.5 +/-   27.19     -28.7 +/-   27.19  0.170 / 0.310
G28     60.0           50.6                5.5 +/-    0.61       6.8 +/-    0.61  0.060 / 0.240
G30     150.5          32.7                6.8 +/-    0.57      11.3 +/-    0.57  0.080 / 0.200