PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/28-10:12:20
G08     320.2          10.9              -11.4 +/-   24.17     -31.2 +/-   24.17  0.150 / 0.330
G10     313.3          56.2                3.8 +/-    1.74       4.5 +/-    1.74  0.300 / 0.430
G14     214.0          18.8                5.9 +/-    2.06      13.5 +/-    2.06  0.030 / 0.030
G15     45.6           18.1                3.2 +/-    2.34       7.5 +/-    2.34  0.030 / 0.030
G20     72.0           26.7                3.3 +/-    2.26       6.2 +/-    2.26  0.060 / 0.070
G21     121.5          65.5                6.4 +/-    0.70       6.9 +/-    0.70  0.050 / 0.070
G24     86.2           29.5                6.6 +/-    1.14      11.6 +/-    1.14  0.080 / 0.090
G27     287.1          37.6                6.0 +/-    2.32       9.1 +/-    2.32  0.070 / 0.070
G32     215.8          43.7                7.3 +/-    0.98      10.0 +/-    0.98  0.080 / 0.080