PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/26-14:12:30
G08     321.0          10.3              -18.6 +/-   12.78     -51.4 +/-   12.78  0.050 / 0.080
G10     305.9          54.2                3.1 +/-    0.98       3.7 +/-    0.98  0.070 / 0.060
G14     212.2          16.5                5.6 +/-    4.58      13.5 +/-    4.58  0.040 / 0.040
G15     45.4           21.4                2.0 +/-    0.82       4.3 +/-    0.82  0.050 / 0.040
G20     74.2           18.1                3.7 +/-    1.23       8.6 +/-    1.23  0.030 / 0.040
G21     115.3          66.6                3.5 +/-    0.46       3.7 +/-    0.46  0.030 / 0.050
G24     91.9           28.6                4.7 +/-    1.02       8.5 +/-    1.02  0.090 / 0.140
G27     292.2          36.9                5.3 +/-    1.39       8.1 +/-    1.39  0.080 / 0.140
G32     213.6          38.2                4.4 +/-    0.67       6.5 +/-    0.67  0.070 / 0.180