PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/15-19:27:50
G08     318.2          13.3                9.3 +/-    2.75      24.2 +/-    2.75  0.050 / 0.080
G10     317.1          57.7                9.0 +/-    0.93      10.4 +/-    0.93  0.060 / 0.060
G14     213.6          18.2                9.9 +/-    1.72      22.9 +/-    1.72  0.040 / 0.040
G15     45.7           17.4                9.1 +/-    2.92      21.3 +/-    2.92  0.040 / 0.040
G20     21.7           62.8                9.2 +/-    1.93      10.2 +/-    1.93  0.150 / 0.340
G21     121.2          66.6               12.5 +/-    0.79      13.5 +/-    0.79  0.130 / 0.370
G24     87.4           30.0                8.4 +/-    0.94      14.8 +/-    0.94  0.080 / 0.110
G27     288.1          37.7                7.9 +/-    1.99      11.9 +/-    1.99  0.100 / 0.120
G32     215.2          43.6               11.1 +/-    1.22      15.3 +/-    1.22  0.120 / 0.250