PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-12:42:40
G02     66.7           25.7                4.4 +/-    1.76       8.5 +/-    1.76  0.120 / 0.260
G05     50.7           56.9                3.9 +/-    0.40       4.5 +/-    0.40  0.120 / 0.210
G12     180.4          22.5                5.4 +/-    1.04      11.1 +/-    1.04  0.090 / 0.150
G13     120.0          20.1                8.3 +/-    0.97      18.2 +/-    0.97  0.070 / 0.130
G15     157.1          20.3                5.2 +/-    1.98      11.4 +/-    1.98  0.030 / 0.040
G21     278.4          22.3                5.7 +/-    1.87      11.9 +/-    1.87  0.020 / 0.040
G25     226.5          46.1                6.2 +/-    0.95       8.3 +/-    0.95  0.030 / 0.040
G29     333.3          61.2                4.8 +/-    0.55       5.3 +/-    0.55  0.030 / 0.040