PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-17:12:40
G10     301.9          54.0               12.3 +/-    1.43      14.9 +/-    1.43  0.080 / 0.090
G15     45.6           24.2                8.7 +/-    2.30      17.3 +/-    2.30  0.070 / 0.070
G20     2.9            64.8               11.9 +/-    0.62      13.0 +/-    0.62  0.040 / 0.040
G21     100.8          73.0               15.4 +/-    0.68      16.0 +/-    0.68  0.040 / 0.040
G24     97.9           27.3               12.0 +/-    1.08      22.3 +/-    1.08  0.060 / 0.040
G27     299.1          35.2               12.8 +/-    2.37      20.2 +/-    2.37  0.090 / 0.040
G32     210.3          34.8               17.3 +/-    1.42      27.6 +/-    1.42  0.150 / 0.150