PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/19-14:58:10
G02     64.8           28.0                6.8 +/-    2.08      12.4 +/-    2.08  0.030 / 0.040
G05     52.3           59.0                8.4 +/-    0.46       9.6 +/-    0.46  0.040 / 0.030
G12     181.3          24.6                8.3 +/-    2.18      16.3 +/-    2.18  0.110 / 0.150
G13     121.2          19.2                9.4 +/-    1.80      21.1 +/-    1.80  0.130 / 0.190
G15     159.1          18.4                9.6 +/-    2.75      22.0 +/-    2.75  0.200 / 0.330
G21     276.9          20.8                6.8 +/-    1.28      14.6 +/-    1.28  0.130 / 0.340
G25     228.9          47.4                7.6 +/-    3.22       9.9 +/-    3.22  0.080 / 0.090
G29     332.4          59.9                7.5 +/-    0.72       8.5 +/-    0.72  0.100 / 0.070