PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-14:58:00
G02     56.9           34.4                7.3 +/-    1.45      11.7 +/-    1.45  0.040 / 0.030
G05     66.7           66.7                7.3 +/-    0.40       7.9 +/-    0.40  0.040 / 0.030
G12     183.1          34.6                8.9 +/-    0.99      14.2 +/-    0.99  0.050 / 0.110
G13     128.9          12.9                8.3 +/-    3.21      21.8 +/-    3.21  0.050 / 0.080
G15     164.5          10.8               -1.9 +/-   22.43      -5.1 +/-   22.43  0.130 / 0.530
G21     269.1          14.9                5.0 +/-    2.33      12.6 +/-    2.33  0.140 / 0.320
G25     242.5          54.0                7.7 +/-    3.62       9.2 +/-    3.62  0.190 / 0.370
G29     326.1          50.8                6.2 +/-    0.94       7.8 +/-    0.94  0.240 / 0.320