PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/07-15:27:40
G02     57.2           34.4                7.3 +/-    2.30      11.7 +/-    2.30  0.140 / 0.320
G05     65.0           66.0                9.0 +/-    0.47       9.8 +/-    0.47  0.090 / 0.330
G12     183.2          34.3               10.1 +/-    0.98      16.2 +/-    0.98  0.070 / 0.110
G13     128.5          13.3               12.4 +/-    2.73      32.1 +/-    2.73  0.050 / 0.100
G15     164.5          11.1                1.7 +/-   25.96       4.7 +/-   25.96  0.210 / 0.340
G21     269.6          15.2                7.6 +/-    2.09      18.8 +/-    2.09  0.170 / 0.330
G25     241.6          53.7                8.3 +/-    3.95      10.1 +/-    3.95  0.210 / 0.470
G29     326.5          51.4                7.5 +/-    0.81       9.3 +/-    0.81  0.270 / 0.510