PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/02-22:58:10
G10     297.4          51.9               10.1 +/-    1.76      12.4 +/-    1.76  0.080 / 0.080
G15     46.7           32.2                6.6 +/-    1.74      11.0 +/-    1.74  0.090 / 0.090
G20     287.0          38.6               17.7 +/-    0.41      26.4 +/-    0.41  0.130 / 0.140
G21     93.1           75.3                9.1 +/-    0.42       9.4 +/-    0.42  0.140 / 0.130
G24     95.6           26.2                9.8 +/-    2.92      18.6 +/-    2.92  0.040 / 0.030
G27     300.9          34.0                6.5 +/-    2.22      10.6 +/-    2.22  0.040 / 0.030
G32     210.1          33.7               13.7 +/-    1.51      22.2 +/-    1.51  0.100 / 0.100