PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/29-04:28:00
G02     54.6           36.1                3.3 +/-    1.46       5.1 +/-    1.46  0.190 / 0.340
G05     68.7           65.2                3.6 +/-    0.53       3.9 +/-    0.53  0.210 / 0.300
G12     188.0          42.3                5.0 +/-    0.79       7.0 +/-    0.79  0.040 / 0.040
G13     132.5          10.5                0.8 +/-   17.21       2.3 +/-   17.21  0.040 / 0.050
G21     267.1          15.4                3.3 +/-    1.72       8.1 +/-    1.72  0.140 / 0.510
G25     245.0          56.1                3.8 +/-    0.57       4.5 +/-    0.57  0.190 / 0.360
G29     328.7          53.4                3.0 +/-    0.53       3.7 +/-    0.53  0.050 / 0.050