PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-04:43:00
G02     54.2           36.5                4.8 +/-    1.37       7.4 +/-    1.37  0.120 / 0.350
G05     70.1           65.6                6.3 +/-    0.67       6.9 +/-    0.67  0.140 / 0.320
G12     188.1          42.9                6.8 +/-    0.52       9.4 +/-    0.52  0.060 / 0.060
G13     132.9          10.1               -3.2 +/-   14.87      -8.9 +/-   14.87  0.050 / 0.070
G21     266.7          15.1                4.6 +/-    3.82      11.3 +/-    3.82  0.040 / 0.050
G25     245.9          56.4                6.9 +/-    1.06       8.1 +/-    1.06  0.040 / 0.050
G29     328.7          53.4                4.6 +/-    0.43       5.6 +/-    0.43  0.220 / 0.390