PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/05-03:57:30
G02     33.6           55.3                3.2 +/-    1.06       3.8 +/-    1.06  0.020 / 0.030
G05     138.3          61.4                5.6 +/-    0.85       6.3 +/-    0.85  0.020 / 0.040
G06     52.9           17.5                3.4 +/-    3.14       8.1 +/-    3.14  0.030 / 0.030
G12     203.4          70.0                6.0 +/-    0.68       6.3 +/-    0.68  0.020 / 0.030
G19     98.7           11.2                3.8 +/-    2.44      10.4 +/-    2.44  0.040 / 0.040
G25     300.1          51.6                4.2 +/-    1.18       5.2 +/-    1.18  0.050 / 0.050
G29     306.2          26.8                5.7 +/-    1.39      10.8 +/-    1.39  0.270 / 0.180