PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/26-05:12:30
G02     306.8          82.3                2.2 +/-    0.33       2.2 +/-    0.33  0.090 / 0.150
G05     166.9          26.1                5.4 +/-    2.26      10.2 +/-    2.26  0.080 / 0.160
G06     39.6           50.4                1.5 +/-    0.50       1.9 +/-    0.50  0.040 / 0.040
G12     319.3          60.9                2.5 +/-    0.79       2.9 +/-    0.79  0.050 / 0.050
G17     78.6           18.0                3.4 +/-    0.85       7.8 +/-    0.85  0.050 / 0.120
G19     67.3           32.3                3.9 +/-    1.04       6.5 +/-    1.04  0.040 / 0.120
G24     236.2          28.7                4.2 +/-    1.43       7.5 +/-    1.43  0.030 / 0.040
G25     317.8          20.4                3.1 +/-    1.02       6.8 +/-    1.02  0.020 / 0.040