PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/28-02:12:30
G02     304.3          81.7                6.0 +/-    0.91       6.1 +/-    0.91  0.120 / 0.180
G05     166.8          26.4                9.9 +/-    1.72      18.7 +/-    1.72  0.110 / 0.170
G06     38.6           52.2                6.1 +/-    0.67       7.5 +/-    0.67  0.020 / 0.040
G12     319.1          60.0                5.8 +/-    0.85       6.6 +/-    0.85  0.030 / 0.030
G17     80.0           14.7                5.4 +/-    1.82      13.6 +/-    1.82  0.160 / 0.140
G19     67.1           32.0                5.0 +/-    2.37       8.3 +/-    2.37  0.140 / 0.160
G24     233.0          27.7                9.0 +/-    0.91      16.5 +/-    0.91  0.090 / 0.080
G25     317.4          23.1                3.9 +/-    2.49       7.9 +/-    2.49  0.070 / 0.090