PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/31-01:58:00
G02     295.2          81.7                6.3 +/-    0.69       6.3 +/-    0.69  0.080 / 0.160
G05     167.3          25.2                8.9 +/-    1.06      17.4 +/-    1.06  0.100 / 0.160
G06     38.6           53.2                6.3 +/-    0.77       7.7 +/-    0.77  0.030 / 0.030
G12     319.5          58.8                6.2 +/-    1.23       7.1 +/-    1.23  0.040 / 0.040
G17     78.9           15.5                6.5 +/-    1.97      15.9 +/-    1.97  0.200 / 0.230
G19     66.0           32.7                4.5 +/-    2.13       7.4 +/-    2.13  0.190 / 0.130
G24     234.2          28.5                7.9 +/-    1.31      14.2 +/-    1.31  0.080 / 0.100
G25     317.4          21.9                5.5 +/-    2.23      11.5 +/-    2.23  0.090 / 0.080