PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/25-05:12:30
G02     292.1          82.4                3.2 +/-    0.60       3.3 +/-    0.60  0.070 / 0.090
G05     167.6          24.4                4.7 +/-    2.20       9.3 +/-    2.20  0.090 / 0.120
G06     39.5           52.3                4.5 +/-    0.67       5.5 +/-    0.67  0.030 / 0.040
G12     320.1          59.0                4.0 +/-    0.61       4.6 +/-    0.61  0.030 / 0.030
G17     77.1           19.0                3.0 +/-    2.49       6.7 +/-    2.49  0.080 / 0.030
G19     65.6           33.4                3.5 +/-    1.06       5.7 +/-    1.06  0.050 / 0.040
G24     237.9          29.9                6.0 +/-    1.72      10.5 +/-    1.72  0.120 / 0.140
G25     317.8          18.7                3.3 +/-    2.54       7.4 +/-    2.54  0.090 / 0.170