PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/16-22:12:40
G02     59.4           33.3               11.2 +/-    1.03      18.4 +/-    1.03  0.040 / 0.030
G05     57.1           60.4               12.2 +/-    0.63      13.8 +/-    0.63  0.030 / 0.030
G12     182.4          29.6               17.6 +/-    1.16      31.1 +/-    1.16  0.250 / 0.490
G13     127.5          15.6               14.6 +/-    2.55      35.8 +/-    2.55  0.200 / 0.330
G15     165.2          11.7               16.2 +/-    5.48      43.6 +/-    5.48  0.140 / 0.410
G21     271.5          16.9               16.5 +/-    1.73      39.1 +/-    1.73  0.170 / 0.500
G25     235.3          51.4               13.9 +/-    2.42      17.3 +/-    2.42  0.060 / 0.090
G29     327.8          54.0               11.4 +/-    0.90      13.7 +/-    0.90  0.090 / 0.080