PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/19-16:43:00
G02     32.7           55.5                5.3 +/-    1.03       6.3 +/-    1.03  0.040 / 0.030
G05     138.6          64.5                7.3 +/-    0.44       8.0 +/-    0.44  0.040 / 0.040
G06     56.2           12.0                5.5 +/-    1.83      14.7 +/-    1.83  0.030 / 0.030
G12     189.7          61.2                7.5 +/-    0.53       8.4 +/-    0.53  0.030 / 0.030
G19     101.7          11.0                7.1 +/-    2.74      19.5 +/-    2.74  0.040 / 0.040
G25     287.4          57.4                7.8 +/-    1.33       9.1 +/-    1.33  0.050 / 0.040
G29     309.7          30.2                5.3 +/-    1.60       9.3 +/-    1.60  0.080 / 0.100