PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/24-16:58:10
G02     282.7          79.9                6.8 +/-    0.43       6.9 +/-    0.43  0.060 / 0.160
G05     168.1          25.8               10.8 +/-    2.00      20.7 +/-    2.00  0.060 / 0.150
G06     40.8           44.9                6.9 +/-    0.84       9.3 +/-    0.84  0.170 / 0.170
G12     319.4          69.1                5.0 +/-    0.75       5.3 +/-    0.75  0.190 / 0.170
G17     80.8           14.2                6.8 +/-    1.20      17.4 +/-    1.20  0.110 / 0.170
G19     65.6           34.8                8.8 +/-    0.95      14.0 +/-    0.95  0.180 / 0.210
G24     232.5          27.4               10.0 +/-    2.11      18.5 +/-    2.11  0.040 / 0.040
G25     317.7          23.0                6.8 +/-    2.32      14.0 +/-    2.32  0.040 / 0.040