PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/05-18:12:40
G10     282.9          46.5               11.2 +/-    2.04      14.7 +/-    2.04  0.040 / 0.040
G15     50.2           40.4                8.3 +/-    0.59      12.0 +/-    0.59  0.040 / 0.040
G20     326.5          64.6               10.5 +/-    0.69      11.5 +/-    0.69  0.050 / 0.080
G21     57.6           76.6               11.4 +/-    0.53      11.7 +/-    0.53  0.040 / 0.050
G24     104.6          21.7               11.3 +/-    1.34      23.8 +/-    1.34  0.080 / 0.170
G27     311.7          27.0                8.7 +/-    1.36      16.2 +/-    1.36  0.090 / 0.180
G29     168.2          17.3               11.5 +/-    1.00      27.0 +/-    1.00  0.120 / 0.090
G32     206.8          21.7               12.4 +/-    1.86      26.3 +/-    1.86  0.060 / 0.100