PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/29-18:58:10
G10     293.5          50.7                9.0 +/-    1.10      11.2 +/-    1.10  0.060 / 0.100
G15     47.2           33.7                7.8 +/-    0.98      12.7 +/-    0.98  0.060 / 0.100
G20     345.4          65.4                7.0 +/-    0.65       7.6 +/-    0.65  0.040 / 0.050
G21     89.0           74.6               10.7 +/-    0.76      11.0 +/-    0.76  0.040 / 0.050
G24     96.8           25.0                8.3 +/-    0.98      16.1 +/-    0.98  0.080 / 0.120
G27     304.9          31.7                9.5 +/-    1.00      16.1 +/-    1.00  0.080 / 0.140
G29     168.0          10.0                9.3 +/-    1.53      25.8 +/-    1.53  0.040 / 0.080
G32     209.3          29.4               10.3 +/-    1.76      18.4 +/-    1.76  0.050 / 0.080