PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/12-19:43:10
G02     89.7           11.3               10.0 +/-    1.23      27.0 +/-    1.23  0.110 / 0.110
G05     46.1           26.2                8.7 +/-    1.96      16.5 +/-    1.96  0.140 / 0.150
G13     86.4           35.8               11.6 +/-    1.00      18.2 +/-    1.00  0.200 / 0.300
G15     143.5          44.3               11.1 +/-    0.96      15.1 +/-    0.96  0.100 / 0.270
G20     241.0          30.3               13.5 +/-    1.84      23.5 +/-    1.84  0.020 / 0.020
G21     305.5          41.5               12.1 +/-    0.95      17.2 +/-    0.95  0.030 / 0.020
G25     202.1          16.7               11.9 +/-    3.80      28.4 +/-    3.80  0.070 / 0.100
G26     295.6          20.4                9.2 +/-    1.80      20.0 +/-    1.80  0.170 / 0.090
G29     141.8          82.7               13.3 +/-    0.55      13.4 +/-    0.55  0.080 / 0.100