PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/19-16:57:50
G10     273.2          42.0                9.7 +/-    0.88      13.7 +/-    0.88  0.110 / 0.160
G13     39.6           13.7                8.4 +/-    2.73      21.4 +/-    2.73  0.100 / 0.160
G15     55.3           46.6                9.3 +/-    0.84      12.2 +/-    0.84  0.040 / 0.030
G20     308.7          62.5               10.0 +/-    0.63      11.1 +/-    0.63  0.030 / 0.030
G21     26.9           75.1                9.8 +/-    1.12      10.1 +/-    1.12  0.270 / 0.220
G24     111.7          17.6               10.0 +/-    1.63      23.3 +/-    1.63  0.210 / 0.170
G27     317.0          21.2               14.2 +/-    2.67      30.3 +/-    2.67  0.340 / 0.370
G29     167.7          24.9               11.4 +/-    1.65      22.4 +/-    1.65  0.360 / 0.270
G32     205.1          13.9               11.9 +/-    4.26      30.5 +/-    4.26  0.090 / 0.130