PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/06-18:28:00
G10     294.6          51.1                8.2 +/-    2.04      10.2 +/-    2.04  0.040 / 0.030
G15     47.0           32.7                6.8 +/-    1.82      11.4 +/-    1.82  0.040 / 0.030
G20     347.4          65.4                8.1 +/-    0.44       8.8 +/-    0.44  0.070 / 0.070
G21     92.4           74.0               10.1 +/-    0.58      10.5 +/-    0.58  0.090 / 0.130
G24     95.8           25.3                8.8 +/-    2.17      17.1 +/-    2.17  0.080 / 0.120
G27     304.3          32.0                7.7 +/-    1.33      12.9 +/-    1.33  0.080 / 0.130
G32     209.6          30.0               11.0 +/-    2.71      19.3 +/-    2.71  0.070 / 0.080