PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-05:12:50
G10     303.8          53.8                5.9 +/-    1.37       7.2 +/-    1.37  0.080 / 0.430
G14     212.1          12.1                4.9 +/-   18.60      12.9 +/-   18.60  0.080 / 0.420
G15     45.7           25.0                3.9 +/-    1.12       7.7 +/-    1.12  0.040 / 0.050
G20     24.1           62.1                5.3 +/-    0.59       5.9 +/-    0.59  0.040 / 0.040
G21     107.9          71.9                6.7 +/-    0.79       7.0 +/-    0.79  0.060 / 0.080
G24     92.2           27.9                5.0 +/-    1.39       9.1 +/-    1.39  0.060 / 0.080
G27     295.3          36.0                8.1 +/-    0.41      12.7 +/-    0.41  0.070 / 0.040
G32     212.3          38.1                9.7 +/-    1.43      14.5 +/-    1.43  0.040 / 0.040