PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/27-21:43:20
G08     315.0          16.2                8.6 +/-    3.85      20.8 +/-    3.85  0.050 / 0.100
G10     317.6          57.4               10.3 +/-    0.73      12.0 +/-    0.73  0.070 / 0.080
G14     214.2          22.7               14.1 +/-    1.95      29.2 +/-    1.95  0.090 / 0.270
G15     45.9           21.7                6.6 +/-    1.34      14.0 +/-    1.34  0.150 / 0.350
G20     21.1           63.2                9.3 +/-    0.79      10.3 +/-    0.79  0.030 / 0.070
G21     124.4          64.4               11.1 +/-    0.93      12.1 +/-    0.93  0.030 / 0.050
G24     80.5           28.9                9.5 +/-    0.67      17.0 +/-    0.67  0.170 / 0.390
G27     286.9          37.0                9.3 +/-    1.28      14.3 +/-    1.28  0.150 / 0.360
G32     216.9          45.2               14.6 +/-    1.83      19.6 +/-    1.83  0.060 / 0.120