PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/27-03:12:40
G08     315.3          15.4                3.8 +/-    1.87       9.5 +/-    1.87  0.080 / 0.080
G10     325.1          59.1                7.4 +/-    0.69       8.5 +/-    0.69  0.070 / 0.110
G14     215.2          25.8               11.4 +/-    2.73      21.8 +/-    2.73  0.030 / 0.020
G15     46.1           13.7                5.1 +/-    1.47      13.0 +/-    1.47  0.030 / 0.030
G20     27.3           62.2                9.9 +/-    1.69      11.0 +/-    1.69  0.040 / 0.050
G21     128.5          62.2               10.0 +/-    0.44      11.2 +/-    0.44  0.040 / 0.050
G24     80.2           30.1                7.4 +/-    2.08      12.9 +/-    2.08  0.130 / 0.200
G27     282.7          37.7                7.8 +/-    1.79      11.8 +/-    1.79  0.180 / 0.230
G32     218.9          45.2               11.4 +/-    1.14      15.3 +/-    1.14  0.250 / 0.380