PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/14-06:12:40
G08     314.2          16.5                5.6 +/-    1.99      13.3 +/-    1.99  0.060 / 0.090
G10     324.6          59.0                6.2 +/-    0.98       7.1 +/-    0.98  0.070 / 0.080
G14     215.1          26.4                9.4 +/-    2.76      17.8 +/-    2.76  0.030 / 0.060
G15     46.1           13.5                1.7 +/-    0.73       4.5 +/-    0.73  0.030 / 0.050
G20     27.8           62.1                5.9 +/-    0.45       6.5 +/-    0.45  0.030 / 0.040
G21     128.6          61.0                9.0 +/-    0.73      10.1 +/-    0.73  0.030 / 0.040
G24     79.4           29.8                6.9 +/-    1.18      12.1 +/-    1.18  0.080 / 0.200
G27     283.3          37.5                7.5 +/-    1.06      11.3 +/-    1.06  0.070 / 0.190
G32     219.0          43.4               11.5 +/-    1.59      15.9 +/-    1.59  0.130 / 0.270