PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-04:57:50
G08     299.0          22.0                6.0 +/-    2.18      12.5 +/-    2.18  0.100 / 0.090
G10     1.5            62.6                6.4 +/-    0.63       7.1 +/-    0.63  0.090 / 0.130
G14     225.8          42.8                9.2 +/-    2.15      12.8 +/-    2.15  0.030 / 0.030
G20     59.3           54.5                6.5 +/-    0.72       7.8 +/-    0.72  0.030 / 0.030
G21     144.4          44.5                8.3 +/-    0.57      11.2 +/-    0.57  0.040 / 0.060
G24     60.0           27.1                5.3 +/-    1.12       9.9 +/-    1.12  0.050 / 0.070
G27     260.1          33.9                9.1 +/-    1.11      14.7 +/-    1.11  0.100 / 0.120
G32     236.7          61.6                7.7 +/-    1.69       8.6 +/-    1.69  0.080 / 0.100