PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/12-06:12:50
G01     320.3          15.2              -16.5 +/-   25.45     -40.8 +/-   25.45  0.160 / 0.270
G08     262.9          15.6                8.9 +/-    3.35      21.8 +/-    3.35  0.150 / 0.360
G10     73.7           54.2                5.4 +/-    0.66       6.5 +/-    0.66  0.030 / 0.030
G11     306.7          20.9                3.8 +/-    2.76       8.1 +/-    2.76  0.030 / 0.030
G14     282.9          69.7                7.3 +/-    0.64       7.7 +/-    0.64  0.120 / 0.230
G18     307.9          38.2                3.9 +/-    0.90       5.9 +/-    0.90  0.120 / 0.240
G20     101.6          32.2                5.2 +/-    1.61       8.7 +/-    1.61  0.040 / 0.050
G27     227.9          12.2                6.8 +/-    2.44      18.1 +/-    2.44  0.040 / 0.050
G31     176.2          37.7                7.5 +/-    0.62      11.3 +/-    0.62  0.140 / 0.340
G32     349.4          71.8                5.7 +/-    0.54       5.9 +/-    0.54  0.190 / 0.290