PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/09-02:58:10
G10     243.3          20.1               13.2 +/-    1.62      29.1 +/-    1.62  0.040 / 0.070
G13     63.0           34.2                7.8 +/-    0.70      12.6 +/-    0.70  0.040 / 0.060
G15     106.8          57.3               11.3 +/-    0.36      13.2 +/-    0.36  0.150 / 0.510
G16     303.7          15.4                4.6 +/-    3.61      11.3 +/-    3.61  0.130 / 0.590
G20     262.7          51.5               10.9 +/-    1.02      13.5 +/-    1.02  0.060 / 0.130
G21     322.7          53.4               12.2 +/-    1.06      14.8 +/-    1.06  0.060 / 0.120
G26     275.2          18.8                9.5 +/-    0.94      21.5 +/-    0.94  0.040 / 0.050
G29     162.3          61.3               11.7 +/-    1.27      13.1 +/-    1.27  0.030 / 0.040