PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/30-02:57:40
G08     316.3          14.6                5.9 +/-    2.57      14.9 +/-    2.57  0.060 / 0.090
G10     322.8          58.7                8.3 +/-    0.62       9.6 +/-    0.62  0.060 / 0.100
G14     214.6          24.6               11.2 +/-    1.35      22.1 +/-    1.35  0.050 / 0.030
G15     46.0           14.8                5.3 +/-    1.65      13.3 +/-    1.65  0.040 / 0.040
G20     24.7           62.6                9.8 +/-    1.40      10.8 +/-    1.40  0.050 / 0.040
G21     126.8          63.3                8.8 +/-    0.65       9.8 +/-    0.65  0.050 / 0.040
G24     81.7           30.0                7.9 +/-    1.48      13.8 +/-    1.48  0.210 / 0.270
G27     284.3          37.7               10.4 +/-    1.02      15.7 +/-    1.02  0.140 / 0.240
G32     218.0          44.1               11.9 +/-    1.07      16.3 +/-    1.07  0.120 / 0.180