PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-23:57:40
G10     310.2          56.1               -9.7 +/-   26.16     -11.5 +/-   26.16  0.080 / 0.090
G14     212.0          16.9               14.0 +/-    2.64      33.3 +/-    2.64  0.060 / 0.090
G15     45.6           21.9                6.6 +/-    2.71      13.9 +/-    2.71  0.030 / 0.040
G20     9.0            64.4                9.2 +/-    0.36      10.1 +/-    0.36  0.030 / 0.050
G21     113.6          70.0               10.2 +/-    0.98      10.8 +/-    0.98  0.120 / 0.280
G24     90.9           28.9                9.7 +/-    1.49      17.4 +/-    1.49  0.110 / 0.290
G27     293.2          36.6               11.0 +/-    1.18      17.0 +/-    1.18  0.090 / 0.060
G32     213.4          38.2               11.3 +/-    1.40      16.9 +/-    1.40  0.090 / 0.080