PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-00:27:40
G08     308.5          18.5                9.1 +/-    1.25      20.7 +/-    1.25  0.070 / 0.080
G10     346.4          61.7                8.1 +/-    0.79       9.1 +/-    0.79  0.070 / 0.090
G14     220.7          34.6               13.7 +/-    1.20      22.0 +/-    1.20  0.060 / 0.140
G20     47.6           57.9                9.4 +/-    0.36      10.8 +/-    0.36  0.060 / 0.140
G21     139.4          52.7               11.0 +/-    0.91      13.4 +/-    0.91  0.060 / 0.080
G24     68.6           29.7                8.9 +/-    0.69      15.7 +/-    0.69  0.060 / 0.050
G27     268.4          36.6               10.0 +/-    1.27      15.4 +/-    1.27  0.040 / 0.030
G32     227.9          57.1               12.4 +/-    1.89      14.5 +/-    1.89  0.040 / 0.040