PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/08-11:42:40
G08     288.8          23.7                4.3 +/-    0.92       8.6 +/-    0.92  0.050 / 0.090
G10     16.6           62.8                5.2 +/-    1.03       5.7 +/-    1.03  0.060 / 0.100
G14     232.6          50.3                6.6 +/-    2.46       8.3 +/-    2.46  0.040 / 0.020
G18     317.5          15.3                2.5 +/-    3.56       6.3 +/-    3.56  0.030 / 0.030
G20     70.1           50.2                4.6 +/-    0.93       5.7 +/-    0.93  0.040 / 0.020
G21     147.5          33.5                6.5 +/-    0.92      10.7 +/-    0.92  0.030 / 0.030
G24     51.8           22.5                4.6 +/-    3.23       9.6 +/-    3.23  0.080 / 0.120
G27     253.5          30.3                5.6 +/-    1.50       9.7 +/-    1.50  0.100 / 0.080
G32     248.4          66.3                5.6 +/-    0.36       6.1 +/-    0.36  0.120 / 0.300