PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/23-10:42:40
G08     288.4          23.5                5.1 +/-    0.64      10.3 +/-    0.64  0.060 / 0.100
G10     18.2           62.8                5.2 +/-    0.84       5.8 +/-    0.84  0.060 / 0.100
G14     233.2          50.8                7.7 +/-    2.31       9.6 +/-    2.31  0.030 / 0.020
G18     317.6          15.5                2.6 +/-    2.40       6.4 +/-    2.40  0.030 / 0.030
G20     70.9           49.9                5.0 +/-    0.76       6.3 +/-    0.76  0.070 / 0.080
G21     147.9          33.7                6.9 +/-    1.22      11.2 +/-    1.22  0.070 / 0.080
G24     51.5           22.4                4.1 +/-    3.45       8.6 +/-    3.45  0.030 / 0.030
G27     252.6          30.0                6.9 +/-    1.43      12.0 +/-    1.43  0.040 / 0.030
G32     249.0          66.1                6.9 +/-    0.56       7.4 +/-    0.56  0.100 / 0.100