PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/29-12:57:30
G02     231.5          70.8                6.1 +/-    0.50       6.5 +/-    0.50  0.070 / 0.080
G05     175.3          10.6               -7.4 +/-   11.38     -20.4 +/-   11.38  0.080 / 0.120
G06     42.1           61.8                3.4 +/-    0.56       3.8 +/-    0.56  0.030 / 0.060
G12     321.3          48.7                4.9 +/-    0.39       6.3 +/-    0.39  0.030 / 0.040
G17     65.9           26.1                1.9 +/-    3.33       3.7 +/-    3.33  0.030 / 0.030
G19     53.6           39.6                2.9 +/-    0.89       4.3 +/-    0.89  0.040 / 0.030
G24     251.9          36.9                6.5 +/-    1.80      10.0 +/-    1.80  0.050 / 0.060
G28     128.3          11.1                6.9 +/-    2.73      18.7 +/-    2.73  0.040 / 0.070