PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/03-10:42:30
G01     83.8           32.0                3.7 +/-    1.06       6.2 +/-    1.06  0.040 / 0.060
G07     128.9          39.8                4.8 +/-    0.30       7.1 +/-    0.30  0.040 / 0.070
G11     64.6           39.5                4.9 +/-    0.76       7.1 +/-    0.76  0.040 / 0.040
G13     288.8          38.3                1.1 +/-    1.12       1.7 +/-    1.12  0.040 / 0.040
G15     313.3          10.9               -3.8 +/-   14.22     -10.3 +/-   14.22  0.030 / 0.030
G17     216.8          54.5                6.4 +/-    1.02       7.7 +/-    1.02  0.030 / 0.030
G18     59.0           22.7                3.5 +/-    2.35       7.2 +/-    2.35  0.060 / 0.100
G19     215.5          32.6                4.9 +/-    1.85       8.2 +/-    1.85  0.050 / 0.100
G28     341.7          61.5                4.8 +/-    0.71       5.3 +/-    0.71  0.090 / 0.200
G30     115.3          74.2                6.0 +/-    1.12       6.2 +/-    1.12  0.080 / 0.180