PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/25-09:42:50
G07     53.6           68.7                5.4 +/-    0.36       5.8 +/-    0.36  0.030 / 0.030
G08     54.7           44.7                3.7 +/-    0.85       5.0 +/-    0.85  0.030 / 0.040
G09     178.0          38.5                7.9 +/-    1.03      11.8 +/-    1.03  0.060 / 0.100
G11     121.5          35.0                6.9 +/-    0.52      10.9 +/-    0.52  0.070 / 0.090
G13     321.1          11.1               -4.4 +/-   15.60     -11.9 +/-   15.60  0.080 / 0.220
G17     200.2          9.8                -9.6 +/-    5.71     -26.9 +/-    5.71  0.070 / 0.210
G18     104.8          15.6                4.9 +/-    1.65      11.9 +/-    1.65  0.120 / 0.500
G28     266.4          46.2                6.4 +/-    1.41       8.5 +/-    1.41  0.120 / 0.400
G30     329.5          58.5                3.9 +/-    0.65       4.5 +/-    0.65  0.060 / 0.080