PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/07-07:58:00
G01     97.3           28.5                4.5 +/-    0.80       8.2 +/-    0.80  0.040 / 0.040
G07     117.2          51.1                6.4 +/-    0.50       8.0 +/-    0.50  0.030 / 0.040
G08     41.7           15.5                1.6 +/-    1.93       3.9 +/-    1.93  0.030 / 0.050
G11     80.5           44.2                5.6 +/-    0.52       7.6 +/-    0.52  0.030 / 0.040
G13     302.3          34.1                5.4 +/-    1.42       8.7 +/-    1.42  0.080 / 0.180
G17     208.5          43.9                7.4 +/-    0.46      10.1 +/-    0.46  0.070 / 0.190
G18     71.5           24.7                4.8 +/-    0.78       9.4 +/-    0.78  0.050 / 0.130
G19     210.2          21.7                4.0 +/-    2.64       8.5 +/-    2.64  0.070 / 0.130
G28     317.1          59.6                4.2 +/-    0.66       4.8 +/-    0.66  0.090 / 0.160
G30     50.8           80.9                3.4 +/-    0.46       3.5 +/-    0.46  0.090 / 0.130