PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-13:28:00
G01     48.7           24.2                5.6 +/-    1.44      11.1 +/-    1.44  0.050 / 0.050
G06     176.6          25.7                7.4 +/-    2.11      14.3 +/-    2.11  0.040 / 0.060
G11     44.5           15.5                4.7 +/-    3.72      11.5 +/-    3.72  0.030 / 0.030
G13     248.5          30.8                6.4 +/-    1.36      11.0 +/-    1.36  0.030 / 0.030
G15     283.5          15.4                5.0 +/-    2.34      12.2 +/-    2.34  0.060 / 0.040
G17     294.1          77.6                6.5 +/-    0.70       6.7 +/-    0.70  0.050 / 0.040
G19     247.5          62.1                7.1 +/-    0.72       7.9 +/-    0.72  0.110 / 0.360
G28     43.8           56.6                5.8 +/-    0.82       6.7 +/-    0.82  0.110 / 0.420
G30     150.0          40.9                7.5 +/-    0.93      10.8 +/-    0.93  0.130 / 0.150