PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/26-07:27:50
G01     70.9           32.1                4.7 +/-    1.11       7.9 +/-    1.11  0.030 / 0.030
G07     135.9          32.0                6.3 +/-    0.72      10.6 +/-    0.72  0.030 / 0.030
G11     56.0           34.8                5.7 +/-    1.32       9.1 +/-    1.32  0.070 / 0.230
G13     275.4          38.9                5.9 +/-    1.29       8.8 +/-    1.29  0.100 / 0.210
G15     302.9          15.5                1.5 +/-    0.98       3.7 +/-    0.98  0.040 / 0.050
G17     228.1          66.9                8.0 +/-    0.96       8.6 +/-    0.96  0.030 / 0.030
G19     221.7          42.6                7.6 +/-    1.90      10.7 +/-    1.90  0.070 / 0.090
G28     359.6          61.4                5.9 +/-    0.63       6.7 +/-    0.63  0.070 / 0.090
G30     133.7          66.9                7.1 +/-    0.71       7.6 +/-    0.71  0.040 / 0.050