PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/02-08:57:40
G01     75.8           32.4                3.6 +/-    0.81       6.1 +/-    0.81  0.030 / 0.030
G07     133.5          34.9                5.8 +/-    0.89       9.3 +/-    0.89  0.030 / 0.030
G11     58.8           36.6                4.1 +/-    0.95       6.2 +/-    0.95  0.030 / 0.080
G13     280.5          39.0                3.6 +/-    1.68       5.3 +/-    1.68  0.040 / 0.080
G15     307.2          13.9                1.3 +/-    1.54       3.4 +/-    1.54  0.070 / 0.100
G17     222.9          62.2                6.7 +/-    0.43       7.4 +/-    0.43  0.070 / 0.110
G18     53.1           20.6                2.5 +/-    1.32       5.5 +/-    1.32  0.070 / 0.260
G19     219.1          38.8                7.0 +/-    1.79      10.3 +/-    1.79  0.090 / 0.250
G28     353.1          61.5                3.4 +/-    0.72       3.9 +/-    0.72  0.090 / 0.140
G30     128.1          69.8                5.2 +/-    0.69       5.5 +/-    0.69  0.090 / 0.150