PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/16-07:43:00
G01     85.6           31.5                5.0 +/-    0.96       8.4 +/-    0.96  0.030 / 0.020
G07     127.2          42.7                7.8 +/-    1.05      10.9 +/-    1.05  0.030 / 0.030
G11     67.7           41.3                5.4 +/-    1.36       7.7 +/-    1.36  0.280 / 0.220
G13     291.0          37.9                0.1 +/-    1.77       0.2 +/-    1.77  0.210 / 0.380
G15     313.2          11.4                0.9 +/-    3.17       2.4 +/-    3.17  0.060 / 0.100
G17     214.9          54.6                8.7 +/-    0.99      10.4 +/-    0.99  0.040 / 0.110
G19     214.4          31.2                6.0 +/-    1.54      10.2 +/-    1.54  0.040 / 0.050
G28     336.3          61.2                4.2 +/-    0.69       4.7 +/-    0.69  0.030 / 0.060
G30     107.1          77.4                7.2 +/-    0.72       7.4 +/-    0.72  0.040 / 0.050