PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/05-08:28:10
G01     85.2           31.7                6.8 +/-    0.92      11.5 +/-    0.92  0.030 / 0.030
G07     127.7          42.0                8.3 +/-    0.76      11.6 +/-    0.76  0.020 / 0.030
G11     66.8           40.9                5.9 +/-    0.47       8.5 +/-    0.47  0.030 / 0.060
G13     290.4          38.0                5.6 +/-    1.57       8.4 +/-    1.57  0.040 / 0.070
G15     313.2          11.2                1.2 +/-    5.53       3.3 +/-    5.53  0.060 / 0.180
G17     215.3          54.6                8.5 +/-    0.80      10.2 +/-    0.80  0.060 / 0.150
G18     60.4           23.2                4.0 +/-    1.11       8.2 +/-    1.11  0.060 / 0.110
G19     214.7          31.5                4.9 +/-    1.60       8.3 +/-    1.60  0.070 / 0.120
G28     337.6          61.3                3.6 +/-    0.89       4.1 +/-    0.89  0.100 / 0.120
G30     109.4          76.6                7.6 +/-    0.63       7.7 +/-    0.63  0.060 / 0.110