PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/15-05:42:50
G01     83.6           31.7                4.6 +/-    1.11       7.8 +/-    1.11  0.030 / 0.020
G07     128.2          42.3                7.5 +/-    0.49      10.5 +/-    0.49  0.030 / 0.020
G11     67.0           41.5                5.5 +/-    1.17       7.8 +/-    1.17  0.100 / 0.280
G13     289.3          38.3                2.8 +/-    3.16       4.2 +/-    3.16  0.120 / 0.310
G15     311.2          12.7                1.4 +/-    1.32       3.8 +/-    1.32  0.050 / 0.050
G17     215.7          57.1                9.2 +/-    0.90      10.7 +/-    0.90  0.040 / 0.050
G19     215.0          32.6                7.6 +/-    1.64      12.7 +/-    1.64  0.060 / 0.050
G28     337.5          61.2                4.0 +/-    0.53       4.5 +/-    0.53  0.030 / 0.050
G30     110.2          77.3                6.5 +/-    0.40       6.7 +/-    0.40  0.140 / 0.110