PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-05:12:40
G01     82.0           31.8                7.5 +/-    0.52      12.7 +/-    0.52  0.030 / 0.030
G07     129.2          41.3                8.8 +/-    0.90      12.6 +/-    0.90  0.030 / 0.030
G11     65.8           41.1                6.0 +/-    0.64       8.6 +/-    0.64  0.070 / 0.210
G13     287.7          38.6                5.1 +/-    2.05       7.6 +/-    2.05  0.110 / 0.180
G15     309.9          13.3                3.1 +/-    1.20       8.1 +/-    1.20  0.050 / 0.080
G17     216.7          58.6                9.0 +/-    0.62      10.4 +/-    0.62  0.050 / 0.080
G19     215.7          33.8                9.2 +/-    1.99      14.9 +/-    1.99  0.070 / 0.060
G28     339.7          61.3                5.5 +/-    0.84       6.1 +/-    0.84  0.060 / 0.060
G30     114.2          76.5                8.7 +/-    0.65       8.9 +/-    0.65  0.070 / 0.130