PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/30-05:12:30
G08     312.6          17.3                5.1 +/-    1.73      11.9 +/-    1.73  0.070 / 0.080
G10     329.4          59.7                4.5 +/-    1.17       5.1 +/-    1.17  0.080 / 0.090
G14     216.3          28.6                5.5 +/-    2.13      10.0 +/-    2.13  0.030 / 0.040
G15     46.5           11.5                4.6 +/-    1.68      12.5 +/-    1.68  0.040 / 0.030
G20     32.6           61.3                5.3 +/-    0.39       6.0 +/-    0.39  0.100 / 0.200
G24     76.8           30.0                6.9 +/-    0.63      12.0 +/-    0.63  0.100 / 0.210
G27     279.8          37.6                6.0 +/-    0.81       9.1 +/-    0.81  0.060 / 0.110
G32     220.7          46.5                8.1 +/-    1.78      10.7 +/-    1.78  0.060 / 0.080