PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-16:43:10
G01     81.9           32.6                9.2 +/-    0.61      15.3 +/-    0.61  0.030 / 0.090
G07     130.9          34.8               10.2 +/-    0.62      16.3 +/-    0.62  0.030 / 0.070
G11     61.0           36.9                9.1 +/-    0.85      13.9 +/-    0.85  0.050 / 0.050
G13     286.2          38.4               10.5 +/-    0.54      15.7 +/-    0.54  0.060 / 0.060
G15     310.2          12.9                9.6 +/-    1.41      25.2 +/-    1.41  0.050 / 0.100
G17     218.8          58.5               12.6 +/-    0.85      14.5 +/-    0.85  0.050 / 0.100
G18     56.2           21.6                7.5 +/-    0.78      15.8 +/-    0.78  0.070 / 0.110
G19     216.9          33.8               12.5 +/-    1.33      20.4 +/-    1.33  0.060 / 0.110
G28     349.7          61.6                8.3 +/-    0.66       9.3 +/-    0.66  0.040 / 0.060
G30     123.2          67.2               11.4 +/-    0.79      12.2 +/-    0.79  0.030 / 0.060