PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/07-11:43:00
G08     290.7          23.7                6.1 +/-    1.43      12.3 +/-    1.43  0.060 / 0.070
G10     12.5           62.9                5.0 +/-    0.56       5.5 +/-    0.56  0.050 / 0.060
G14     230.8          48.6                6.8 +/-    1.33       8.8 +/-    1.33  0.030 / 0.030
G18     317.6          13.7                4.9 +/-    1.80      12.7 +/-    1.80  0.030 / 0.030
G20     67.6           51.3                5.1 +/-    0.27       6.3 +/-    0.27  0.070 / 0.110
G21     146.6          35.3                7.7 +/-    1.08      12.1 +/-    1.08  0.070 / 0.120
G24     53.3           23.4                3.4 +/-    0.90       6.9 +/-    0.90  0.100 / 0.180
G27     255.5          31.3                7.6 +/-    1.00      13.0 +/-    1.00  0.100 / 0.190
G32     244.9          64.9                6.8 +/-    1.17       7.4 +/-    1.17  0.050 / 0.110