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                6.3 +/-    1.08      12.6 +/-    1.08  0.060 / 0.090
G10     12.5           62.9                4.9 +/-    0.95       5.4 +/-    0.95  0.050 / 0.090
G14     230.8          48.6                8.8 +/-    2.26      11.2 +/-    2.26  0.080 / 0.100
G18     317.6          13.7                4.9 +/-    4.30      12.6 +/-    4.30  0.080 / 0.090
G20     67.6           51.3                6.1 +/-    1.17       7.5 +/-    1.17  0.040 / 0.030
G21     146.6          35.3                6.9 +/-    0.38      10.8 +/-    0.38  0.030 / 0.020
G24     53.3           23.4                3.7 +/-    2.16       7.5 +/-    2.16  0.030 / 0.030
G27     255.5          31.3                7.0 +/-    2.99      12.0 +/-    2.99  0.030 / 0.020
G32     244.9          64.9                7.5 +/-    0.62       8.2 +/-    0.62  0.140 / 0.180