PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/01-00:57:50
G01     43.5           19.6                3.7 +/-    3.02       8.1 +/-    3.02  0.240 / 0.250
G06     179.7          29.3                7.4 +/-    1.52      13.2 +/-    1.52  0.460 / 0.170
G13     241.1          25.5                6.0 +/-    1.51      11.6 +/-    1.51  0.100 / 0.230
G15     274.9          13.7                4.3 +/-    1.36      11.1 +/-    1.36  0.100 / 0.220
G17     357.1          73.0                4.8 +/-    0.79       5.0 +/-    0.79  0.040 / 0.050
G19     262.9          65.9                5.9 +/-    0.66       6.4 +/-    0.66  0.040 / 0.050
G24     317.1          17.3                2.4 +/-   11.72       5.6 +/-   11.72  0.040 / 0.030
G28     61.2           51.5                4.5 +/-    0.83       5.6 +/-    0.83  0.040 / 0.030
G30     153.2          32.4                7.2 +/-    1.25      12.0 +/-    1.25  0.070 / 0.120