PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-18:27:40
G03     187.3          16.2               14.7 +/-    1.52      35.5 +/-    1.52  0.080 / 0.120
G07     292.8          38.6               10.7 +/-    1.73      15.8 +/-    1.73  0.070 / 0.150
G08     143.8          28.8               13.6 +/-    1.06      24.5 +/-    1.06  0.030 / 0.030
G09     319.5          64.8               11.1 +/-    0.93      12.1 +/-    0.93  0.030 / 0.030
G16     42.1           35.5               11.7 +/-    1.01      18.4 +/-    1.01  0.290 / 0.300
G23     126.2          73.3               12.7 +/-    0.79      13.2 +/-    0.79  0.130 / 0.250
G27     95.1           34.8               13.4 +/-    0.99      21.3 +/-    0.99  0.040 / 0.040
G30     276.8          16.4               11.4 +/-    1.22      27.5 +/-    1.22  0.030 / 0.020