PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/07-18:42:50
G03     190.4          23.8               13.1 +/-    3.06      26.4 +/-    3.06  0.060 / 0.100
G07     288.5          38.9               13.3 +/-    1.00      19.7 +/-    1.00  0.060 / 0.090
G08     142.9          24.7               16.9 +/-    1.09      33.3 +/-    1.09  0.100 / 0.160
G09     320.7          57.6               12.6 +/-    0.67      14.6 +/-    0.67  0.090 / 0.170
G16     46.2           48.3               11.5 +/-    0.46      14.8 +/-    0.46  0.100 / 0.430
G23     77.5           83.5               13.5 +/-    0.59      13.6 +/-    0.59  0.030 / 0.030
G26     43.6           19.5               10.5 +/-    1.75      23.5 +/-    1.75  0.030 / 0.030
G27     107.8          31.3               16.4 +/-    0.92      27.9 +/-    0.92  0.050 / 0.090
G30     270.4          10.1              -14.7 +/-   26.72     -41.0 +/-   26.72  0.070 / 0.080