PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/26-18:43:10
G07     333.8          58.7               10.1 +/-    0.96      11.6 +/-    0.96  0.030 / 0.040
G08     105.0          49.9               10.5 +/-    0.54      13.3 +/-    0.54  0.040 / 0.040
G09     207.3          79.3               11.2 +/-    0.36      11.4 +/-    0.36  0.020 / 0.020
G11     147.6          11.0                9.8 +/-   20.94      26.7 +/-   20.94  0.030 / 0.030
G16     44.8           15.3                7.5 +/-    2.59      18.4 +/-    2.59  0.110 / 0.070
G23     154.0          48.0               11.6 +/-    0.69      15.0 +/-    0.69  0.070 / 0.080
G27     62.2           35.3                9.1 +/-    1.37      14.4 +/-    1.37  0.200 / 0.160
G28     232.5          21.7               14.0 +/-    3.49      29.5 +/-    3.49  0.130 / 0.210
G30     298.3          32.5               10.8 +/-    2.44      18.0 +/-    2.44  0.110 / 0.090