PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/14-00:12:30
G02     29.0           58.4               11.0 +/-    0.88      12.7 +/-    0.88  0.060 / 0.090
G05     144.0          58.5               14.0 +/-    0.82      16.1 +/-    0.82  0.060 / 0.070
G06     50.4           21.0                9.2 +/-    3.51      19.8 +/-    3.51  0.050 / 0.040
G12     215.6          74.4               12.5 +/-    0.53      12.9 +/-    0.53  0.040 / 0.040
G19     96.2           11.8               11.5 +/-    1.23      30.8 +/-    1.23  0.030 / 0.020
G25     302.8          50.4               11.0 +/-    2.51      13.8 +/-    2.51  0.030 / 0.030
G29     305.3          27.4               10.2 +/-    1.37      19.0 +/-    1.37  0.110 / 0.210