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               11.1 +/-    0.54      12.8 +/-    0.54  0.060 / 0.070
G05     144.0          58.5               14.9 +/-    0.79      17.1 +/-    0.79  0.050 / 0.070
G06     50.4           21.0                6.7 +/-    2.12      14.4 +/-    2.12  0.020 / 0.030
G12     215.6          74.4               13.4 +/-    1.34      13.9 +/-    1.34  0.030 / 0.030
G19     96.2           11.8               12.5 +/-    1.64      33.6 +/-    1.64  0.050 / 0.050
G25     302.8          50.4               11.1 +/-    1.26      14.0 +/-    1.26  0.040 / 0.040
G29     305.3          27.4                8.7 +/-    1.33      16.1 +/-    1.33  0.100 / 0.170