PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/10-00:28:00
G02     28.5           58.9               10.5 +/-    0.41      12.0 +/-    0.41  0.040 / 0.060
G05     144.8          57.9               14.2 +/-    0.66      16.5 +/-    0.66  0.060 / 0.070
G06     50.0           21.7                8.2 +/-    2.19      17.2 +/-    2.19  0.040 / 0.050
G12     217.6          74.9               11.6 +/-    0.96      11.9 +/-    0.96  0.050 / 0.060
G19     95.6           12.2               14.1 +/-    1.74      37.4 +/-    1.74  0.080 / 0.140
G25     303.5          50.1               10.4 +/-    0.91      13.1 +/-    0.91  0.090 / 0.160
G29     305.0          27.1                9.1 +/-    1.64      16.9 +/-    1.64  0.030 / 0.030