PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/09-23:28:00
G02     333.2          80.0               10.3 +/-    0.56      10.5 +/-    0.56  0.030 / 0.030
G05     164.6          31.2               16.3 +/-    0.74      27.8 +/-    0.74  0.040 / 0.030
G06     40.0           45.1                9.8 +/-    0.99      13.2 +/-    0.99  0.260 / 0.250
G12     316.1          65.3               10.0 +/-    0.92      10.9 +/-    0.92  0.140 / 0.230
G17     83.4           12.9               12.3 +/-    3.19      32.0 +/-    3.19  0.160 / 0.200
G19     72.2           28.4               11.2 +/-    1.43      20.2 +/-    1.43  0.210 / 0.230
G24     229.9          24.5               13.4 +/-    1.91      26.5 +/-    1.91  0.080 / 0.080
G25     317.3          26.4               10.8 +/-    1.59      20.5 +/-    1.59  0.060 / 0.090