PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/22-23:57:40
G02     8.0            72.3               10.0 +/-    0.58      10.5 +/-    0.58  0.020 / 0.030
G05     158.9          42.5               14.1 +/-    1.13      19.7 +/-    1.13  0.020 / 0.030
G06     44.4           32.1                7.6 +/-    0.70      12.8 +/-    0.70  0.030 / 0.070
G12     285.3          78.8                9.6 +/-    1.30       9.8 +/-    1.30  0.040 / 0.060
G19     81.6           23.8               11.1 +/-    0.82      22.4 +/-    0.82  0.150 / 0.270
G24     222.1          17.0               13.1 +/-    4.15      31.2 +/-    4.15  0.110 / 0.320
G25     315.3          35.7               10.1 +/-    2.12      15.8 +/-    2.12  0.040 / 0.040
G29     291.8          12.9               13.5 +/-    1.43      35.4 +/-    1.43  0.030 / 0.040