PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/03-21:57:50
G02     353.1          76.5                8.6 +/-    0.77       8.8 +/-    0.77  0.070 / 0.140
G05     162.2          36.6               13.3 +/-    1.41      20.5 +/-    1.41  0.080 / 0.130
G06     41.6           38.9                7.9 +/-    0.83      11.7 +/-    0.83  0.090 / 0.210
G12     309.1          71.1                9.1 +/-    0.91       9.5 +/-    0.91  0.080 / 0.170
G17     87.4           10.5                9.5 +/-    2.36      26.1 +/-    2.36  0.110 / 0.140
G19     77.4           24.7               10.4 +/-    0.77      20.4 +/-    0.77  0.110 / 0.120
G24     226.1          20.7               13.3 +/-    1.61      28.8 +/-    1.61  0.030 / 0.040
G25     316.5          30.9                9.2 +/-    0.75      15.8 +/-    0.75  0.030 / 0.030
G29     288.5          12.2               11.5 +/-    1.82      30.6 +/-    1.82  0.040 / 0.080