PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-20:58:10
G02     4.4            73.0               16.3 +/-    0.76      17.0 +/-    0.76  0.040 / 0.060
G05     159.6          42.4               21.1 +/-    1.16      29.5 +/-    1.16  0.040 / 0.070
G06     44.7           31.1               12.5 +/-    0.51      21.3 +/-    0.51  0.030 / 0.020
G12     274.8          80.6               15.9 +/-    0.56      16.1 +/-    0.56  0.040 / 0.030
G19     81.5           24.4               15.3 +/-    0.49      30.3 +/-    0.49  0.060 / 0.050
G24     221.1          16.4               16.9 +/-    2.27      40.6 +/-    2.27  0.040 / 0.030
G25     314.9          36.8               15.0 +/-    1.64      23.1 +/-    1.64  0.080 / 0.320
G29     291.9          12.9               18.3 +/-    1.92      48.0 +/-    1.92  0.080 / 0.260