PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-20:42:40
G02     326.1          80.1                9.2 +/-    0.94       9.3 +/-    0.94  0.070 / 0.100
G05     165.0          31.5               13.5 +/-    1.95      22.9 +/-    1.95  0.040 / 0.120
G06     41.4           40.9                8.6 +/-    0.49      12.4 +/-    0.49  0.030 / 0.040
G12     313.8          71.7                9.4 +/-    0.48       9.8 +/-    0.48  0.030 / 0.040
G17     84.0           13.4                9.8 +/-    1.25      25.4 +/-    1.25  0.030 / 0.040
G19     71.4           30.8               10.1 +/-    0.59      17.3 +/-    0.59  0.030 / 0.040
G24     229.2          24.0               11.8 +/-    0.90      23.6 +/-    0.90  0.090 / 0.230
G25     317.5          26.8                8.6 +/-    1.24      16.1 +/-    1.24  0.100 / 0.260