PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/09-23:28:10
G02     32.0           56.4                8.7 +/-    0.47      10.2 +/-    0.47  0.030 / 0.040
G05     138.9          61.6               10.6 +/-    0.98      11.8 +/-    0.98  0.020 / 0.040
G06     53.5           15.7                7.5 +/-    2.47      18.3 +/-    2.47  0.040 / 0.040
G12     197.1          68.1                8.4 +/-    1.12       9.0 +/-    1.12  0.030 / 0.040
G19     98.5           12.1               10.7 +/-    1.19      28.6 +/-    1.19  0.060 / 0.070
G25     298.9          52.4                8.7 +/-    1.20      10.6 +/-    1.20  0.050 / 0.060
G29     306.0          26.1                9.1 +/-    1.90      17.4 +/-    1.90  0.120 / 0.270