PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/01-16:28:00
G02     26.5           61.2               13.3 +/-    0.61      15.0 +/-    0.61  0.040 / 0.060
G05     154.7          54.1               16.4 +/-    1.05      19.7 +/-    1.05  0.050 / 0.080
G06     50.1           22.3                9.0 +/-    0.82      18.7 +/-    0.82  0.030 / 0.030
G12     214.7          74.7               13.6 +/-    0.81      14.1 +/-    0.81  0.040 / 0.040
G19     95.7           12.2               12.8 +/-    0.86      33.9 +/-    0.86  0.100 / 0.380
G20     197.8          19.9               16.7 +/-    2.20      36.9 +/-    2.20  0.120 / 0.310
G25     303.4          51.2               12.1 +/-    1.81      15.0 +/-    1.81  0.050 / 0.050
G29     304.8          27.1                9.1 +/-    2.06      17.0 +/-    2.06  0.050 / 0.050