PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-21:28:00
G02     335.9          79.4               13.5 +/-    0.57      13.7 +/-    0.57  0.150 / 0.180
G05     164.3          32.3               19.8 +/-    1.12      33.1 +/-    1.12  0.110 / 0.160
G06     40.5           42.7               12.4 +/-    0.99      17.2 +/-    0.99  0.030 / 0.030
G12     314.8          66.9               12.3 +/-    0.89      13.2 +/-    0.89  0.030 / 0.030
G17     83.9           13.2               14.6 +/-    2.33      38.0 +/-    2.33  0.270 / 0.240
G19     73.5           27.3               13.5 +/-    1.20      25.2 +/-    1.20  0.110 / 0.210
G24     229.5          23.7               18.3 +/-    2.31      36.9 +/-    2.31  0.040 / 0.030
G25     317.2          26.9               14.0 +/-    2.95      26.3 +/-    2.95  0.030 / 0.060