PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/02-17:12:30
G02     211.7          50.9               11.3 +/-    1.08      14.1 +/-    1.08  0.080 / 0.080
G06     77.7           77.4                9.6 +/-    0.39       9.8 +/-    0.39  0.050 / 0.080
G12     317.3          33.7               10.2 +/-    1.40      16.6 +/-    1.40  0.040 / 0.070
G17     52.1           36.1                8.4 +/-    0.78      13.1 +/-    0.78  0.050 / 0.070
G19     26.2           56.0               10.0 +/-    0.76      11.7 +/-    0.76  0.090 / 0.240
G24     272.9          43.0               10.3 +/-    0.97      14.3 +/-    0.97  0.140 / 0.250
G28     117.7          18.9               10.2 +/-    1.36      23.1 +/-    1.36  0.060 / 0.070