PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/05-21:28:10
G01     43.2           19.1               15.3 +/-    1.18      34.5 +/-    1.18  0.080 / 0.160
G06     175.3          35.8               29.6 +/-    1.48      46.3 +/-    1.48  0.070 / 0.150
G13     241.1          24.4               26.9 +/-    2.61      53.3 +/-    2.61  0.060 / 0.050
G15     274.5          13.4               24.6 +/-    1.99      63.5 +/-    1.99  0.050 / 0.040
G17     339.1          74.6               22.7 +/-    0.57      23.4 +/-    0.57  0.110 / 0.170
G19     265.6          66.0               22.6 +/-    0.84      24.5 +/-    0.84  0.080 / 0.190
G24     317.6          16.3               16.4 +/-    3.15      39.5 +/-    3.15  0.040 / 0.070
G28     67.1           48.4               20.1 +/-    0.33      25.9 +/-    0.33  0.040 / 0.070
G30     153.2          30.1               27.8 +/-    1.43      48.5 +/-    1.43  0.190 / 0.340