PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-19:28:00
G01     42.7           18.5               11.0 +/-    3.87      25.1 +/-    3.87  0.090 / 0.280
G06     174.6          37.1               14.9 +/-    0.93      22.8 +/-    0.93  0.070 / 0.250
G13     240.2          23.9               16.0 +/-    3.27      32.0 +/-    3.27  0.170 / 0.300
G15     274.6          13.0               12.1 +/-    1.01      31.6 +/-    1.01  0.380 / 0.210
G17     347.5          73.6               14.3 +/-    0.49      14.8 +/-    0.49  0.060 / 0.100
G19     266.3          65.8               14.3 +/-    1.02      15.5 +/-    1.02  0.110 / 0.100
G24     317.2          17.4               12.4 +/-    3.02      29.1 +/-    3.02  0.190 / 0.470
G28     67.9           48.2               13.2 +/-    1.38      17.0 +/-    1.38  0.290 / 0.320
G30     153.7          30.2               14.3 +/-    1.31      24.9 +/-    1.31  0.060 / 0.080