PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/28-19:43:00
G01     46.6           22.7               12.6 +/-    0.93      26.0 +/-    0.93  0.100 / 0.250
G06     176.0          30.6               21.4 +/-    3.63      37.0 +/-    3.63  0.070 / 0.200
G11     43.9           11.8               12.5 +/-    2.30      33.4 +/-    2.30  0.200 / 0.300
G13     246.0          27.8               17.4 +/-    1.20      32.0 +/-    1.20  0.170 / 0.250
G15     280.1          14.7               14.4 +/-    1.14      36.1 +/-    1.14  0.050 / 0.090
G17     323.4          76.9               16.5 +/-    0.52      16.9 +/-    0.52  0.050 / 0.100
G19     253.5          61.8               16.9 +/-    0.82      18.9 +/-    0.82  0.220 / 0.410
G24     318.5          12.2               -1.8 +/-   39.51      -4.8 +/-   39.51  0.240 / 0.550
G28     59.4           50.9               15.6 +/-    0.43      19.5 +/-    0.43  0.030 / 0.030
G30     151.6          36.2               18.8 +/-    1.27      29.2 +/-    1.27  0.030 / 0.030