PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/06-20:12:50
G01     46.5           22.6               12.2 +/-    2.28      25.2 +/-    2.28  0.040 / 0.050
G06     178.0          27.2               16.8 +/-    1.94      31.3 +/-    1.94  0.040 / 0.050
G11     43.6           11.0               12.3 +/-    2.27      33.6 +/-    2.27  0.160 / 0.280
G13     245.3          28.6               15.3 +/-    1.56      27.5 +/-    1.56  0.210 / 0.430
G15     278.9          15.0               11.3 +/-    1.60      28.2 +/-    1.60  0.060 / 0.090
G17     334.5          77.2               15.0 +/-    0.58      15.4 +/-    0.58  0.070 / 0.110
G19     253.5          63.6               15.6 +/-    0.66      17.2 +/-    0.66  0.130 / 0.160
G24     318.4          12.0                7.4 +/-   19.07      19.8 +/-   19.07  0.130 / 0.150
G28     52.3           54.3               13.6 +/-    1.07      16.4 +/-    1.07  0.090 / 0.190
G30     150.9          35.1               14.8 +/-    1.92      23.4 +/-    1.92  0.120 / 0.170