PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-17:57:40
G01     46.3           22.4               10.1 +/-    2.56      21.0 +/-    2.56  0.040 / 0.060
G06     177.0          28.2               13.4 +/-    1.69      24.4 +/-    1.69  0.040 / 0.060
G11     43.6           11.4               10.5 +/-    3.13      28.5 +/-    3.13  0.250 / 0.390
G13     245.1          28.6               13.0 +/-    1.71      23.4 +/-    1.71  0.340 / 0.510
G15     279.0          15.0               11.1 +/-    1.73      27.5 +/-    1.73  0.320 / 0.570
G17     328.2          77.4               12.5 +/-    0.35      12.8 +/-    0.35  0.210 / 0.360
G19     254.0          64.1               13.1 +/-    0.64      14.4 +/-    0.64  0.080 / 0.180
G24     318.5          11.5               -6.0 +/-   35.65     -16.1 +/-   35.65  0.090 / 0.190
G28     51.5           54.7               11.5 +/-    1.05      13.7 +/-    1.05  0.020 / 0.020
G30     150.5          33.7               13.2 +/-    1.37      21.4 +/-    1.37  0.030 / 0.030