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               10.2 +/-    0.69      21.2 +/-    0.69  0.190 / 0.320
G06     177.0          28.2               13.2 +/-    1.56      24.0 +/-    1.56  0.160 / 0.280
G11     43.6           11.4                9.5 +/-    1.38      25.6 +/-    1.38  0.030 / 0.060
G13     245.1          28.6               12.6 +/-    2.01      22.8 +/-    2.01  0.040 / 0.080
G15     279.0          15.0               12.2 +/-    2.72      30.2 +/-    2.72  0.180 / 0.480
G17     328.2          77.4               12.9 +/-    0.63      13.2 +/-    0.63  0.160 / 0.450
G19     254.0          64.1               13.2 +/-    0.87      14.5 +/-    0.87  0.100 / 0.160
G24     318.5          11.5                0.9 +/-   36.67       2.5 +/-   36.67  0.090 / 0.190
G28     51.5           54.7               11.2 +/-    0.58      13.4 +/-    0.58  0.040 / 0.040
G30     150.5          33.7               13.8 +/-    1.99      22.4 +/-    1.99  0.030 / 0.030