PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/05-13:43:00
G01     52.4           26.7                4.7 +/-    2.29       8.9 +/-    2.29  0.050 / 0.050
G06     177.6          21.4                5.8 +/-    2.50      12.3 +/-    2.50  0.040 / 0.050
G07     144.3          13.2                7.2 +/-    2.29      18.6 +/-    2.29  0.110 / 0.240
G11     45.6           19.0                5.6 +/-    2.06      12.6 +/-    2.06  0.100 / 0.170
G13     253.2          33.1                5.1 +/-    1.88       8.3 +/-    1.88  0.030 / 0.020
G15     287.5          16.0                4.9 +/-    0.96      11.8 +/-    0.96  0.030 / 0.030
G17     274.4          76.7                5.4 +/-    0.60       5.5 +/-    0.60  0.060 / 0.060
G19     240.5          58.4                5.6 +/-    2.13       6.5 +/-    2.13  0.060 / 0.060
G28     36.6           57.9                7.0 +/-    1.27       8.1 +/-    1.27  0.140 / 0.240
G30     147.9          45.1                7.1 +/-    0.67       9.6 +/-    0.67  0.160 / 0.260