PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/30-07:28:10
G01     61.7           30.3                6.2 +/-    1.24      10.8 +/-    1.24  0.030 / 0.030
G06     179.7          12.4                1.8 +/-   15.09       4.8 +/-   15.09  0.040 / 0.030
G07     140.3          24.8                5.6 +/-    1.70      10.9 +/-    1.70  0.120 / 0.230
G11     50.6           29.1                4.3 +/-    1.46       7.7 +/-    1.46  0.120 / 0.210
G13     264.9          37.4                6.5 +/-    2.36       9.9 +/-    2.36  0.050 / 0.040
G15     295.4          16.7                3.4 +/-    3.11       8.2 +/-    3.11  0.040 / 0.060
G17     245.1          74.0                7.1 +/-    0.24       7.4 +/-    0.24  0.070 / 0.100
G19     228.5          50.1                7.0 +/-    2.29       8.8 +/-    2.29  0.080 / 0.100
G28     15.0           60.7                6.3 +/-    1.44       7.1 +/-    1.44  0.030 / 0.020
G30     142.1          59.0                7.7 +/-    0.57       8.8 +/-    0.57  0.030 / 0.030