PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/02-09:12:50
G01     67.5           31.7                3.9 +/-    0.75       6.7 +/-    0.75  0.030 / 0.040
G07     137.7          28.5                5.7 +/-    0.90      10.2 +/-    0.90  0.030 / 0.050
G11     53.3           32.0                3.2 +/-    0.62       5.4 +/-    0.62  0.070 / 0.120
G13     271.3          38.5                6.4 +/-    0.66       9.5 +/-    0.66  0.070 / 0.130
G15     301.1          15.5                0.7 +/-    1.48       1.7 +/-    1.48  0.070 / 0.110
G17     233.1          68.7                5.9 +/-    1.26       6.3 +/-    1.26  0.070 / 0.110
G18     47.3           17.3                2.2 +/-    0.96       5.3 +/-    0.96  0.120 / 0.190
G19     224.2          45.4                6.7 +/-    0.88       9.0 +/-    0.88  0.120 / 0.250
G28     6.7            61.1                1.9 +/-    0.56       2.1 +/-    0.56  0.050 / 0.100
G30     137.4          63.0                6.3 +/-    0.94       7.0 +/-    0.94  0.050 / 0.090