PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/16-07:28:10
G01     93.2           29.8                5.7 +/-    0.92      10.0 +/-    0.92  0.060 / 0.040
G07     121.1          48.3                7.4 +/-    0.91       9.5 +/-    0.91  0.040 / 0.030
G08     41.9           12.1                2.3 +/-    2.19       6.1 +/-    2.19  0.040 / 0.070
G11     75.8           43.6                6.7 +/-    0.50       9.2 +/-    0.50  0.040 / 0.080
G13     298.5          35.8                5.8 +/-    2.30       9.1 +/-    2.30  0.090 / 0.130
G17     210.4          48.0                7.7 +/-    0.94      10.0 +/-    0.94  0.070 / 0.120
G19     211.5          25.1                6.4 +/-    2.64      12.5 +/-    2.64  0.030 / 0.060
G28     323.6          60.3                4.9 +/-    0.36       5.5 +/-    0.36  0.030 / 0.060
G30     73.6           80.8                6.8 +/-    0.44       6.9 +/-    0.44  0.040 / 0.070