PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/25-07:43:10
G01     64.6           31.1                3.5 +/-    0.81       5.9 +/-    0.81  0.030 / 0.040
G06     180.4          10.2              -20.3 +/-   16.13     -56.4 +/-   16.13  0.040 / 0.040
G07     139.0          27.0                7.1 +/-    1.67      13.3 +/-    1.67  0.080 / 0.110
G11     52.1           30.9                3.3 +/-    0.65       5.7 +/-    0.65  0.090 / 0.120
G13     268.2          38.0                7.7 +/-    1.00      11.6 +/-    1.00  0.050 / 0.100
G15     298.0          16.3                3.6 +/-    2.05       8.6 +/-    2.05  0.070 / 0.100
G17     238.5          71.8                6.6 +/-    0.56       6.9 +/-    0.56  0.060 / 0.110
G19     226.2          47.7                7.2 +/-    1.78       9.4 +/-    1.78  0.050 / 0.100
G28     10.4           61.0                1.9 +/-    0.62       2.2 +/-    0.62  0.050 / 0.060
G30     139.9          61.4                7.7 +/-    0.59       8.6 +/-    0.59  0.040 / 0.050