PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-03:13:00
G01     105.6          24.4                6.3 +/-    1.35      12.5 +/-    1.35  0.030 / 0.030
G07     104.2          59.5                6.8 +/-    0.64       7.8 +/-    0.64  0.030 / 0.030
G08     41.8           20.3                2.9 +/-    0.64       6.2 +/-    0.64  0.070 / 0.180
G09     172.0          11.3                5.8 +/-    2.64      15.8 +/-    2.64  0.070 / 0.160
G11     95.8           45.3                6.5 +/-    0.72       8.7 +/-    0.72  0.040 / 0.090
G13     309.9          29.3                4.3 +/-    2.20       7.7 +/-    2.20  0.040 / 0.080
G17     203.9          37.1                6.6 +/-    1.27      10.0 +/-    1.27  0.040 / 0.040
G19     207.4          14.0                5.9 +/-    1.16      14.9 +/-    1.16  0.040 / 0.040
G28     299.3          56.3                3.8 +/-    1.01       4.5 +/-    1.01  0.030 / 0.060
G30     359.4          75.7                5.5 +/-    0.81       5.6 +/-    0.81  0.040 / 0.060