PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-04:57:40
G01     98.8           27.7                5.9 +/-    1.06      10.9 +/-    1.06  0.030 / 0.030
G07     114.5          53.7                6.8 +/-    0.91       8.2 +/-    0.91  0.030 / 0.020
G08     41.5           15.3                2.3 +/-    2.40       5.6 +/-    2.40  0.160 / 0.280
G11     84.7           45.2                6.7 +/-    0.80       9.0 +/-    0.80  0.130 / 0.220
G13     304.0          33.3                3.2 +/-    2.17       5.3 +/-    2.17  0.060 / 0.070
G17     207.1          43.6                6.5 +/-    0.70       9.0 +/-    0.70  0.070 / 0.060
G19     209.4          20.3                6.5 +/-    1.95      14.2 +/-    1.95  0.060 / 0.060
G28     312.1          58.7                4.6 +/-    1.25       5.3 +/-    1.25  0.060 / 0.080
G30     30.2           80.5                4.6 +/-    1.05       4.7 +/-    1.05  0.050 / 0.060