PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/11-06:28:00
G07     46.4           69.4                5.8 +/-    0.61       6.1 +/-    0.61  0.040 / 0.030
G08     54.1           43.2                5.6 +/-    1.24       7.8 +/-    1.24  0.040 / 0.040
G09     176.8          38.2                7.2 +/-    1.04      10.8 +/-    1.04  0.110 / 0.250
G11     124.1          34.2                9.2 +/-    1.01      14.8 +/-    1.01  0.070 / 0.230
G17     199.4          10.5               -7.3 +/-   10.65     -20.1 +/-   10.65  0.060 / 0.170
G23     160.3          10.3                3.0 +/-    8.60       8.4 +/-    8.60  0.070 / 0.170
G27     37.6           10.0                2.5 +/-    2.47       6.8 +/-    2.47  0.070 / 0.080
G28     264.2          44.7                4.4 +/-    3.94       5.9 +/-    3.94  0.060 / 0.070
G30     326.1          56.0                4.4 +/-    0.55       5.2 +/-    0.55  0.250 / 0.570