PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/09-09:42:50
G01     43.0           19.0                3.7 +/-    3.59       8.4 +/-    3.59  0.070 / 0.070
G06     174.6          33.6                6.3 +/-    1.82      10.3 +/-    1.82  0.070 / 0.090
G11     43.7           10.6                3.0 +/-    4.54       8.3 +/-    4.54  0.050 / 0.040
G13     241.1          26.3                7.3 +/-    1.73      13.9 +/-    1.73  0.040 / 0.040
G15     275.4          13.9                4.7 +/-    2.01      12.1 +/-    2.01  0.160 / 0.190
G17     343.1          75.4                6.4 +/-    0.59       6.6 +/-    0.59  0.150 / 0.470
G19     264.1          68.0                6.1 +/-    1.06       6.5 +/-    1.06  0.070 / 0.260
G24     318.2          13.1                1.8 +/-    2.12       4.7 +/-    2.12  0.080 / 0.200
G28     54.4           54.7                5.8 +/-    0.97       6.9 +/-    0.97  0.040 / 0.050
G30     153.7          35.6                7.2 +/-    0.80      11.4 +/-    0.80  0.060 / 0.070