PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/17-09:57:50
G08     317.1          14.6                2.0 +/-    2.97       5.1 +/-    2.97  0.030 / 0.030
G10     314.1          56.8                4.7 +/-    1.50       5.4 +/-    1.50  0.030 / 0.040
G14     212.8          21.5                5.5 +/-    2.64      11.7 +/-    2.64  0.080 / 0.070
G15     45.6           18.5                2.2 +/-    2.81       5.1 +/-    2.81  0.070 / 0.070
G20     16.1           63.8                4.9 +/-    0.66       5.4 +/-    0.66  0.140 / 0.160
G21     121.6          63.4                6.5 +/-    0.81       7.1 +/-    0.81  0.130 / 0.160
G24     84.5           28.8                5.7 +/-    1.38      10.3 +/-    1.38  0.140 / 0.170
G27     291.2          36.3                6.6 +/-    1.56      10.2 +/-    1.56  0.230 / 0.270
G32     215.8          37.3                7.6 +/-    1.10      11.5 +/-    1.10  0.080 / 0.040