PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/27-03:12:50
G01     261.8          40.7                8.2 +/-    0.65      11.7 +/-    0.65  0.070 / 0.080
G03     316.6          33.5                5.6 +/-    1.28       9.1 +/-    1.28  0.070 / 0.090
G10     132.2          11.2                5.4 +/-    2.23      14.6 +/-    2.23  0.050 / 0.090
G11     247.1          16.8                8.8 +/-    2.35      20.9 +/-    2.35  0.040 / 0.080
G14     46.9           48.6                6.0 +/-    0.40       7.8 +/-    0.40  0.050 / 0.050
G18     228.2          35.3                8.5 +/-    2.02      13.4 +/-    2.02  0.040 / 0.070
G22     312.8          55.1                4.5 +/-    1.36       5.3 +/-    1.36  0.140 / 0.380
G25     49.2           15.3                4.3 +/-    2.48      10.7 +/-    2.48  0.230 / 0.340
G31     48.0           67.3                4.0 +/-    0.50       4.3 +/-    0.50  0.210 / 0.350
G32     68.0           29.5                4.5 +/-    0.72       7.9 +/-    0.72  0.180 / 0.340