PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-04:27:50
G08     279.2          21.1                6.0 +/-    1.24      12.9 +/-    1.24  0.080 / 0.150
G10     44.5           60.5                4.6 +/-    0.56       5.1 +/-    0.56  0.080 / 0.210
G14     247.6          59.6                8.3 +/-    0.45       9.4 +/-    0.45  0.090 / 0.250
G18     316.2          24.5                3.7 +/-    2.17       7.4 +/-    2.17  0.100 / 0.250
G20     85.2           43.1                6.1 +/-    0.36       8.4 +/-    0.36  0.030 / 0.030
G21     153.0          25.2                6.7 +/-    0.50      13.1 +/-    0.50  0.030 / 0.030
G24     44.5           16.7                4.2 +/-    0.74      10.0 +/-    0.74  0.060 / 0.060
G27     240.1          22.8                7.5 +/-    1.90      15.4 +/-    1.90  0.080 / 0.060
G31     179.5          21.5                7.9 +/-    1.73      16.8 +/-    1.73  0.110 / 0.260
G32     290.0          75.3                6.3 +/-    0.64       6.5 +/-    0.64  0.100 / 0.250