PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/28-05:12:50
G01     319.6          17.4                4.5 +/-    3.22      10.5 +/-    3.22  0.100 / 0.170
G08     261.3          14.4                9.2 +/-    1.74      23.3 +/-    1.74  0.100 / 0.180
G10     77.7           52.9                4.8 +/-    0.95       5.8 +/-    0.95  0.190 / 0.280
G11     304.8          22.0                3.2 +/-    1.27       6.8 +/-    1.27  0.290 / 0.370
G14     289.5          70.3                5.6 +/-    0.66       5.9 +/-    0.66  0.040 / 0.040
G18     306.0          40.0                4.9 +/-    0.87       7.2 +/-    0.87  0.040 / 0.040
G20     103.8          30.6                7.6 +/-    1.06      13.1 +/-    1.06  0.060 / 0.060
G27     226.0          10.5                9.2 +/-    3.87      25.4 +/-    3.87  0.050 / 0.050
G31     175.3          40.6                9.5 +/-    1.04      13.6 +/-    1.04  0.120 / 0.230
G32     357.9          70.1                5.4 +/-    0.57       5.7 +/-    0.57  0.110 / 0.300