PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/16-03:28:00
G07     3.1            66.4                6.2 +/-    0.58       6.8 +/-    0.58  0.060 / 0.060
G08     71.0           50.3                6.0 +/-    0.60       7.5 +/-    0.60  0.060 / 0.060
G09     176.4          52.8                9.2 +/-    0.45      11.3 +/-    0.45  0.030 / 0.040
G11     137.7          24.1                8.1 +/-    2.67      16.2 +/-    2.67  0.030 / 0.040
G23     159.5          25.5                5.6 +/-    2.43      10.8 +/-    2.43  0.040 / 0.040
G27     43.2           21.4                5.2 +/-    2.17      11.1 +/-    2.17  0.040 / 0.050
G28     247.9          33.9                5.9 +/-    1.90       9.6 +/-    1.90  0.110 / 0.180
G30     312.5          43.5                5.8 +/-    1.04       8.0 +/-    1.04  0.120 / 0.150