PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/16-03:12:40
G01     93.2           31.1                4.4 +/-    1.30       7.6 +/-    1.30  0.040 / 0.040
G07     122.9          47.7                5.5 +/-    0.75       7.2 +/-    0.75  0.030 / 0.050
G08     42.3           10.5                3.5 +/-    2.49       9.7 +/-    2.49  0.100 / 0.300
G11     73.7           41.4                4.0 +/-    1.56       5.7 +/-    1.56  0.260 / 0.170
G13     298.5          34.3                2.5 +/-    2.40       4.0 +/-    2.40  0.040 / 0.040
G17     212.9          50.8                7.3 +/-    0.83       9.1 +/-    0.83  0.040 / 0.040
G19     213.4          25.5                5.5 +/-    1.56      10.6 +/-    1.56  0.030 / 0.040
G28     345.5          61.8                3.9 +/-    0.65       4.4 +/-    0.65  0.040 / 0.050
G30     100.6          74.8                5.0 +/-    0.81       5.1 +/-    0.81  0.080 / 0.090