PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/16-06:28:00
G01     120.4          15.2                6.4 +/-    1.03      15.9 +/-    1.03  0.030 / 0.030
G07     72.7           67.4                5.7 +/-    0.65       6.2 +/-    0.65  0.030 / 0.040
G08     47.2           35.7                4.3 +/-    0.55       6.8 +/-    0.55  0.060 / 0.080
G09     175.8          28.4                8.4 +/-    1.56      15.3 +/-    1.56  0.060 / 0.100
G11     114.3          39.5                8.1 +/-    0.80      11.8 +/-    0.80  0.080 / 0.220
G13     318.7          17.8                2.5 +/-    1.36       5.8 +/-    1.36  0.080 / 0.200
G17     200.4          19.6                7.5 +/-    3.42      16.7 +/-    3.42  0.030 / 0.040
G28     276.4          50.0                5.6 +/-    1.00       7.0 +/-    1.00  0.030 / 0.040
G30     335.8          63.6                4.8 +/-    0.46       5.3 +/-    0.46  0.050 / 0.060