PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/21-21:12:50
G01     110.2          23.3               11.9 +/-    1.45      24.1 +/-    1.45  0.030 / 0.040
G07     105.0          55.9               12.6 +/-    0.71      14.8 +/-    0.71  0.030 / 0.040
G08     42.0           21.9                9.8 +/-    2.71      20.7 +/-    2.71  0.110 / 0.190
G09     175.9          17.8               13.1 +/-    2.03      30.4 +/-    2.03  0.070 / 0.180
G11     91.8           42.6               12.2 +/-    0.72      17.1 +/-    0.72  0.040 / 0.050
G13     311.9          27.0               10.7 +/-    1.84      19.9 +/-    1.84  0.040 / 0.050
G17     203.4          35.6               13.5 +/-    2.18      21.2 +/-    2.18  0.170 / 0.170
G18     81.1           23.0               10.2 +/-    1.15      20.8 +/-    1.15  0.160 / 0.240
G28     303.5          58.5               10.9 +/-    1.25      12.5 +/-    1.25  0.030 / 0.020
G30     11.8           76.4               11.7 +/-    0.89      12.0 +/-    0.89  0.030 / 0.020