PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/24-21:58:10
G01     80.2           32.9                9.0 +/-    1.41      14.9 +/-    1.41  0.050 / 0.070
G07     132.2          33.2               12.3 +/-    0.89      20.1 +/-    0.89  0.050 / 0.080
G11     58.8           35.1               10.0 +/-    1.19      15.8 +/-    1.19  0.070 / 0.100
G13     284.2          38.4               11.8 +/-    3.04      17.6 +/-    3.04  0.060 / 0.100
G15     308.8          13.4                8.6 +/-    2.84      22.3 +/-    2.84  0.030 / 0.040
G17     220.8          63.1               12.5 +/-    1.01      13.9 +/-    1.01  0.040 / 0.040
G18     53.5           20.0                8.3 +/-    2.45      18.2 +/-    2.45  0.110 / 0.100
G19     218.2          34.3               12.9 +/-    1.75      20.7 +/-    1.75  0.130 / 0.150
G28     356.3          61.5                9.8 +/-    0.55      11.0 +/-    0.55  0.030 / 0.020
G30     124.8          68.8               12.3 +/-    0.74      13.1 +/-    0.74  0.030 / 0.030