PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-21:58:00
G01     102.7          27.2               13.7 +/-    1.40      25.4 +/-    1.40  0.030 / 0.040
G07     114.7          50.3               13.5 +/-    0.49      17.0 +/-    0.49  0.040 / 0.040
G08     41.4           15.5                7.7 +/-    2.38      19.0 +/-    2.38  0.080 / 0.050
G09     174.4          11.0               17.5 +/-    4.22      47.8 +/-    4.22  0.050 / 0.080
G11     81.3           42.5               12.0 +/-    2.63      16.8 +/-    2.63  0.310 / 0.450
G13     306.0          31.7               11.2 +/-    1.65      18.9 +/-    1.65  0.260 / 0.400
G17     206.4          43.5               14.8 +/-    1.23      20.4 +/-    1.23  0.080 / 0.130
G18     72.8           23.7               10.9 +/-    1.04      22.0 +/-    1.04  0.080 / 0.130
G28     318.0          60.4               10.8 +/-    1.03      12.3 +/-    1.03  0.100 / 0.210
G30     46.4           79.6               12.4 +/-    0.73      12.6 +/-    0.73  0.130 / 0.240