PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/16-16:12:30
G03     243.3          70.9                7.2 +/-    0.63       7.6 +/-    0.63  0.040 / 0.040
G09     300.1          13.9                6.0 +/-    2.53      15.4 +/-    2.53  0.040 / 0.040
G14     95.8           16.8                9.3 +/-    2.30      22.2 +/-    2.30  0.050 / 0.050
G16     144.1          52.2                9.5 +/-    0.52      11.6 +/-    0.52  0.040 / 0.050
G22     194.2          58.2                8.7 +/-    0.49      10.1 +/-    0.49  0.080 / 0.250
G23     314.7          44.3                6.9 +/-    0.80       9.4 +/-    0.80  0.090 / 0.210
G26     84.0           56.0                7.6 +/-    0.65       8.9 +/-    0.65  0.040 / 0.050
G31     49.3           25.3                6.7 +/-    1.83      13.1 +/-    1.83  0.040 / 0.040