PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/16-19:27:50
G07     335.4          59.2               14.7 +/-    0.54      16.8 +/-    0.54  0.030 / 0.030
G08     102.4          50.3               16.0 +/-    0.62      20.1 +/-    0.62  0.040 / 0.030
G09     201.5          78.0               16.9 +/-    0.43      17.2 +/-    0.43  0.180 / 0.160
G11     146.7          11.9               19.4 +/-    1.70      51.9 +/-    1.70  0.180 / 0.170
G16     45.1           14.9               10.6 +/-    2.08      26.3 +/-    2.08  0.200 / 0.310
G23     154.7          46.7               17.7 +/-    1.00      23.2 +/-    1.00  0.210 / 0.350
G27     60.7           34.8               15.1 +/-    0.85      24.1 +/-    0.85  0.030 / 0.030
G28     233.5          23.0               18.6 +/-    1.49      38.1 +/-    1.49  0.030 / 0.020
G30     299.3          33.2               12.1 +/-    1.60      19.9 +/-    1.60  0.080 / 0.120