PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/04-20:28:10
G07     343.9          61.6               11.1 +/-    0.53      12.4 +/-    0.53  0.100 / 0.060
G08     92.7           51.5               13.4 +/-    0.68      16.5 +/-    0.68  0.070 / 0.080
G09     189.8          72.2               12.4 +/-    0.68      12.9 +/-    0.68  0.120 / 0.210
G11     143.1          15.3               13.1 +/-    3.10      32.4 +/-    3.10  0.110 / 0.140
G16     47.0           9.9                 8.4 +/-    4.01      23.5 +/-    4.01  0.030 / 0.030
G23     156.7          41.2               13.4 +/-    0.99      19.2 +/-    0.99  0.030 / 0.030
G27     55.2           32.4                9.5 +/-    1.18      15.9 +/-    1.18  0.040 / 0.050
G28     237.5          27.6               13.8 +/-    1.70      25.4 +/-    1.70  0.030 / 0.040
G30     303.5          36.5               11.2 +/-    1.67      17.3 +/-    1.67  0.050 / 0.050