PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/05-03:43:10
G10     283.0          47.2               11.1 +/-    1.39      14.6 +/-    1.39  0.040 / 0.040
G15     49.0           36.8                7.1 +/-    0.97      11.0 +/-    0.97  0.030 / 0.040
G20     325.7          64.4                9.4 +/-    0.33      10.3 +/-    0.33  0.050 / 0.070
G21     50.5           76.9                9.2 +/-    0.60       9.4 +/-    0.60  0.050 / 0.060
G24     108.9          21.5               10.4 +/-    1.16      22.2 +/-    1.16  0.090 / 0.120
G27     311.7          27.4               12.2 +/-    2.22      22.5 +/-    2.22  0.080 / 0.140
G29     167.0          16.1               10.8 +/-    1.44      26.1 +/-    1.44  0.040 / 0.070
G32     207.2          18.5               14.0 +/-    2.78      32.0 +/-    2.78  0.040 / 0.080