PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-03:12:30
G10     279.3          45.6               10.0 +/-    1.33      13.3 +/-    1.33  0.060 / 0.040
G15     50.5           39.4                7.2 +/-    0.79      10.6 +/-    0.79  0.060 / 0.050
G20     319.0          63.7                8.2 +/-    0.59       9.0 +/-    0.59  0.080 / 0.190
G21     37.0           76.5                9.0 +/-    0.57       9.2 +/-    0.57  0.080 / 0.150
G24     111.7          20.0                9.5 +/-    0.99      20.8 +/-    0.99  0.070 / 0.080
G27     313.7          25.5                7.5 +/-    1.58      14.6 +/-    1.58  0.070 / 0.060
G29     167.1          19.2                9.0 +/-    1.22      20.1 +/-    1.22  0.040 / 0.060
G32     206.5          16.0               12.7 +/-    1.22      30.9 +/-    1.22  0.030 / 0.060