PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/28-03:12:40
G08     314.0          16.2                8.9 +/-    2.58      21.4 +/-    2.58  0.040 / 0.050
G10     328.6          59.6                8.5 +/-    1.20       9.6 +/-    1.20  0.030 / 0.050
G14     216.0          27.5               11.5 +/-    3.08      21.3 +/-    3.08  0.060 / 0.080
G15     46.4           12.2                5.9 +/-    2.01      15.7 +/-    2.01  0.060 / 0.070
G20     31.0           61.6                8.7 +/-    0.61       9.7 +/-    0.61  0.030 / 0.030
G21     130.8          60.5               11.7 +/-    0.72      13.2 +/-    0.72  0.020 / 0.030
G24     78.0           30.2                8.5 +/-    0.98      14.8 +/-    0.98  0.090 / 0.170
G27     280.2          37.7               10.4 +/-    1.04      15.6 +/-    1.04  0.100 / 0.190
G32     220.2          47.1               11.7 +/-    0.58      15.3 +/-    0.58  0.160 / 0.280