PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/24-07:57:50
G08     304.8          21.1                5.0 +/-    1.36      10.6 +/-    1.36  0.040 / 0.030
G10     345.0          61.6                1.7 +/-    0.56       1.9 +/-    0.56  0.030 / 0.030
G14     220.7          36.5                9.9 +/-    0.78      15.3 +/-    0.78  0.040 / 0.060
G20     47.6           57.9                1.9 +/-    0.51       2.2 +/-    0.51  0.050 / 0.060
G21     139.0          50.3                4.0 +/-    1.34       5.0 +/-    1.34  0.070 / 0.080
G24     66.9           28.7                1.5 +/-    0.63       2.6 +/-    0.63  0.090 / 0.100
G27     269.9          36.3                8.9 +/-    0.98      13.8 +/-    0.98  0.080 / 0.130
G32     227.5          52.5                9.3 +/-    0.80      11.4 +/-    0.80  0.060 / 0.140