PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/25-06:28:10
G01     104.6          25.3                6.9 +/-    1.12      13.4 +/-    1.12  0.030 / 0.030
G07     107.7          57.2                6.8 +/-    0.54       7.9 +/-    0.54  0.030 / 0.020
G08     41.9           20.6                2.5 +/-    2.97       5.5 +/-    2.97  0.150 / 0.200
G09     173.2          11.8                4.5 +/-    6.23      12.1 +/-    6.23  0.140 / 0.260
G11     91.3           44.9                5.8 +/-    0.66       7.9 +/-    0.66  0.360 / 0.460
G13     308.6          30.2                5.2 +/-    1.26       9.1 +/-    1.26  0.240 / 0.390
G17     205.1          37.4                8.1 +/-    1.28      12.3 +/-    1.28  0.050 / 0.060
G19     207.9          15.4                5.5 +/-    5.33      13.6 +/-    5.33  0.040 / 0.080
G28     303.6          57.4                5.3 +/-    1.25       6.2 +/-    1.25  0.030 / 0.040
G30     9.7            77.6                5.6 +/-    1.42       5.7 +/-    1.42  0.030 / 0.030