PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/25-22:43:00
G01     113.8          21.1               10.2 +/-    1.14      21.8 +/-    1.14  0.030 / 0.030
G07     98.3           59.3               10.7 +/-    0.73      12.2 +/-    0.73  0.030 / 0.040
G08     42.6           24.7                8.6 +/-    1.56      16.9 +/-    1.56  0.100 / 0.200
G09     176.2          20.9               11.1 +/-    0.96      23.9 +/-    0.96  0.090 / 0.180
G11     96.8           42.0               10.5 +/-    0.85      14.9 +/-    0.85  0.040 / 0.050
G13     314.4          24.3                7.6 +/-    1.43      15.1 +/-    1.43  0.040 / 0.060
G17     202.0          32.2               10.9 +/-    1.19      18.3 +/-    1.19  0.130 / 0.210
G18     84.5           22.1                8.5 +/-    1.43      17.8 +/-    1.43  0.160 / 0.210
G28     297.4          57.4                9.2 +/-    1.12      10.6 +/-    1.12  0.110 / 0.080
G30     358.0          73.3                9.5 +/-    0.71       9.9 +/-    0.71  0.160 / 0.130