PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/04-20:42:40
G07     308.8          47.2               11.3 +/-    1.01      14.8 +/-    1.01  0.110 / 0.170
G08     129.5          41.6               16.7 +/-    0.95      23.6 +/-    0.95  0.480 / 0.440
G09     297.8          79.3               11.1 +/-    0.43      11.3 +/-    0.43  0.040 / 0.060
G16     42.2           22.6                9.1 +/-    2.03      18.8 +/-    2.03  0.040 / 0.060
G23     145.3          59.3               15.3 +/-    0.48      17.4 +/-    0.48  0.050 / 0.050
G27     75.6           36.9               13.7 +/-    1.00      21.1 +/-    1.00  0.050 / 0.060
G28     225.3          14.9               15.2 +/-    3.86      37.9 +/-    3.86  0.150 / 0.220
G30     289.0          26.3                9.2 +/-    1.04      17.4 +/-    1.04  0.170 / 0.260