PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/23-00:13:10
G01     105.2          26.6               10.3 +/-    1.41      19.3 +/-    1.41  0.040 / 0.050
G07     109.5          57.1               11.6 +/-    0.33      13.5 +/-    0.33  0.040 / 0.070
G08     42.1           21.0                8.2 +/-    2.65      17.7 +/-    2.65  0.060 / 0.140
G09     175.2          12.9               11.6 +/-    1.10      30.4 +/-    1.10  0.060 / 0.140
G11     90.3           43.6               12.7 +/-    1.16      17.5 +/-    1.16  0.190 / 0.300
G13     308.6          29.1                9.7 +/-    0.60      17.3 +/-    0.60  0.160 / 0.140
G17     207.3          38.1               12.7 +/-    0.79      19.1 +/-    0.79  0.090 / 0.080
G19     209.6          14.9               12.8 +/-    1.94      32.0 +/-    1.94  0.050 / 0.070
G28     323.1          61.4                9.6 +/-    0.75      10.7 +/-    0.75  0.100 / 0.140
G30     55.5           78.1               11.6 +/-    0.99      11.8 +/-    0.99  0.110 / 0.120