PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-15:12:50
G03     192.6          27.2                8.2 +/-    2.84      15.2 +/-    2.84  0.110 / 0.250
G07     282.6          32.7                7.6 +/-    1.80      12.6 +/-    1.80  0.100 / 0.240
G08     149.2          20.7                9.8 +/-    2.02      21.2 +/-    2.02  0.060 / 0.130
G09     320.5          55.0                7.4 +/-    0.48       8.9 +/-    0.48  0.050 / 0.120
G16     45.3           44.4                7.2 +/-    0.58       9.8 +/-    0.58  0.030 / 0.030
G23     91.1           80.0                7.4 +/-    0.58       7.5 +/-    0.58  0.030 / 0.030
G26     42.9           16.1                6.6 +/-    2.42      16.1 +/-    2.42  0.060 / 0.060
G27     107.8          30.2               10.7 +/-    0.93      18.6 +/-    0.93  0.050 / 0.070