PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-14:12:40
G07     37.7           69.7               10.2 +/-    0.97      10.8 +/-    0.97  0.040 / 0.060
G08     54.5           43.2                8.0 +/-    0.53      11.0 +/-    0.53  0.050 / 0.050
G09     177.7          40.0               11.0 +/-    2.40      16.0 +/-    2.40  0.070 / 0.140
G11     122.9          32.5                9.8 +/-    0.98      16.3 +/-    0.98  0.080 / 0.110
G18     107.9          14.3                9.7 +/-    1.19      24.6 +/-    1.19  0.150 / 0.350
G23     159.9          10.4                9.4 +/-    4.47      26.1 +/-    4.47  0.160 / 0.410
G27     38.0           11.0                8.6 +/-    1.69      23.5 +/-    1.69  0.030 / 0.040
G28     269.2          50.3               10.5 +/-    0.99      13.1 +/-    0.99  0.030 / 0.040
G30     327.3          56.3                8.9 +/-    1.20      10.5 +/-    1.20  0.050 / 0.080