PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-14:42:50
G01     106.3          26.0                8.9 +/-    1.15      16.9 +/-    1.15  0.020 / 0.030
G07     108.1          57.8                8.9 +/-    0.41      10.3 +/-    0.41  0.020 / 0.030
G08     41.8           19.4                6.3 +/-    1.09      14.2 +/-    1.09  0.070 / 0.120
G09     173.8          11.8                9.2 +/-    0.83      24.8 +/-    0.83  0.080 / 0.120
G11     87.3           42.7                8.1 +/-    0.47      11.3 +/-    0.47  0.040 / 0.080
G13     308.9          29.3                8.0 +/-    1.54      14.3 +/-    1.54  0.040 / 0.080
G17     206.2          38.3               11.5 +/-    1.57      17.1 +/-    1.57  0.030 / 0.040
G18     79.3           24.3                7.9 +/-    0.52      15.6 +/-    0.52  0.030 / 0.050
G28     319.3          61.1                8.1 +/-    0.85       9.1 +/-    0.85  0.040 / 0.060
G30     23.6           78.4                8.4 +/-    0.65       8.5 +/-    0.65  0.040 / 0.060