PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-13:58:10
G07     29.8           69.4                9.2 +/-    0.92       9.7 +/-    0.92  0.050 / 0.050
G08     57.1           45.0                8.0 +/-    0.59      10.8 +/-    0.59  0.040 / 0.050
G09     177.9          42.8               10.4 +/-    1.96      14.4 +/-    1.96  0.070 / 0.160
G11     125.4          30.9                9.9 +/-    1.00      17.0 +/-    1.00  0.070 / 0.140
G18     110.2          12.9               10.5 +/-    2.00      27.3 +/-    2.00  0.070 / 0.160
G23     159.9          13.0                9.1 +/-    2.22      23.9 +/-    2.22  0.080 / 0.140
G27     38.7           13.1                6.2 +/-    1.01      16.1 +/-    1.01  0.030 / 0.030
G28     265.5          48.7               10.2 +/-    1.10      13.1 +/-    1.10  0.030 / 0.040
G30     324.6          54.2                9.1 +/-    0.84      11.0 +/-    0.84  0.060 / 0.080