PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/07-04:27:40
G03     190.0          17.8                6.6 +/-    1.06      15.3 +/-    1.06  0.140 / 0.220
G07     296.1          41.8                6.0 +/-    1.66       8.4 +/-    1.66  0.110 / 0.210
G08     139.4          31.2                7.5 +/-    0.96      12.8 +/-    0.96  0.050 / 0.080
G09     319.9          69.9                4.0 +/-    1.57       4.2 +/-    1.57  0.040 / 0.090
G16     42.3           32.4                3.0 +/-    1.99       4.9 +/-    1.99  0.060 / 0.120
G23     129.1          74.1                5.3 +/-    0.73       5.5 +/-    0.73  0.060 / 0.110
G27     94.1           35.1                5.9 +/-    0.92       9.4 +/-    0.92  0.050 / 0.080
G30     276.7          13.8                5.0 +/-    2.01      12.7 +/-    2.01  0.060 / 0.070