PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/25-17:27:50
G05     51.8           12.7                7.8 +/-    1.59      20.4 +/-    1.59  0.040 / 0.060
G10     242.7          19.9               12.6 +/-    1.67      27.9 +/-    1.67  0.040 / 0.060
G13     63.6           34.1                9.7 +/-    0.88      15.7 +/-    0.88  0.110 / 0.760
G15     113.5          57.4               10.6 +/-    0.41      12.4 +/-    0.41  0.120 / 0.500
G16     305.5          14.8                6.4 +/-    2.18      16.1 +/-    2.18  0.070 / 0.120
G20     257.7          44.0                8.6 +/-    2.12      11.8 +/-    2.12  0.060 / 0.130
G21     324.0          54.1                9.0 +/-    1.95      10.8 +/-    1.95  0.090 / 0.120
G26     278.4          18.6                9.3 +/-    1.62      21.2 +/-    1.62  0.090 / 0.130
G29     160.6          61.2               12.1 +/-    0.78      13.6 +/-    0.78  0.030 / 0.040