PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/12-21:42:30
G08     314.3          16.5               10.5 +/-    2.42      25.1 +/-    2.42  0.030 / 0.040
G10     317.5          57.1                8.2 +/-    0.59       9.6 +/-    0.59  0.030 / 0.040
G14     214.7          25.5               15.6 +/-    3.42      30.1 +/-    3.42  0.050 / 0.080
G15     45.8           16.4                9.4 +/-    1.12      22.6 +/-    1.12  0.070 / 0.080
G18     27.1           62.0                9.6 +/-    0.77      10.7 +/-    0.77  0.060 / 0.110
G21     126.1          61.2               11.7 +/-    0.83      13.1 +/-    0.83  0.060 / 0.130
G24     83.9           30.2               11.1 +/-    0.73      19.3 +/-    0.73  0.040 / 0.050
G27     282.3          38.1               10.3 +/-    1.11      15.4 +/-    1.11  0.040 / 0.050
G32     218.4          42.1               11.7 +/-    1.93      16.4 +/-    1.93  0.040 / 0.070