PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/31-01:27:40
G08     320.8          10.9              -12.4 +/-   32.87     -34.1 +/-   32.87  0.070 / 0.080
G10     304.0          53.9                8.8 +/-    1.82      10.6 +/-    1.82  0.080 / 0.080
G14     211.7          14.0               14.3 +/-    3.64      36.4 +/-    3.64  0.100 / 0.690
G15     45.9           26.9                5.9 +/-    1.68      11.0 +/-    1.68  0.160 / 0.700
G20     312.3          57.1                7.7 +/-    0.49       9.0 +/-    0.49  0.080 / 0.160
G21     107.4          72.2                8.7 +/-    0.82       9.1 +/-    0.82  0.070 / 0.100
G24     91.2           27.7                9.0 +/-    0.65      16.5 +/-    0.65  0.050 / 0.040
G27     295.7          35.8                9.3 +/-    0.78      14.5 +/-    0.78  0.040 / 0.040
G32     212.2          38.1               11.9 +/-    1.79      17.9 +/-    1.79  0.030 / 0.040