PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/13-02:43:00
G08     320.9          10.7              -14.0 +/-   23.81     -38.5 +/-   23.81  0.060 / 0.070
G10     304.9          54.1                9.6 +/-    0.87      11.6 +/-    0.87  0.050 / 0.070
G14     212.0          14.0               12.9 +/-    1.79      32.8 +/-    1.79  0.030 / 0.030
G15     45.8           25.7                8.4 +/-    2.61      16.2 +/-    2.61  0.030 / 0.030
G20     333.0          63.3               16.6 +/-    0.82      18.3 +/-    0.82  0.140 / 0.500
G21     109.2          71.7               11.4 +/-    0.79      11.9 +/-    0.79  0.240 / 0.510
G24     90.8           28.0               10.1 +/-    1.59      18.4 +/-    1.59  0.100 / 0.140
G27     294.8          36.0               10.2 +/-    2.71      15.9 +/-    2.71  0.090 / 0.090
G32     212.5          38.8               12.8 +/-    1.27      19.0 +/-    1.27  0.170 / 0.310