PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/28-22:57:30
G08     315.6          14.8                6.6 +/-    3.68      16.4 +/-    3.68  0.040 / 0.050
G10     328.0          59.6                7.5 +/-    0.45       8.5 +/-    0.45  0.040 / 0.050
G14     215.9          25.5               14.2 +/-    3.28      27.5 +/-    3.28  0.120 / 0.270
G15     46.3           14.0                6.8 +/-    2.86      17.2 +/-    2.86  0.150 / 0.230
G20     31.4           61.4                8.3 +/-    0.93       9.3 +/-    0.93  0.110 / 0.160
G21     130.1          61.6               10.5 +/-    0.68      11.8 +/-    0.68  0.210 / 0.280
G24     79.6           30.5                9.0 +/-    1.00      15.6 +/-    1.00  0.150 / 0.350
G27     280.4          38.0               11.3 +/-    1.33      16.9 +/-    1.33  0.180 / 0.380
G32     219.5          48.6               11.4 +/-    1.44      14.7 +/-    1.44  0.050 / 0.070