PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/10-17:57:40
G10     252.7          30.2               13.3 +/-    1.06      23.2 +/-    1.06  0.040 / 0.060
G13     50.9           27.3               11.4 +/-    1.79      21.1 +/-    1.79  0.030 / 0.060
G15     80.1           56.4               13.1 +/-    0.82      15.4 +/-    0.82  0.080 / 0.160
G16     292.7          15.8               10.4 +/-    3.76      25.4 +/-    3.76  0.070 / 0.210
G20     275.1          53.7               15.7 +/-    0.58      18.9 +/-    0.58  0.160 / 0.720
G21     336.7          61.2               14.4 +/-    0.71      16.2 +/-    0.71  0.150 / 0.820
G26     265.9          14.6               12.7 +/-    1.26      32.0 +/-    1.26  0.080 / 0.130
G29     164.5          48.4               17.2 +/-    0.71      22.2 +/-    0.71  0.080 / 0.130