PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/01-16:27:50
G10     252.7          30.3                8.4 +/-    1.26      14.7 +/-    1.26  0.050 / 0.050
G13     50.9           27.2                7.4 +/-    1.70      13.8 +/-    1.70  0.050 / 0.050
G15     78.5           55.7                8.5 +/-    0.65      10.0 +/-    0.65  0.140 / 0.740
G16     292.6          15.9                6.6 +/-    5.60      16.2 +/-    5.60  0.190 / 0.740
G20     275.7          54.3               11.2 +/-    0.62      13.4 +/-    0.62  0.080 / 0.130
G21     337.4          61.5                8.2 +/-    0.49       9.1 +/-    0.49  0.080 / 0.140
G26     266.1          14.5                8.4 +/-    1.28      21.2 +/-    1.28  0.040 / 0.050
G29     164.5          48.6                9.9 +/-    0.73      12.7 +/-    0.73  0.050 / 0.050