PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-15:28:10
G08     320.8          11.1              -10.1 +/-   31.26     -27.6 +/-   31.26  0.070 / 0.080
G10     306.7          55.4                6.8 +/-    1.22       8.1 +/-    1.22  0.080 / 0.080
G14     211.7          11.7               -1.0 +/-   22.05      -2.7 +/-   22.05  0.160 / 0.350
G15     45.3           20.7                5.6 +/-    2.65      12.1 +/-    2.65  0.120 / 0.460
G20     11.5           64.0                6.9 +/-    0.49       7.6 +/-    0.49  0.040 / 0.040
G21     109.6          70.2                8.3 +/-    0.66       8.7 +/-    0.66  0.040 / 0.040
G24     94.5           28.3                7.9 +/-    1.40      14.4 +/-    1.40  0.190 / 0.330
G27     295.6          36.4                9.9 +/-    2.80      15.4 +/-    2.80  0.190 / 0.330
G32     211.6          38.1                9.7 +/-    0.98      14.5 +/-    0.98  0.040 / 0.040