PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/18-19:27:40
G08     314.2          16.3                8.4 +/-    2.09      20.2 +/-    2.09  0.050 / 0.080
G10     327.3          59.5                8.2 +/-    0.60       9.3 +/-    0.60  0.060 / 0.080
G14     215.8          23.2               10.4 +/-    1.80      21.2 +/-    1.80  0.150 / 0.300
G15     46.3           12.6                7.8 +/-    2.47      20.6 +/-    2.47  0.100 / 0.330
G20     33.1           60.9               11.4 +/-    0.68      12.8 +/-    0.68  0.040 / 0.050
G21     129.4          61.6               11.2 +/-    0.64      12.5 +/-    0.64  0.040 / 0.040
G24     80.8           30.7                8.2 +/-    0.87      14.2 +/-    0.87  0.240 / 0.250
G27     280.8          38.2               11.6 +/-    1.30      17.4 +/-    1.30  0.230 / 0.320
G32     218.9          49.2               11.6 +/-    1.76      14.8 +/-    1.76  0.060 / 0.100