PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/01-19:27:50
G10     278.2          45.4                9.2 +/-    1.01      12.3 +/-    1.01  0.070 / 0.130
G15     51.3           40.9                9.2 +/-    0.73      13.2 +/-    0.73  0.070 / 0.130
G20     320.0          64.1                8.6 +/-    1.09       9.5 +/-    1.09  0.060 / 0.040
G21     29.4           76.0               10.3 +/-    0.49      10.6 +/-    0.49  0.050 / 0.040
G24     114.4          19.3               11.9 +/-    1.14      26.6 +/-    1.14  0.130 / 0.180
G27     314.0          25.5                8.6 +/-    1.80      16.6 +/-    1.80  0.080 / 0.170
G29     168.1          22.7               11.6 +/-    0.95      23.9 +/-    0.95  0.050 / 0.060
G32     205.3          18.0               12.1 +/-    1.30      27.9 +/-    1.30  0.050 / 0.050