PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/07-17:27:20
G10     298.0          52.9                8.7 +/-    1.54      10.6 +/-    1.54  0.040 / 0.050
G15     45.9           26.6                6.5 +/-    2.55      12.3 +/-    2.55  0.040 / 0.050
G20     356.7          65.2                8.0 +/-    1.92       8.7 +/-    1.92  0.060 / 0.100
G21     92.6           74.5                9.5 +/-    0.92       9.8 +/-    0.92  0.050 / 0.100
G24     100.5          26.4               12.1 +/-    1.04      23.0 +/-    1.04  0.040 / 0.050
G27     301.8          34.1                9.8 +/-    2.11      15.8 +/-    2.11  0.040 / 0.040
G32     209.3          32.3                7.8 +/-    1.49      13.0 +/-    1.49  0.090 / 0.190