PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/29-15:57:40
G10     298.2          52.9                7.6 +/-    1.90       9.2 +/-    1.90  0.060 / 0.080
G15     45.8           25.7                7.7 +/-    1.93      14.8 +/-    1.93  0.110 / 0.090
G20     358.3          65.1                8.1 +/-    1.57       8.8 +/-    1.57  0.040 / 0.030
G21     94.0           74.0                7.1 +/-    1.15       7.4 +/-    1.15  0.040 / 0.040
G24     100.4          26.4                8.5 +/-    1.76      16.1 +/-    1.76  0.040 / 0.060
G27     301.7          34.2                7.0 +/-    2.27      11.3 +/-    2.27  0.040 / 0.050
G32     209.3          32.6               11.2 +/-    1.76      18.7 +/-    1.76  0.160 / 0.150