PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/30-15:27:50
G10     281.6          47.0                7.9 +/-    1.72      10.4 +/-    1.72  0.110 / 0.140
G15     49.0           36.1                7.4 +/-    0.98      11.5 +/-    0.98  0.100 / 0.080
G20     329.9          65.2                7.0 +/-    0.59       7.6 +/-    0.59  0.130 / 0.210
G21     45.7           76.6                7.6 +/-    0.90       7.8 +/-    0.90  0.120 / 0.210
G24     112.1          20.7                8.4 +/-    1.10      18.1 +/-    1.10  0.040 / 0.040
G27     312.1          27.5                5.0 +/-    1.50       9.3 +/-    1.50  0.040 / 0.040
G29     168.3          20.5                8.4 +/-    3.09      18.3 +/-    3.09  0.090 / 0.070
G32     205.6          21.2                8.5 +/-    1.76      18.2 +/-    1.76  0.080 / 0.060