PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/25-18:27:20
G10     302.7          54.2               16.2 +/-    1.05      19.5 +/-    1.05  0.060 / 0.070
G15     45.6           24.5               12.4 +/-    0.88      24.6 +/-    0.88  0.060 / 0.100
G20     3.1            64.8               16.1 +/-    0.83      17.6 +/-    0.83  0.080 / 0.120
G21     101.9          73.0               17.9 +/-    0.37      18.7 +/-    0.37  0.080 / 0.140
G24     97.2           27.5               19.1 +/-    0.80      35.3 +/-    0.80  0.040 / 0.030
G27     298.5          35.4               15.7 +/-    1.22      24.8 +/-    1.22  0.040 / 0.050
G32     210.7          35.2               23.0 +/-    1.30      36.4 +/-    1.30  0.050 / 0.040