PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/10-15:12:50
G10     298.2          53.0                6.7 +/-    1.71       8.2 +/-    1.71  0.050 / 0.070
G15     45.7           25.3                6.1 +/-    1.76      11.8 +/-    1.76  0.060 / 0.080
G20     359.1          65.1                6.2 +/-    0.42       6.8 +/-    0.42  0.060 / 0.070
G21     94.8           73.7                8.0 +/-    0.71       8.2 +/-    0.71  0.050 / 0.050
G24     100.4          26.4                9.1 +/-    1.05      17.3 +/-    1.05  0.030 / 0.030
G27     301.6          34.2                5.0 +/-    1.57       8.0 +/-    1.57  0.040 / 0.030
G32     209.2          32.7                8.6 +/-    1.79      14.2 +/-    1.79  0.080 / 0.120