PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/03-20:12:40
G01     306.1          34.2               11.3 +/-    1.04      18.2 +/-    1.04  0.030 / 0.040
G10     107.4          38.4               13.8 +/-    0.71      20.6 +/-    0.71  0.040 / 0.040
G11     278.7          28.4               13.4 +/-    1.55      24.3 +/-    1.55  0.080 / 0.100
G14     1.0            66.2               12.8 +/-    0.63      13.8 +/-    0.63  0.070 / 0.090
G20     121.3          13.0               13.5 +/-    1.93      35.1 +/-    1.93  0.130 / 0.170
G22     310.2          26.3               10.7 +/-    1.36      20.3 +/-    1.36  0.120 / 0.140
G25     75.4           15.6               13.6 +/-    2.39      33.3 +/-    2.39  0.150 / 0.160
G31     171.0          64.0               14.7 +/-    0.73      16.2 +/-    0.73  0.120 / 0.160
G32     36.9           52.0               12.6 +/-    0.90      15.5 +/-    0.90  0.030 / 0.020