PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/19-19:58:00
G01     241.3          32.4               10.8 +/-    0.86      18.0 +/-    0.86  0.030 / 0.030
G03     315.1          47.9                9.8 +/-    1.00      12.7 +/-    1.00  0.030 / 0.040
G14     62.5           40.8               10.4 +/-    1.07      14.9 +/-    1.07  0.050 / 0.090
G16     158.5          23.9               11.1 +/-    2.61      22.2 +/-    2.61  0.050 / 0.090
G22     295.5          69.9                9.3 +/-    0.90       9.8 +/-    0.90  0.050 / 0.070
G23     290.6          22.4               11.1 +/-    2.37      23.1 +/-    2.37  0.050 / 0.050
G26     131.5          42.4               12.7 +/-    0.73      17.8 +/-    0.73  0.100 / 0.230
G31     40.9           53.6               10.1 +/-    0.61      12.2 +/-    0.61  0.100 / 0.250
G32     82.3           17.9               10.9 +/-    1.97      25.4 +/-    1.97  0.040 / 0.040