PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/02-12:13:10
G02     71.1           22.1                4.7 +/-    0.72       9.8 +/-    0.72  0.030 / 0.050
G05     47.1           51.1                4.8 +/-    0.36       6.0 +/-    0.36  0.040 / 0.040
G12     179.8          17.8                4.2 +/-    1.54       9.7 +/-    1.54  0.080 / 0.230
G13     115.2          23.4                7.1 +/-    2.27      14.4 +/-    2.27  0.070 / 0.240
G15     153.6          24.9                7.4 +/-    1.71      14.4 +/-    1.71  0.080 / 0.170
G20     225.3          11.9               -1.9 +/-   18.65      -5.1 +/-   18.65  0.090 / 0.160
G21     283.1          25.7                8.4 +/-    2.02      16.1 +/-    2.02  0.030 / 0.040
G25     220.9          41.5                6.9 +/-    1.02       9.8 +/-    1.02  0.030 / 0.040
G29     337.3          66.5                4.1 +/-    0.92       4.4 +/-    0.92  0.060 / 0.150