PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/07-18:13:10
G02     22.0           63.0                8.8 +/-    0.81       9.7 +/-    0.81  0.050 / 0.080
G05     150.8          54.7                9.8 +/-    0.51      11.7 +/-    0.51  0.060 / 0.070
G06     49.5           21.1                5.5 +/-    0.68      11.7 +/-    0.68  0.030 / 0.030
G12     218.2          76.4                8.5 +/-    0.72       8.7 +/-    0.72  0.030 / 0.040
G19     93.9           12.7                8.7 +/-    1.29      22.8 +/-    1.29  0.030 / 0.050
G25     306.9          46.9                7.5 +/-    1.28       9.8 +/-    1.28  0.030 / 0.050
G29     301.6          22.6                6.9 +/-    1.44      14.2 +/-    1.44  0.040 / 0.050