PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/30-12:42:20
G02     31.6           56.0                3.5 +/-    0.94       4.2 +/-    0.94  0.030 / 0.030
G05     150.9          58.4                6.5 +/-    0.60       7.5 +/-    0.60  0.030 / 0.040
G06     52.4           16.4                3.3 +/-    2.05       7.9 +/-    2.05  0.030 / 0.040
G12     194.1          68.7                4.2 +/-    0.34       4.5 +/-    0.34  0.030 / 0.040
G25     300.2          51.6                4.2 +/-    1.27       5.2 +/-    1.27  0.040 / 0.060
G29     305.1          25.5                4.5 +/-    1.26       8.7 +/-    1.26  0.050 / 0.050