PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-21:12:30
G02     28.4           59.2               11.0 +/-    0.44      12.6 +/-    0.44  0.040 / 0.040
G05     144.0          59.3               14.1 +/-    0.63      16.1 +/-    0.63  0.030 / 0.040
G06     52.4           17.0                8.2 +/-    1.01      19.3 +/-    1.01  0.030 / 0.040
G12     196.4          69.6               11.3 +/-    0.66      12.0 +/-    0.66  0.030 / 0.050
G19     96.4           14.1               10.8 +/-    2.37      27.4 +/-    2.37  0.050 / 0.060
G25     301.4          51.4               10.4 +/-    1.33      12.9 +/-    1.33  0.040 / 0.050
G29     304.3          24.3               10.6 +/-    1.61      21.1 +/-    1.61  0.050 / 0.060