PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/03-23:27:40
G02     20.1           65.5                8.9 +/-    0.61       9.6 +/-    0.61  0.020 / 0.020
G05     152.9          51.0               12.6 +/-    0.67      15.7 +/-    0.67  0.020 / 0.020
G06     47.9           24.7                9.1 +/-    2.06      17.8 +/-    2.06  0.040 / 0.040
G12     229.2          78.9               10.3 +/-    0.61      10.5 +/-    0.61  0.030 / 0.040
G19     89.1           18.9               10.9 +/-    1.52      24.5 +/-    1.52  0.130 / 0.120
G25     310.7          43.4               10.1 +/-    1.09      14.0 +/-    1.09  0.080 / 0.120
G29     298.0          18.3               10.5 +/-    3.01      24.2 +/-    3.01  0.050 / 0.060