PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/29-03:57:50
G02     43.9           45.5                3.5 +/-    1.17       4.6 +/-    1.17  0.050 / 0.040
G05     107.1          68.8                4.3 +/-    0.82       4.6 +/-    0.82  0.060 / 0.040
G06     58.9           11.0                3.8 +/-    2.00      10.4 +/-    2.00  0.030 / 0.030
G12     193.2          57.2                4.5 +/-    0.43       5.2 +/-    0.43  0.030 / 0.040
G25     273.0          59.1                7.5 +/-    2.17       8.6 +/-    2.17  0.030 / 0.030
G29     318.6          41.9                3.3 +/-    0.84       4.6 +/-    0.84  0.030 / 0.030