PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-20:28:10
G02     215.5          59.5               15.5 +/-    0.90      17.7 +/-    0.90  0.150 / 0.290
G06     62.0           76.2               11.9 +/-    0.47      12.2 +/-    0.47  0.120 / 0.220
G12     317.2          33.0               10.2 +/-    2.43      16.7 +/-    2.43  0.040 / 0.050
G17     55.8           33.4               11.0 +/-    1.50      18.0 +/-    1.50  0.040 / 0.040
G19     39.0           48.9               11.4 +/-    0.75      14.6 +/-    0.75  0.060 / 0.080
G24     265.9          41.6               15.6 +/-    1.24      22.2 +/-    1.24  0.070 / 0.080
G28     120.5          18.8               14.1 +/-    2.63      31.9 +/-    2.63  0.070 / 0.140