PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-20:28:10
G02     219.0          63.2               11.9 +/-    0.91      13.1 +/-    0.91  0.060 / 0.080
G06     52.4           72.9               10.4 +/-    0.69      10.8 +/-    0.69  0.060 / 0.100
G12     318.4          36.4                8.6 +/-    1.09      13.2 +/-    1.09  0.080 / 0.360
G17     58.9           31.2                9.4 +/-    1.10      16.1 +/-    1.10  0.070 / 0.240
G19     43.3           46.4               10.0 +/-    0.52      13.2 +/-    0.52  0.040 / 0.050
G24     260.9          40.6               11.8 +/-    0.99      17.0 +/-    0.99  0.050 / 0.070
G28     123.1          16.1                9.8 +/-    1.96      23.8 +/-    1.96  0.040 / 0.090