PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/26-00:12:50
G02     201.3          29.1               10.4 +/-    1.36      18.7 +/-    1.36  0.070 / 0.100
G06     172.5          58.9                9.5 +/-    0.36      10.9 +/-    0.36  0.080 / 0.090
G17     31.6           52.6                8.0 +/-    1.11       9.8 +/-    1.11  0.060 / 0.070
G19     345.4          68.6                7.1 +/-    0.49       7.5 +/-    0.49  0.050 / 0.080
G24     302.5          36.0                8.8 +/-    1.68      13.7 +/-    1.68  0.040 / 0.030
G28     93.8           38.4                9.3 +/-    1.55      13.9 +/-    1.55  0.040 / 0.030