PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/28-23:58:10
G02     201.1          28.3               10.3 +/-    1.23      18.7 +/-    1.23  0.070 / 0.080
G06     172.6          58.2                9.6 +/-    0.63      11.1 +/-    0.63  0.080 / 0.080
G17     30.7           53.3                8.0 +/-    0.61       9.7 +/-    0.61  0.060 / 0.090
G19     343.5          69.0                7.2 +/-    0.57       7.7 +/-    0.57  0.050 / 0.080
G24     303.3          35.5                9.1 +/-    1.60      14.4 +/-    1.60  0.040 / 0.030
G28     92.9           38.9                9.2 +/-    1.31      13.6 +/-    1.31  0.040 / 0.030