PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/10-00:28:10
G02     220.1          65.4               12.1 +/-    0.63      13.2 +/-    0.63  0.040 / 0.100
G06     52.2           74.6                8.6 +/-    0.60       8.9 +/-    0.60  0.060 / 0.070
G12     318.7          37.1               10.1 +/-    1.79      15.4 +/-    1.79  0.040 / 0.080
G17     61.1           28.7               10.2 +/-    2.65      18.4 +/-    2.65  0.050 / 0.060
G19     43.8           46.4               -9.4 +/-    1.13     -12.5 +/-    1.13  0.040 / 0.030
G24     257.9          40.5               12.5 +/-    4.74      18.0 +/-    4.74  0.040 / 0.030
G28     124.1          14.2               13.1 +/-    1.63      33.2 +/-    1.63  0.160 / 0.270