PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-23:57:40
G02     200.1          22.3                9.7 +/-    2.23      20.1 +/-    2.23  0.100 / 0.110
G06     174.9          51.3                9.5 +/-    1.08      11.7 +/-    1.08  0.100 / 0.070
G13     225.8          12.7                6.5 +/-   16.80      17.0 +/-   16.80  0.070 / 0.080
G17     24.8           57.9                8.6 +/-    0.84      10.0 +/-    0.84  0.070 / 0.060
G19     324.7          71.0                8.0 +/-    0.61       8.4 +/-    0.61  0.030 / 0.030
G24     308.2          31.7                8.5 +/-    1.55      14.4 +/-    1.55  0.040 / 0.040
G28     86.1           42.4                8.9 +/-    0.54      12.5 +/-    0.54  0.080 / 0.200
G30     157.0          13.1               10.2 +/-    1.76      26.4 +/-    1.76  0.230 / 0.280