PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/22-00:27:50
G02     201.1          28.4               -6.6 +/-    1.17     -11.9 +/-    1.17  0.100 / 0.100
G06     173.1          58.1                8.7 +/-    0.75      10.0 +/-    0.75  0.070 / 0.090
G17     31.1           53.0                6.5 +/-    1.05       8.0 +/-    1.05  0.060 / 0.080
G19     343.5          68.9                5.4 +/-    0.50       5.8 +/-    0.50  0.060 / 0.080
G24     303.1          35.7                7.7 +/-    1.76      12.1 +/-    1.76  0.040 / 0.030
G28     93.2           38.7                7.4 +/-    0.76      11.1 +/-    0.76  0.040 / 0.030