PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/22-01:42:50
G01     39.6           14.3                4.8 +/-    2.89      12.1 +/-    2.89  0.130 / 0.120
G02     199.1          10.9                2.0 +/-    7.63       5.4 +/-    7.63  0.080 / 0.170
G06     178.3          37.5                9.2 +/-    0.85      13.9 +/-    0.85  0.030 / 0.030
G13     234.8          20.6                8.4 +/-    2.30      18.1 +/-    2.30  0.030 / 0.030
G15     268.3          11.3                6.5 +/-    2.41      17.8 +/-    2.41  0.150 / 0.150
G17     11.3           67.0                7.4 +/-    0.96       8.0 +/-    0.96  0.230 / 0.200
G19     282.8          69.7                8.2 +/-    0.67       8.7 +/-    0.67  0.040 / 0.050
G24     314.5          23.5                6.0 +/-    1.92      12.1 +/-    1.92  0.040 / 0.060
G28     71.7           48.1                7.4 +/-    1.00       9.6 +/-    1.00  0.110 / 0.210
G30     155.3          25.2                8.3 +/-    2.55      16.2 +/-    2.55  0.090 / 0.240