PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/27-23:42:30
G02     199.7          19.2               13.9 +/-    1.40      31.1 +/-    1.40  0.070 / 0.110
G06     175.6          47.9               14.2 +/-    0.86      18.4 +/-    0.86  0.070 / 0.090
G13     228.0          14.8               13.0 +/-    1.47      32.6 +/-    1.47  0.350 / 0.370
G17     21.4           60.4               10.2 +/-    0.88      11.5 +/-    0.88  0.130 / 0.250
G19     314.2          71.4               10.9 +/-    0.78      11.4 +/-    0.78  0.040 / 0.060
G24     310.3          29.4                9.6 +/-    1.96      17.0 +/-    1.96  0.070 / 0.080
G28     82.3           44.1               11.4 +/-    1.01      15.5 +/-    1.01  0.040 / 0.030
G30     156.6          15.9               13.8 +/-    2.76      33.5 +/-    2.76  0.040 / 0.030