PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/24-23:57:40
G02     199.8          20.4               11.1 +/-    2.37      24.2 +/-    2.37  0.090 / 0.130
G06     175.5          49.2               11.4 +/-    0.86      14.5 +/-    0.86  0.100 / 0.130
G13     227.1          14.0               10.9 +/-    3.18      27.9 +/-    3.18  0.350 / 0.630
G17     22.9           59.4                9.7 +/-    0.62      11.1 +/-    0.62  0.290 / 1.140
G19     318.4          71.3                9.3 +/-    0.99       9.7 +/-    0.99  0.050 / 0.070
G24     309.5          30.4               10.0 +/-    1.06      17.3 +/-    1.06  0.050 / 0.070
G28     83.9           43.4               11.1 +/-    0.61      15.3 +/-    0.61  0.040 / 0.030
G30     156.8          14.9               11.9 +/-    1.99      29.7 +/-    1.99  0.040 / 0.030