PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-23:27:50
G01     40.4           15.5                7.9 +/-    2.28      19.4 +/-    2.28  0.120 / 0.260
G06     177.7          36.4               11.4 +/-    1.24      17.6 +/-    1.24  0.130 / 0.160
G13     236.1          21.9               11.4 +/-    1.92      24.1 +/-    1.92  0.040 / 0.050
G15     269.5          12.0               11.2 +/-    1.88      29.9 +/-    1.88  0.040 / 0.050
G17     7.0            69.0                8.1 +/-    0.54       8.7 +/-    0.54  0.030 / 0.030
G19     278.6          69.4                9.9 +/-    0.64      10.5 +/-    0.64  0.040 / 0.030
G24     315.5          21.4                7.1 +/-    3.27      15.1 +/-    3.27  0.080 / 0.160
G28     68.6           49.4                8.6 +/-    1.52      11.0 +/-    1.52  0.150 / 0.270
G30     154.6          26.1               10.5 +/-    2.55      20.0 +/-    2.55  0.080 / 0.130