PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/26-01:42:50
G02     199.6          17.9                6.0 +/-    1.44      14.0 +/-    1.44  0.070 / 0.100
G06     177.2          45.4                7.7 +/-    1.28      10.3 +/-    1.28  0.100 / 0.130
G13     229.0          15.6                7.3 +/-    2.11      17.8 +/-    2.11  0.070 / 0.080
G17     20.9           60.9                6.1 +/-    0.56       6.9 +/-    0.56  0.040 / 0.050
G19     308.0          71.3                5.0 +/-    0.47       5.3 +/-    0.47  0.040 / 0.030
G24     310.8          29.1                4.6 +/-    1.65       8.2 +/-    1.65  0.030 / 0.030
G28     81.2           44.4                5.4 +/-    0.74       7.4 +/-    0.74  0.050 / 0.060
G30     156.7          17.9                6.2 +/-    1.72      14.4 +/-    1.72  0.080 / 0.050