PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/28-01:57:40
G02     259.6          79.7                8.1 +/-    0.45       8.2 +/-    0.45  0.070 / 0.100
G05     169.5          20.1                8.1 +/-    2.06      17.8 +/-    2.06  0.080 / 0.110
G06     38.7           59.0                6.0 +/-    0.76       6.9 +/-    0.76  0.060 / 0.040
G12     320.7          53.1                6.4 +/-    1.17       7.8 +/-    1.17  0.050 / 0.040
G17     74.5           18.7                5.6 +/-    2.23      12.8 +/-    2.23  0.160 / 0.320
G19     60.6           36.2                7.0 +/-    1.48      10.9 +/-    1.48  0.300 / 0.280
G24     239.2          32.1                8.5 +/-    0.78      14.3 +/-    0.78  0.070 / 0.060
G25     317.0          17.0                4.2 +/-    2.38       9.9 +/-    2.38  0.060 / 0.070