PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/10-23:57:40
G02     210.0          52.8               11.6 +/-    0.66      14.2 +/-    0.66  0.100 / 0.150
G06     113.7          80.9               10.1 +/-    0.48      10.2 +/-    0.48  0.090 / 0.160
G12     314.4          26.2                8.3 +/-    1.79      15.8 +/-    1.79  0.050 / 0.060
G17     51.0           36.6                9.1 +/-    0.71      14.1 +/-    0.71  0.060 / 0.060
G19     29.0           54.5                9.3 +/-    1.36      11.1 +/-    1.36  0.140 / 0.140
G24     274.7          42.8                9.5 +/-    3.16      13.2 +/-    3.16  0.110 / 0.110
G28     115.3          23.4               12.5 +/-    2.30      25.3 +/-    2.30  0.040 / 0.050