PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/08-01:12:30
G02     259.6          79.7               11.2 +/-    0.40      11.4 +/-    0.40  0.100 / 0.130
G05     169.4          20.2               14.2 +/-    1.64      31.1 +/-    1.64  0.070 / 0.110
G06     38.9           58.3                8.8 +/-    0.59      10.1 +/-    0.59  0.060 / 0.040
G12     320.7          53.0               10.1 +/-    1.17      12.2 +/-    1.17  0.050 / 0.040
G17     74.3           18.9                9.4 +/-    1.69      21.1 +/-    1.69  0.280 / 0.320
G19     60.7           36.0               10.5 +/-    1.47      16.4 +/-    1.47  0.200 / 0.410
G24     239.4          32.2               13.5 +/-    1.57      22.7 +/-    1.57  0.090 / 0.070
G25     317.0          16.7                7.3 +/-    3.09      17.5 +/-    3.09  0.090 / 0.070