PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-20:57:40
G02     263.2          79.6                9.0 +/-    0.54       9.1 +/-    0.54  0.360 / 0.350
G05     169.1          21.2               12.8 +/-    2.30      27.4 +/-    2.30  0.300 / 0.320
G06     39.4           54.0                9.6 +/-    0.82      11.6 +/-    0.82  0.030 / 0.040
G12     320.6          54.9                8.0 +/-    1.17       9.5 +/-    1.17  0.040 / 0.030
G17     74.3           20.0                9.3 +/-    0.94      20.5 +/-    0.94  0.080 / 0.100
G19     62.5           34.4                9.0 +/-    0.76      14.5 +/-    0.76  0.100 / 0.110
G24     239.6          31.5               10.5 +/-    1.80      17.9 +/-    1.80  0.050 / 0.060
G25     317.1          16.4                8.7 +/-    2.88      20.8 +/-    2.88  0.040 / 0.050