PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-22:12:40
G02     12.0           69.7               11.1 +/-    1.17      11.8 +/-    1.17  0.060 / 0.080
G05     157.3          45.2               15.7 +/-    1.56      21.2 +/-    1.56  0.060 / 0.100
G06     44.5           31.2                9.5 +/-    2.14      16.2 +/-    2.14  0.050 / 0.040
G12     282.3          77.9               11.4 +/-    0.73      11.6 +/-    0.73  0.050 / 0.040
G19     85.0           19.6               10.2 +/-    2.86      22.7 +/-    2.86  0.180 / 0.350
G24     220.0          14.8               16.8 +/-   17.10      42.0 +/-   17.10  0.170 / 0.370
G25     313.6          38.7               11.1 +/-    1.20      16.5 +/-    1.20  0.030 / 0.030
G29     294.9          17.5               13.4 +/-    1.70      31.4 +/-    1.70  0.030 / 0.050