PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-21:27:40
G02     290.2          81.2               11.3 +/-    0.64      11.5 +/-    0.64  0.150 / 0.360
G05     167.3          25.2               18.5 +/-    0.93      36.0 +/-    0.93  0.150 / 0.300
G06     39.4           50.0               10.2 +/-    0.68      12.8 +/-    0.68  0.030 / 0.030
G12     319.5          59.2               10.4 +/-    1.01      11.9 +/-    1.01  0.040 / 0.030
G17     77.9           17.3               11.3 +/-    1.46      26.5 +/-    1.46  0.080 / 0.170
G19     66.6           31.8               10.4 +/-    2.26      17.6 +/-    2.26  0.080 / 0.160
G24     235.6          28.7               17.1 +/-    2.18      30.8 +/-    2.18  0.050 / 0.050
G25     317.4          20.3                8.6 +/-    2.63      18.7 +/-    2.63  0.040 / 0.040