PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/28-23:58:10
G02     292.8          81.6                7.0 +/-    0.70       7.1 +/-    0.70  0.140 / 0.320
G05     167.2          25.2               12.9 +/-    1.09      25.1 +/-    1.09  0.140 / 0.280
G06     39.0           51.8                8.1 +/-    0.67      10.0 +/-    0.67  0.090 / 0.140
G12     319.6          58.6                8.0 +/-    1.11       9.2 +/-    1.11  0.080 / 0.170
G17     78.4           16.3                8.2 +/-    1.42      19.8 +/-    1.42  0.040 / 0.040
G19     66.1           32.4                8.4 +/-    1.08      14.0 +/-    1.08  0.030 / 0.040
G24     235.0          28.7               11.7 +/-    1.09      21.1 +/-    1.09  0.080 / 0.120
G25     317.4          20.9                5.8 +/-    2.26      12.5 +/-    2.26  0.090 / 0.120