PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/09-23:42:30
G05     50.9           11.8                6.3 +/-    1.92      16.9 +/-    1.92  0.090 / 0.160
G10     239.8          18.2               13.6 +/-    1.95      31.3 +/-    1.95  0.090 / 0.140
G13     67.5           34.4                9.3 +/-    2.01      14.8 +/-    2.01  0.060 / 0.070
G15     113.1          55.6               11.9 +/-    0.61      14.0 +/-    0.61  0.040 / 0.060
G16     309.8          13.7                7.7 +/-    1.78      19.8 +/-    1.78  0.070 / 0.090
G20     253.9          41.0               13.2 +/-    2.35      18.9 +/-    2.35  0.080 / 0.120
G21     318.8          50.3               10.3 +/-    0.69      12.9 +/-    0.69  0.030 / 0.030
G26     282.2          19.3                9.7 +/-    0.81      21.6 +/-    0.81  0.030 / 0.040
G29     156.8          64.7               11.0 +/-    0.25      12.1 +/-    0.25  0.110 / 0.320