PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/19-23:27:40
G08     318.2          12.8                7.3 +/-    1.67      19.0 +/-    1.67  0.040 / 0.050
G10     322.2          58.6                9.8 +/-    0.86      11.2 +/-    0.86  0.040 / 0.050
G14     214.5          22.9               13.7 +/-    2.15      28.2 +/-    2.15  0.090 / 0.290
G15     46.0           16.4                7.3 +/-    0.82      17.5 +/-    0.82  0.140 / 0.300
G20     24.6           62.6                9.8 +/-    0.64      10.9 +/-    0.64  0.070 / 0.080
G21     125.9          64.4               11.4 +/-    0.59      12.5 +/-    0.59  0.080 / 0.080
G24     83.2           30.2               10.2 +/-    0.74      17.7 +/-    0.74  0.120 / 0.310
G27     284.5          37.9               10.9 +/-    1.03      16.5 +/-    1.03  0.120 / 0.230
G32     217.4          45.3               13.8 +/-    2.22      18.5 +/-    2.22  0.070 / 0.110