PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/17-22:27:50
G10     275.8          44.1                9.1 +/-    0.67      12.5 +/-    0.67  0.090 / 0.160
G13     38.7           11.6                8.4 +/-    3.82      22.5 +/-    3.82  0.080 / 0.180
G15     52.9           43.3                7.8 +/-    0.65      10.8 +/-    0.65  0.050 / 0.070
G20     313.1          63.0                8.0 +/-    0.81       8.8 +/-    0.81  0.060 / 0.070
G21     21.5           75.3                8.6 +/-    0.82       8.8 +/-    0.82  0.040 / 0.040
G24     115.5          18.3               10.9 +/-    1.84      25.0 +/-    1.84  0.050 / 0.050
G27     315.3          23.9                5.8 +/-    2.43      11.7 +/-    2.43  0.190 / 0.670
G29     167.7          23.9               11.9 +/-    2.02      23.9 +/-    2.02  0.160 / 0.590
G32     205.2          15.2               15.6 +/-    4.43      38.6 +/-    4.43  0.120 / 0.280