PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/02-00:57:50
G08     312.3          16.9                8.3 +/-    2.55      19.8 +/-    2.55  0.070 / 0.080
G10     336.1          60.7                7.9 +/-    0.80       9.0 +/-    0.80  0.090 / 0.080
G14     217.9          30.2               12.6 +/-    2.80      22.0 +/-    2.80  0.040 / 0.030
G20     38.3           60.2                9.7 +/-    1.09      11.0 +/-    1.09  0.040 / 0.030
G21     134.9          57.4               10.0 +/-    1.18      11.6 +/-    1.18  0.070 / 0.240
G24     74.2           30.3                8.7 +/-    0.32      15.1 +/-    0.32  0.070 / 0.200
G27     274.9          37.6               11.5 +/-    1.18      17.4 +/-    1.18  0.030 / 0.060
G32     223.1          52.0               11.4 +/-    1.75      14.0 +/-    1.75  0.030 / 0.060