PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/10-01:57:40
G10     307.9          55.5                8.2 +/-    1.08       9.8 +/-    1.08  0.060 / 0.070
G14     211.5          16.4               11.5 +/-    1.45      27.6 +/-    1.45  0.050 / 0.070
G15     45.6           22.4                6.1 +/-    2.44      12.6 +/-    2.44  0.040 / 0.050
G20     5.3            64.7               10.2 +/-    0.63      11.2 +/-    0.63  0.040 / 0.070
G21     111.0          70.7               11.4 +/-    0.61      12.0 +/-    0.61  0.040 / 0.040
G24     91.9           28.5               19.5 +/-    0.80      35.3 +/-    0.80  0.040 / 0.040
G27     295.0          36.1                9.0 +/-    2.15      14.0 +/-    2.15  0.090 / 0.290
G32     213.0          36.0               12.1 +/-    1.90      18.8 +/-    1.90  0.120 / 0.310