PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/02-21:27:50
G10     278.9          45.6               11.4 +/-    1.05      15.2 +/-    1.05  0.080 / 0.060
G15     51.5           41.7                9.5 +/-    0.80      13.5 +/-    0.80  0.080 / 0.060
G20     319.5          63.9               11.1 +/-    0.86      12.2 +/-    0.86  0.190 / 0.150
G21     30.8           76.3               11.2 +/-    0.66      11.5 +/-    0.66  0.090 / 0.170
G24     113.5          19.6               13.1 +/-    1.45      29.2 +/-    1.45  0.110 / 0.240
G27     313.7          25.7                9.9 +/-    1.88      19.1 +/-    1.88  0.110 / 0.220
G29     168.0          21.7               13.6 +/-    1.38      28.6 +/-    1.38  0.080 / 0.190
G32     205.6          17.9               14.3 +/-    2.86      33.2 +/-    2.86  0.080 / 0.200