PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/10-20:27:50
G08     303.9          20.9               11.9 +/-    2.57      25.7 +/-    2.57  0.040 / 0.060
G10     352.3          62.2               11.0 +/-    0.75      12.3 +/-    0.75  0.040 / 0.060
G14     222.3          34.9               17.1 +/-    2.03      27.2 +/-    2.03  0.070 / 0.140
G20     54.2           55.5               11.9 +/-    0.57      14.1 +/-    0.57  0.070 / 0.110
G21     141.4          49.9               14.7 +/-    1.38      18.5 +/-    1.38  0.080 / 0.080
G24     66.5           29.5               10.6 +/-    0.72      18.8 +/-    0.72  0.070 / 0.090
G27     264.8          36.0               14.2 +/-    1.18      22.1 +/-    1.18  0.140 / 0.330
G32     231.0          61.0               15.0 +/-    0.42      16.9 +/-    0.42  0.120 / 0.290