PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/11-21:43:10
G08     315.3          15.8               11.3 +/-    4.39      27.6 +/-    4.39  0.070 / 0.110
G10     315.2          56.5               14.9 +/-    0.72      17.5 +/-    0.72  0.070 / 0.110
G14     214.1          24.2               25.6 +/-    2.65      51.0 +/-    2.65  0.040 / 0.050
G15     45.6           17.6               10.3 +/-    1.06      24.0 +/-    1.06  0.040 / 0.050
G18     24.4           62.6               14.2 +/-    0.52      15.8 +/-    0.52  0.060 / 0.080
G20     79.9           10.7               12.7 +/-    2.17      34.9 +/-    2.17  0.040 / 0.100
G21     124.2          62.5               18.0 +/-    0.42      20.0 +/-    0.42  0.090 / 0.470
G24     85.5           30.0               16.5 +/-    1.04      28.9 +/-    1.04  0.080 / 0.430
G27     284.1          38.0               16.3 +/-    1.08      24.5 +/-    1.08  0.040 / 0.070
G32     217.5          40.7               22.3 +/-    1.00      32.0 +/-    1.00  0.040 / 0.070