PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/01-19:43:10
G10     287.7          49.3                8.8 +/-    1.17      11.2 +/-    1.17  0.090 / 0.120
G15     47.9           34.6                8.2 +/-    0.63      13.1 +/-    0.63  0.080 / 0.090
G20     337.1          65.2                8.2 +/-    0.75       8.9 +/-    0.75  0.040 / 0.040
G21     61.4           77.2               11.2 +/-    0.86      11.4 +/-    0.86  0.060 / 0.040
G24     107.6          23.1               11.0 +/-    1.36      22.4 +/-    1.36  0.090 / 0.250
G27     308.5          30.2                9.9 +/-    1.85      17.2 +/-    1.85  0.090 / 0.220
G29     168.2          15.6               12.1 +/-    2.09      29.7 +/-    2.09  0.040 / 0.070
G32     207.1          24.9               10.1 +/-    2.99      19.7 +/-    2.99  0.040 / 0.060