PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/25-14:57:30
G10     256.2          32.9                8.7 +/-    1.34      14.3 +/-    1.34  0.150 / 0.650
G13     47.9           24.9                6.8 +/-    1.74      13.4 +/-    1.74  0.160 / 0.470
G15     70.8           53.3                8.5 +/-    0.30      10.3 +/-    0.30  0.100 / 0.090
G16     288.9          15.4                3.2 +/-    2.31       7.9 +/-    2.31  0.080 / 0.100
G20     282.4          57.0               10.2 +/-    0.78      11.9 +/-    0.78  0.040 / 0.060
G21     343.7          64.5                6.2 +/-    0.95       6.8 +/-    0.95  0.040 / 0.060
G26     263.0          12.9                6.8 +/-    2.14      17.7 +/-    2.14  0.040 / 0.050
G29     165.5          44.5               10.5 +/-    1.32      14.2 +/-    1.32  0.040 / 0.060