PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/25-15:57:40
G10     287.4          49.3                9.2 +/-    0.68      11.7 +/-    0.68  0.070 / 0.120
G15     47.4           32.5                6.6 +/-    0.65      11.0 +/-    0.65  0.060 / 0.080
G20     340.0          65.5                7.5 +/-    0.95       8.1 +/-    0.95  0.030 / 0.050
G21     64.3           76.7                9.5 +/-    0.61       9.7 +/-    0.61  0.040 / 0.040
G24     108.0          23.0               10.6 +/-    1.24      21.7 +/-    1.24  0.080 / 0.180
G27     308.7          30.2                8.8 +/-    2.07      15.3 +/-    2.07  0.130 / 0.150
G29     168.3          16.3               10.4 +/-    2.16      25.0 +/-    2.16  0.040 / 0.050
G32     206.7          25.3               11.2 +/-    2.69      21.7 +/-    2.69  0.040 / 0.040