PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-14:42:30
G10     246.9          25.6                8.6 +/-    1.16      16.5 +/-    1.16  0.300 / 0.570
G13     57.0           30.8                8.4 +/-    1.43      14.4 +/-    1.43  0.230 / 0.520
G15     90.0           56.6                9.5 +/-    0.64      11.1 +/-    0.64  0.040 / 0.040
G16     299.2          16.0                2.2 +/-    6.58       5.2 +/-    6.58  0.030 / 0.040
G20     266.8          50.6                9.1 +/-    3.12      11.4 +/-    3.12  0.050 / 0.050
G21     330.0          57.3                7.9 +/-    0.59       9.2 +/-    0.59  0.040 / 0.040
G26     272.7          16.9                6.4 +/-    2.59      15.3 +/-    2.59  0.080 / 0.180
G29     162.3          56.3               10.9 +/-    0.80      12.8 +/-    0.80  0.200 / 0.170