PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/06-09:12:40
G10     260.3          34.8                4.9 +/-    1.99       7.8 +/-    1.99  0.060 / 0.100
G13     45.3           22.6                2.7 +/-    0.57       5.5 +/-    0.57  0.090 / 0.100
G15     66.6           52.5                4.7 +/-    0.25       5.7 +/-    0.25  0.120 / 0.330
G16     290.7          13.0                0.5 +/-    1.50       1.3 +/-    1.50  0.140 / 0.300
G20     286.2          57.3                4.9 +/-    0.84       5.7 +/-    0.84  0.190 / 0.300
G21     359.2          69.5                3.9 +/-    0.73       4.2 +/-    0.73  0.130 / 0.300
G24     123.9          10.6              -10.2 +/-   33.02     -28.0 +/-   33.02  0.060 / 0.080
G26     263.3          10.9                3.1 +/-    2.87       8.6 +/-    2.87  0.060 / 0.100
G27     321.9          11.7               -0.4 +/-   21.21      -1.1 +/-   21.21  0.040 / 0.040
G29     164.0          33.5                7.4 +/-    1.30      12.0 +/-    1.30  0.050 / 0.040