PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/28-07:43:10
G10     260.8          35.2                8.0 +/-    1.88      12.6 +/-    1.88  0.040 / 0.040
G13     44.9           22.1                4.7 +/-    2.43       9.8 +/-    2.43  0.040 / 0.040
G15     65.6           52.0                5.0 +/-    1.50       6.2 +/-    1.50  0.090 / 0.080
G16     290.0          13.0                3.7 +/-    0.98       9.6 +/-    0.98  0.090 / 0.070
G20     287.1          57.5                6.3 +/-    1.65       7.3 +/-    1.65  0.120 / 0.240
G21     357.4          69.2                5.2 +/-    0.80       5.6 +/-    0.80  0.140 / 0.310
G24     124.0          10.9                1.6 +/-   18.70       4.5 +/-   18.70  0.100 / 0.230
G26     261.9          10.7                4.2 +/-    1.69      11.6 +/-    1.69  0.240 / 0.240
G27     321.7          12.3               -0.9 +/-   16.59      -2.5 +/-   16.59  0.240 / 0.220
G29     163.8          32.6                7.3 +/-    1.71      12.1 +/-    1.71  0.110 / 0.210