PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/10-04:27:50
G01     68.1           31.5                4.1 +/-    0.98       7.0 +/-    0.98  0.030 / 0.030
G07     137.1          31.3                6.1 +/-    1.30      10.4 +/-    1.30  0.030 / 0.020
G11     55.4           34.8                4.7 +/-    1.09       7.5 +/-    1.09  0.160 / 0.270
G13     272.7          38.8                6.3 +/-    0.57       9.4 +/-    0.57  0.190 / 0.270
G15     299.6          16.7                2.4 +/-    2.22       5.6 +/-    2.22  0.090 / 0.140
G17     231.7          70.2                7.2 +/-    0.68       7.6 +/-    0.68  0.090 / 0.110
G19     223.1          44.6                7.7 +/-    1.90      10.4 +/-    1.90  0.070 / 0.050
G28     1.5            61.4                5.1 +/-    0.46       5.7 +/-    0.46  0.050 / 0.060
G30     136.3          66.2                7.4 +/-    0.29       8.0 +/-    0.29  0.040 / 0.030