PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-04:27:50
G01     70.3           31.8                6.2 +/-    0.50      10.5 +/-    0.50  0.030 / 0.030
G07     135.9          33.0                9.7 +/-    0.69      16.0 +/-    0.69  0.030 / 0.040
G11     56.9           36.0                3.9 +/-    0.70       6.0 +/-    0.70  0.040 / 0.090
G13     275.2          39.0                7.4 +/-    1.52      10.9 +/-    1.52  0.090 / 0.080
G15     301.3          16.3                1.4 +/-    2.68       3.4 +/-    2.68  0.050 / 0.100
G17     228.3          68.4                8.1 +/-    0.92       8.6 +/-    0.92  0.090 / 0.120
G19     221.7          42.8                9.8 +/-    1.22      13.6 +/-    1.22  0.060 / 0.110
G28     357.8          61.5                6.5 +/-    0.83       7.3 +/-    0.83  0.060 / 0.110
G30     133.8          68.1                8.3 +/-    0.81       8.9 +/-    0.81  0.060 / 0.070