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                5.5 +/-    0.96       9.3 +/-    0.96  0.040 / 0.030
G07     135.9          33.0                8.7 +/-    1.24      14.3 +/-    1.24  0.040 / 0.030
G11     56.9           36.0                6.7 +/-    1.39      10.4 +/-    1.39  0.030 / 0.030
G13     275.2          39.0                6.0 +/-    1.30       8.9 +/-    1.30  0.040 / 0.030
G15     301.3          16.3                2.6 +/-    1.69       6.3 +/-    1.69  0.050 / 0.110
G17     228.3          68.4                8.2 +/-    0.95       8.8 +/-    0.95  0.050 / 0.110
G19     221.7          42.8                8.7 +/-    1.66      12.1 +/-    1.66  0.110 / 0.220
G28     357.8          61.5                6.0 +/-    0.40       6.7 +/-    0.40  0.160 / 0.240
G30     133.8          68.1                8.9 +/-    0.55       9.6 +/-    0.55  0.040 / 0.060