PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-03:58:10
G01     75.0           32.0                6.0 +/-    0.96      10.1 +/-    0.96  0.030 / 0.020
G07     133.3          36.7                8.4 +/-    0.71      12.8 +/-    0.71  0.030 / 0.030
G11     60.6           38.7                6.2 +/-    0.60       9.3 +/-    0.60  0.080 / 0.240
G13     280.4          39.2                4.8 +/-    3.27       7.1 +/-    3.27  0.090 / 0.250
G15     304.7          15.5                2.0 +/-    1.27       4.9 +/-    1.27  0.050 / 0.090
G17     222.6          64.8                7.8 +/-    0.65       8.6 +/-    0.65  0.040 / 0.070
G19     218.9          39.1                6.7 +/-    1.28       9.9 +/-    1.28  0.050 / 0.050
G28     349.7          61.5                4.9 +/-    0.57       5.5 +/-    0.57  0.070 / 0.060
G30     127.5          72.0                7.8 +/-    0.42       8.1 +/-    0.42  0.100 / 0.080