PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/09-04:57:40
G01     89.1           31.9                8.6 +/-    1.12      14.4 +/-    1.12  0.120 / 0.160
G07     126.6          42.5               11.1 +/-    1.33      15.5 +/-    1.33  0.100 / 0.140
G11     65.7           38.5                6.8 +/-    0.41      10.2 +/-    0.41  0.030 / 0.030
G13     293.1          36.8                9.0 +/-    0.95      13.8 +/-    0.95  0.030 / 0.030
G17     214.2          57.4               11.7 +/-    1.22      13.6 +/-    1.22  0.050 / 0.060
G19     214.9          25.7                9.9 +/-    3.50      19.1 +/-    3.50  0.050 / 0.060
G28     346.3          61.8                8.2 +/-    1.00       9.1 +/-    1.00  0.040 / 0.040
G30     104.5          77.0                9.8 +/-    0.48      10.1 +/-    0.48  0.040 / 0.050