PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/09-05:28:10
G01     71.6           33.0                6.6 +/-    0.65      10.9 +/-    0.65  0.100 / 0.090
G07     136.8          29.6                9.6 +/-    0.85      16.9 +/-    0.85  0.060 / 0.090
G11     53.0           29.9                6.6 +/-    0.80      11.5 +/-    0.80  0.030 / 0.030
G13     274.9          38.1                9.7 +/-    1.15      14.6 +/-    1.15  0.030 / 0.040
G15     304.6          14.2                3.1 +/-    2.24       7.9 +/-    2.24  0.050 / 0.120
G17     232.8          71.4               11.8 +/-    0.77      12.4 +/-    0.77  0.060 / 0.120
G19     223.2          39.0               11.4 +/-    2.08      16.9 +/-    2.08  0.040 / 0.040
G28     14.2           60.2                8.1 +/-    0.34       9.2 +/-    0.34  0.030 / 0.040
G30     134.8          64.2               10.5 +/-    0.73      11.5 +/-    0.73  0.060 / 0.130