PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-04:28:00
G01     102.6          27.6                8.1 +/-    0.96      14.9 +/-    0.96  0.200 / 0.330
G07     114.1          52.7                7.9 +/-    0.78       9.6 +/-    0.78  0.170 / 0.260
G08     41.4           14.2                3.2 +/-    1.72       8.1 +/-    1.72  0.030 / 0.020
G11     80.5           42.1                7.9 +/-    1.09      11.2 +/-    1.09  0.020 / 0.020
G13     305.7          31.7                4.8 +/-    1.56       8.1 +/-    1.56  0.030 / 0.030
G17     206.6          45.0                8.6 +/-    0.67      11.6 +/-    0.67  0.030 / 0.030
G19     210.4          14.9                4.5 +/-    2.06      11.2 +/-    2.06  0.060 / 0.050
G28     322.2          61.0                5.4 +/-    0.75       6.1 +/-    0.75  0.050 / 0.040
G30     37.2           79.9                6.9 +/-    0.55       7.0 +/-    0.55  0.030 / 0.040