PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-21:58:10
G01     319.7          15.6                9.5 +/-    1.26      23.2 +/-    1.26  0.300 / 0.500
G08     259.1          14.5               14.3 +/-    1.43      36.1 +/-    1.43  0.290 / 0.510
G10     74.5           55.4                8.3 +/-    0.66       9.9 +/-    0.66  0.060 / 0.080
G11     305.2          22.2                8.5 +/-    2.06      17.8 +/-    2.06  0.050 / 0.080
G14     290.8          70.4                9.8 +/-    0.65      10.3 +/-    0.65  0.130 / 0.470
G18     99.8           30.1               11.3 +/-    0.76      19.8 +/-    0.76  0.120 / 0.390
G27     224.7          10.1               11.8 +/-   17.17      32.9 +/-   17.17  0.040 / 0.040
G31     179.7          35.9               13.5 +/-    1.61      21.1 +/-    1.61  0.020 / 0.020
G32     355.4          70.3                9.7 +/-    0.83      10.2 +/-    0.83  0.050 / 0.050