PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/08-22:42:30
G02     228.1          70.7               10.5 +/-    0.46      11.1 +/-    0.46  0.270 / 0.390
G05     173.4          11.2                4.3 +/-   35.14      11.7 +/-   35.14  0.230 / 0.410
G06     43.6           67.4                9.2 +/-    0.56       9.8 +/-    0.56  0.060 / 0.100
G12     320.0          42.7                9.2 +/-    0.52      12.8 +/-    0.52  0.060 / 0.070
G17     65.3           26.0                8.5 +/-    2.03      16.2 +/-    2.03  0.030 / 0.050
G19     50.4           42.2               10.3 +/-    1.75      14.4 +/-    1.75  0.060 / 0.040
G24     251.5          38.0               11.0 +/-    1.54      16.5 +/-    1.54  0.040 / 0.030
G28     127.6          10.2               13.8 +/-    3.16      38.2 +/-    3.16  0.030 / 0.030