PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-21:27:40
G02     223.2          66.9               11.5 +/-    0.72      12.3 +/-    0.72  0.040 / 0.060
G06     46.0           66.8               11.0 +/-    0.50      11.9 +/-    0.50  0.030 / 0.060
G12     320.8          44.0               10.5 +/-    0.69      14.3 +/-    0.69  0.060 / 0.070
G17     62.0           29.8               11.2 +/-    1.00      19.8 +/-    1.00  0.070 / 0.120
G19     45.1           46.3               10.9 +/-    0.69      14.5 +/-    0.69  0.020 / 0.020
G24     255.6          39.5               11.7 +/-    2.70      17.2 +/-    2.70  0.030 / 0.030