PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/01-22:28:00
G08     289.4          23.7               10.5 +/-    1.61      21.1 +/-    1.61  0.040 / 0.060
G10     13.3           63.0               11.0 +/-    0.68      12.2 +/-    0.68  0.040 / 0.050
G14     231.8          48.0               13.8 +/-    1.43      17.8 +/-    1.43  0.070 / 0.130
G18     317.6          12.9                8.3 +/-    2.04      21.8 +/-    2.04  0.070 / 0.130
G20     68.5           51.0               11.1 +/-    0.54      13.9 +/-    0.54  0.030 / 0.030
G21     147.7          37.7               12.4 +/-    0.90      18.7 +/-    0.90  0.030 / 0.030
G24     51.9           22.5                9.6 +/-    0.63      20.0 +/-    0.63  0.060 / 0.080
G27     253.4          30.5               11.5 +/-    1.16      19.9 +/-    1.16  0.060 / 0.070
G32     252.0          70.5               12.4 +/-    0.65      13.1 +/-    0.65  0.110 / 0.180