PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/12-22:43:00
G08     261.6          16.5               12.5 +/-    1.54      30.1 +/-    1.54  0.130 / 0.400
G10     69.2           56.2               12.4 +/-    0.64      14.6 +/-    0.64  0.120 / 0.330
G11     307.9          20.4                8.2 +/-    2.08      17.9 +/-    2.08  0.250 / 0.600
G14     276.6          68.3               11.2 +/-    0.63      11.9 +/-    0.63  0.250 / 0.580
G18     309.2          36.7               10.1 +/-    1.99      15.5 +/-    1.99  0.030 / 0.040
G20     99.4           33.8               11.6 +/-    1.03      18.9 +/-    1.03  0.030 / 0.040
G21     155.2          10.8               11.8 +/-    3.79      32.3 +/-    3.79  0.220 / 0.260
G27     230.0          13.5               11.9 +/-    1.73      30.7 +/-    1.73  0.220 / 0.400
G31     177.7          34.4               11.9 +/-    1.79      19.0 +/-    1.79  0.080 / 0.110
G32     354.1          71.7               10.3 +/-    0.36      10.8 +/-    0.36  0.050 / 0.120