PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-20:43:00
G01     320.1          16.0                8.8 +/-   15.72      21.3 +/-   15.72  0.190 / 0.450
G08     262.7          15.9               12.6 +/-    1.43      30.6 +/-    1.43  0.150 / 0.400
G10     73.5           53.9               11.0 +/-    0.32      13.2 +/-    0.32  0.040 / 0.050
G11     309.3          18.4               12.4 +/-    1.66      28.3 +/-    1.66  0.050 / 0.060
G14     273.4          66.2               10.4 +/-    0.63      11.3 +/-    0.63  0.210 / 0.420
G20     102.2          30.4               12.9 +/-    0.78      22.4 +/-    0.78  0.180 / 0.320
G21     156.0          10.2               13.3 +/-    1.33      36.9 +/-    1.33  0.210 / 0.540
G27     227.3          12.4               13.3 +/-    6.36      35.2 +/-    6.36  0.230 / 0.500
G31     176.3          37.0               13.9 +/-    1.82      21.2 +/-    1.82  0.180 / 0.380
G32     0.3            70.4               11.7 +/-    0.62      12.3 +/-    0.62  0.230 / 0.300