PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/02-20:57:50
G10     298.9          52.4               11.0 +/-    1.26      13.5 +/-    1.26  0.100 / 0.610
G14     210.4          12.1               12.3 +/-   19.28      32.6 +/-   19.28  0.120 / 0.500
G15     46.6           31.6                9.2 +/-    0.74      15.6 +/-    0.74  0.060 / 0.120
G20     354.6          65.3                8.3 +/-    2.03       9.1 +/-    2.03  0.080 / 0.100
G21     99.7           73.2               12.3 +/-    0.80      12.7 +/-    0.80  0.040 / 0.050
G24     93.5           26.5               13.1 +/-    1.22      24.9 +/-    1.22  0.030 / 0.040
G27     300.7          33.8               10.4 +/-    1.01      17.0 +/-    1.01  0.090 / 0.160
G32     210.7          33.7               13.6 +/-    1.56      22.1 +/-    1.56  0.090 / 0.150