PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/22-17:27:30
G10     298.4          52.3                8.9 +/-    0.92      11.0 +/-    0.92  0.060 / 0.090
G14     210.1          12.4               11.2 +/-   17.47      29.6 +/-   17.47  0.050 / 0.100
G15     46.4           29.8                6.8 +/-    0.65      12.0 +/-    0.65  0.090 / 0.500
G20     353.6          65.3                7.1 +/-    1.01       7.7 +/-    1.01  0.110 / 0.510
G21     101.2          71.9                9.7 +/-    1.15      10.1 +/-    1.15  0.040 / 0.040
G24     92.6           26.1               10.2 +/-    0.95      19.4 +/-    0.95  0.040 / 0.040
G27     302.0          33.0                8.6 +/-    1.56      14.2 +/-    1.56  0.090 / 0.120
G32     210.7          32.0                9.3 +/-    1.54      15.7 +/-    1.54  0.180 / 0.150