PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/29-18:27:50
G08     318.6          13.0                8.3 +/-    1.22      21.7 +/-    1.22  0.070 / 0.090
G10     315.1          57.2               12.3 +/-    0.99      14.3 +/-    0.99  0.070 / 0.080
G14     213.2          16.6               16.1 +/-    2.89      38.6 +/-    2.89  0.070 / 0.150
G15     45.6           17.9                9.3 +/-    0.76      21.7 +/-    0.76  0.070 / 0.110
G20     19.9           63.1               11.5 +/-    0.32      12.7 +/-    0.32  0.040 / 0.050
G21     119.2          67.4               14.1 +/-    0.64      15.2 +/-    0.64  0.040 / 0.040
G24     88.8           29.7               12.9 +/-    0.72      22.8 +/-    0.72  0.110 / 0.280
G27     289.6          37.5                9.7 +/-    1.53      14.7 +/-    1.53  0.130 / 0.230
G32     214.4          42.6               14.9 +/-    1.95      20.8 +/-    1.95  0.120 / 0.220