PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/08-16:12:30
G10     292.2          50.3               10.3 +/-    0.69      13.0 +/-    0.69  0.040 / 0.050
G15     47.2           33.0                7.8 +/-    0.32      12.9 +/-    0.32  0.040 / 0.050
G20     343.2          65.4               10.1 +/-    0.98      11.0 +/-    0.98  0.050 / 0.050
G21     89.6           73.7               12.8 +/-    0.76      13.3 +/-    0.76  0.040 / 0.050
G24     96.7           24.6               13.8 +/-    1.28      27.3 +/-    1.28  0.060 / 0.120
G27     306.4          30.7                8.4 +/-    0.96      14.6 +/-    0.96  0.070 / 0.150
G29     167.5          10.0               13.5 +/-    2.66      37.6 +/-    2.66  0.060 / 0.080
G32     209.1          27.4               10.5 +/-    2.26      19.5 +/-    2.26  0.060 / 0.100