PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/28-15:57:40
G10     295.4          52.1                7.0 +/-    1.41       8.6 +/-    1.41  0.050 / 0.080
G15     46.0           27.4                6.1 +/-    1.44      11.4 +/-    1.44  0.060 / 0.080
G20     353.8          65.3                7.8 +/-    0.69       8.5 +/-    0.69  0.140 / 0.210
G21     87.5           75.0                8.1 +/-    0.45       8.3 +/-    0.45  0.190 / 0.240
G24     102.4          25.6                8.2 +/-    1.57      15.8 +/-    1.57  0.040 / 0.040
G27     303.6          33.3                7.0 +/-    1.80      11.4 +/-    1.80  0.040 / 0.030
G29     168.1          11.0                8.8 +/-    3.22      23.9 +/-    3.22  0.070 / 0.060
G32     208.6          30.8                8.9 +/-    1.10      15.4 +/-    1.10  0.080 / 0.050