PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/07-15:42:50
G08     319.2          12.7                4.1 +/-    1.21      10.8 +/-    1.21  0.070 / 0.080
G10     311.1          56.4                4.6 +/-    1.02       5.5 +/-    1.02  0.060 / 0.080
G14     212.4          14.0                9.9 +/-    1.50      25.2 +/-    1.50  0.150 / 0.480
G15     45.4           18.4                5.3 +/-    0.49      12.2 +/-    0.49  0.230 / 0.520
G20     17.1           63.3                7.3 +/-    0.40       8.1 +/-    0.40  0.040 / 0.040
G21     115.3          68.3                7.5 +/-    0.49       8.0 +/-    0.49  0.040 / 0.050
G24     91.5           29.1                8.3 +/-    0.69      14.7 +/-    0.69  0.070 / 0.110
G27     292.4          37.1                7.1 +/-    0.79      10.8 +/-    0.79  0.070 / 0.120
G32     212.9          40.7                9.2 +/-    0.99      13.2 +/-    0.99  0.150 / 0.330