PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/05-23:57:30
G10     301.2          53.7                8.3 +/-    1.52      10.0 +/-    1.52  0.060 / 0.090
G14     210.4          11.9                1.2 +/-   24.38       3.2 +/-   24.38  0.080 / 0.100
G15     45.9           26.7                6.5 +/-    2.05      12.3 +/-    2.05  0.040 / 0.040
G20     355.7          65.1                7.9 +/-    0.50       8.6 +/-    0.50  0.040 / 0.040
G21     98.8           73.9                8.9 +/-    0.56       9.2 +/-    0.56  0.110 / 0.470
G24     97.1           27.2                7.6 +/-    1.28      14.2 +/-    1.28  0.100 / 0.530
G27     299.7          34.7                8.4 +/-    1.11      13.4 +/-    1.11  0.120 / 0.170
G32     210.9          32.6                9.3 +/-    1.56      15.5 +/-    1.56  0.100 / 0.180