PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/30-01:43:10
G10     273.2          42.7               11.7 +/-    1.25      16.3 +/-    1.25  0.040 / 0.040
G13     39.5           13.4                7.7 +/-    1.65      19.8 +/-    1.65  0.040 / 0.050
G15     53.9           43.9                8.6 +/-    0.38      11.8 +/-    0.38  0.110 / 0.150
G16     275.6          10.6                6.2 +/-    1.65      17.1 +/-    1.65  0.100 / 0.210
G20     307.7          62.1               10.5 +/-    1.29      11.7 +/-    1.29  0.080 / 0.060
G21     16.6           74.4               11.5 +/-    0.64      11.9 +/-    0.64  0.060 / 0.070
G24     116.6          17.1               11.5 +/-    1.92      27.2 +/-    1.92  0.120 / 0.570
G27     316.7          22.0                5.9 +/-    3.16      12.4 +/-    3.16  0.140 / 0.640
G29     167.0          24.8               12.3 +/-    1.16      24.1 +/-    1.16  0.080 / 0.200
G32     205.3          12.0                9.8 +/-   31.61      26.2 +/-   31.61  0.070 / 0.210