PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-01:12:30
G10     256.4          32.6               13.8 +/-    1.30      23.0 +/-    1.30  0.040 / 0.050
G13     47.8           24.9                8.9 +/-    0.56      17.3 +/-    0.56  0.040 / 0.050
G15     72.8           54.8               11.7 +/-    0.30      14.0 +/-    0.30  0.070 / 0.110
G16     290.6          14.7                9.5 +/-    1.66      23.9 +/-    1.66  0.070 / 0.130
G20     279.3          54.6               13.0 +/-    0.77      15.6 +/-    0.77  0.110 / 0.380
G21     342.7          64.3                9.3 +/-    0.79      10.2 +/-    0.79  0.150 / 0.390
G26     263.0          12.8               13.2 +/-    1.91      34.6 +/-    1.91  0.060 / 0.180
G29     164.6          41.5               14.0 +/-    1.65      19.9 +/-    1.65  0.060 / 0.200