PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/06-21:58:00
G13     62.4           33.1                8.6 +/-    1.20      14.1 +/-    1.20  0.030 / 0.050
G15     105.9          57.2               10.1 +/-    1.05      11.8 +/-    1.05  0.030 / 0.050
G16     305.1          15.0                7.7 +/-    2.28      19.2 +/-    2.28  0.060 / 0.130
G20     258.6          44.4               11.2 +/-    3.43      15.3 +/-    3.43  0.050 / 0.120
G21     322.9          52.9                9.1 +/-    0.38      11.1 +/-    0.38  0.030 / 0.040
G26     277.5          18.5               10.2 +/-    1.30      23.4 +/-    1.30  0.030 / 0.040
G29     159.6          60.6               11.1 +/-    0.45      12.6 +/-    0.45  0.130 / 0.420