PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/13-21:28:10
G05     52.4           9.5                 7.0 +/-    5.05      19.7 +/-    5.05  0.050 / 0.060
G10     242.9          21.4               14.2 +/-    1.90      30.2 +/-    1.90  0.040 / 0.060
G13     62.6           33.1                8.5 +/-    1.30      14.1 +/-    1.30  0.070 / 0.130
G15     106.6          57.2               10.8 +/-    0.73      12.5 +/-    0.73  0.060 / 0.140
G16     305.1          15.0                7.8 +/-    1.48      19.4 +/-    1.48  0.030 / 0.040
G20     258.6          44.5               11.3 +/-    3.40      15.4 +/-    3.40  0.030 / 0.050
G21     322.7          52.8                9.6 +/-    0.56      11.7 +/-    0.56  0.100 / 0.200
G26     277.5          18.5               10.0 +/-    1.34      22.8 +/-    1.34  0.170 / 0.140
G29     159.6          61.0               11.2 +/-    0.42      12.6 +/-    0.42  0.090 / 0.410