Review: SOTAbeams LASERBEAM VARI variable audio filter
25:52
#182 Modification Yaesu FT-817: BHI DSP noise eliminating filter NEDSP1061
10:22
#243: Mini-review & test of a variable audio bandpass filter from SOTABeams
10:04
Review: Laserbeam digital audio filter from SOTA Beams (Pt 1)
16:29
Installing a Sotabeams Lazerbeam Filter in a Yaesu FT-817ND QRP Ham Radio
10:03
472 kHz com quase nenhuma antena (experimentos CW de 630 m)
23:46
RTL SDR HF Helper improves reception
11:51
Working QRP, LDG Z817 Tuner Review
8:00