145 MHz Low Loss Bandpass Helical Filter by Mile Kokotov - Z33T
145 MHz Low Loss Bandpass Helical Filter by Mile Kokotov - Z33T
http://www.ok2kkw.com/more/more/z33t_bpf.png
https://youtu.be/jBNcTn9BEy0
Courtesy OK2KKW
PRZEJD NA FORUM