HB9CV计算器
频率
λ
Mhz
Dir
λ/2*0.92
cm
Ref
λ/2
cm
Ec
λ/8
cm
esp
λ/200
cm
http://www.geneva-link.ch/mmanuel/antena%20hb9.html
L1
λ/2*0.30
cm
L2
λ/2*0.32
cm
50欧在长振子上
https://www.changpuak.ch/electronics/HB9CV.php
L1
λ/8
cm
L2
λ/8 + λ*0.01
cm
振子直径
λ*0.0072
cm
相线直径
λ*0.0036
cm
馈点电可以在长振子上也可以在短振子上
https://de.wikipedia.org/wiki/HB9CV-Antenne
L1
λ/8
cm
L2
λ/8
cm
馈电点在短振子上
图纸
1
2
λ/2
λ/2 · 0,92
λ/16
λ/16
λ/8
435Mhz:4pF, 145Mhz:12pF, 50Mhz:30pF, 28Mhz:56pF
https://www.hellocq.net/forum/read.php?tid=178154&ds=1#2131474
http://www.szham.org/forum/viewthread.php?tid=7769