Aftermarket filters/IRC

jh4rhf at jh4rhf at
Mon Aug 14 12:44:13 EDT 1995

N4ZR wrote:

> Does anyone know:
> 1.  What the supplier situation is in Japan?
> 2.  What IRC's source is?
> 3.  Name/address of JA manufacturers of good crystal filters for the big
> three HF radios?
Ummm..... I've never heard of such Xtal filter manufacturer for a long time. I 
remember I ordered 250Hz filter for my old FT101 more than 10yrs ago. I do not 
know the name of any filter manufacturer.
If I find, I post later.  


Junichi Tanaka Ph.D. JH4RHF
e-mail: jh4rhf at
P.O.Box 61 Toyonaka, Osaka 560 JAPAN
ph:  +81-6-846-5927
fax: +81-6-846-0073

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