[Moon] Tragedy of JA9BOH

Ingolf, SM6FHZ ingolf.fhz at gmail.com
Fri Feb 12 15:47:18 CET 2021


Very sad to hear about the tragic accident of JA9BOH. Things like that must
not happen.
My warmest condolences to his family and friends. What a shock to all of
his close ones.
He will be missed on EME.
Thanks for telling us all Mike.
73 / Ingolf, SM6FHZ


Den fre 12 feb. 2021 kl 15:30 skrev M. Watanabe via Moon <
moon at moonbounce.info>:

> A sudden tragic news came in:
> JA9BOH Kimio Maegawa passed away Feb. 11. He fell down during the antenna
> maintenance.
>
> Kimio is a retired professor of the national high techinical institute, as
> well as an enthusiastic EME operator since 1978, an amateur satellite and
> HF DX operator, and the present Vise-president of Japan Amateur Radio
> League.
> Kimio was a research crew of Japanese Antarctic Exploiters as a scientific
> researcher for atmospheric conditions using a large log-periodic antenna
> array. And he did not forget to operate 2m CW EME from 8J1RL Showa Base
> during his over-winter stay.
>
> Kimio introduced to JA, the K2RIW and W9QX UHF power amplifiers, and K2RIW
> yagis. Original BOH yagis are popular among JA moon-bouncers.
>
> Personally, Kimio was my teacher for amateur satellite communications
> since I operated AO-10 from Taiwan for the first time, during the our
> amateur deligates of BV0JA and BV0YL in 1984.
> Later in ‘90s, when I began EME activity, I was searching for some power
> tubes to use for my 70cm and 23cm operation. Kimio introduced cavity
> amplifiers. One was an airborne cavity using RCA rugged UHF tetrode 7213, a
> propper model for modification to 70cm, which was delivered from K5JL, and
> another one for 23cm of TH327 of DL9EBL, handled by DF6NA.
> That’s the initiation of my EME operation of the following years.
>
> And only a month before, he sent me many parts of 39D coaxial hard-lines,
> and bundles of his homebrew dried persimon.
>
> Seemingly, since Kimio is an willing 70cm CW EME operator, he must have
> intended to operate DUBUS/REF 70cm Contest CW and SSB only, which will be
> held next week.  That may be the reason why he climbed up the snow-covered
> rooftop for antenna maintenance.
>
> To prey for the sole of Kimio, we must participate DUBUS/REF 70cm, and
> remember our memories with him.
>
> Incidentally it is his birthday, today.
> R.I.P. and 73’es to Kimio, and heartful condolence to his family.
>
> Mike JH1KRC
>
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-- 
Ingolf, SM6FHZ
http://www.2ingandlin.se/SM6FHZ.htm


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