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JO7NFR Japan flag Japan

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Ham Member Lookups: 17067


 Latest  new 80m   CW DX   QSO   was    VP8SGI .  DP&beva、4sq NG 東側山々. added 40m CW.

Latest  new DX  got  VP2ECC( DL9USA, I got QSL card tnx ),

SU90IARU(long time nothing QRV80m,I got QSL card tnx OM3CGN),

TZ4AM,got QSL card.

worked  tt 302e  confirmed  tt300e 80m .


JO7NFR since July 2005, its rigs FT5000MP, 1kw amp(official inspected SB2000 3-500Zx2), add SDR PERSEUS receiver,ant. 75/80m 4SQ ph vertical all hand made myself(also quadrature Hybrid network), receiving beverages and other's bands Dipole.

Condenser(Rode) and Ribbon(Made by JA3TQS) mic.

2008年4SQ全部自作構築、約8年間で75・80mミックスで300エンテティコンフアームした。ファイブナイン誌アワードにても   290  を確認済み。 2016.1.16

I THINK WEB SDR DX VERY BAD WAY. 根本を覆す方法で断じて賛成しがたい、私は絶対やらない。

JO7NFR have confirmed QSL cards 75/80m mixed 300 ent. on Feb. 7. 2016. The 59 DX AWARD have cfmed my QSL cards 75/80mix  290ent.  on  7.3.2014. cw only 270ent.

It's got these cards almost by SASE in several years .I will send to Email my QSL card with excel file from your request.My 4SQ system construt 19.5 meter high vertical 4 pole and every pole set one radial about 19ml 1.5mh(adjust) ,so after 2012 miner change grand radial way could be change any time and way 75m to tuning for 80m using loading coil relay controled. It's built up date on May 2008. This my ant. data had depended on the antennas and techniques book for Low-band DXing writingMr.John Devoldere ON4UN.And also JA1KSJ since 1962 to now (QTH Setagaya Tokyo) but was long term QRT in 1975-2002, and some times would be only here QRV JA1KSJ/M

S47東京田無、JA1KSJ,では、2EL QUAD10/15/20m,FTDX401,その後長期にQRT,2002年より郷里の実家猪苗代で再開。JARLは昨年退会

Editor JO7NFR  Front view is west toward. You can find out roof style up picture changed.

4SQ  since May 2008.   80/75m 4 vertical ant.phased  array.

June 2014 .TS-590 and FT-1000mp.  

This  room had rebuilt Aug 2012 . now nothing.この部屋は改修したので現在はなし、リニアアンプは別部屋。

Now 4SQ quadrature Hybrid network made imp’36Ω, put radial 20 pcs every poles on the ground

20pcs radial  every pole look at wire , and length set about 12meters. TT80pcs plus severl.

It's put radially on the ground.



I would be adjust HiFi SSB,   and check my TX frequency also split its.

my voice 100-3000Hz monitor zoom LSB


T200x2 HB network 36Ω    noproblem  1kw dummy power test. ph 0-90 deg. ok cheched.Every pole  feed coax are 50Ω foam.

T200x3 ph.0 to180 degree & D-RL

59 DX AWARD   75/80 MIX 290E, CW only 270E. confirmed.

It's my the most rare QSL cards sure 80m band.  TNX.


VP9  is the most difficult ent. from JA.


This QSO was  the first JA on 80m CW. 


Nealy QSL cards 80m CW only, please QRV ped.plan nonactive entities.

Latest confiremed QSL cards. 二ユーゲット効率が極めて悪い、ペディション歓迎。

It  was at  Okinawa trip  with  my  XYL  Mar.2014.  Did pray second world war the sprits dead soldiers and victims.

It was 1970 at Tokyo Tanashishi city QRV with 2EL CQ ant. 20/15/10m.  JA1KSJ.

I have lots of things to do,in order to get more new entitiy , I need much time but have no time,I expect to get DX pedisyon new one.

FT1000MP M-V sold。                                               2014.Oct.31. added FT5000MP      


also same date, 4SQ direction rely switch rebuilt ,its set more low space capacitiy, going up signal  retio FB before its.


New coil  had good result that I got FB 24dB to exchange these two coils .


I   got 80m CW  K1N   Feb.4. Z08  2015. 更に逆Vダイポールで40m CW ゲットした。

Ladder feeder for 40m DP, made 5CFB.    7メガDP用ハシゴフィーダー5CFBで自作、エレメントも同じ。

I got new entitiy cards,  80m CW  tt 299 .


 New 66KV/6KV  7,500KVA×2  for  plant since 2008.  I am power electric engineer.


March 3rd. 2015                                                                    May 5  2015

3 years old Oct. 2015 with candy. She say sometimes bye-bye end of my ssb qso, should be YL op future.  15.11.2015.


4.  Feb. 2016






7068357 Last modified: 2016-02-07 10:10:31, 15710 bytes

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Thu Feb 11 08:44:56 2016 UTC
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