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JO7NFR Japan flag Japan

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JO7NFR since July 2005, its rigs FT5000MP, & IC-7100 on mobile, 1kw L-amp, 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.

2008年4SQ全部自作構築、約7年間で75・80mミックスで296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。 2015.1.16

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 296 (wrked297) ent. on Mar. 30. 2015. 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.

since May 2008 .   4SQ

June 2014 .TS590とFT1000MPは売却した。

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.



my voice 100-3000Hz monitor zoom LSB,FT-1000MP MARK-V Class A.


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 card have got FT5ZM 10 Aug.2014. 二ユーゲット効率が極めて悪い、ペディション歓迎。

I tried 40m 5A special only one year, it’s no good wind,  top 22m high , FB15db, FS20db  ra Γmatch ref stub match.


It's got fantastic  new entities  QSO.

It  was at  Okinawa trip  with  my  XYL  Mar.2014.

It’s one of  my granddaughter June 2014.

11.2.2014.         2.1years old.

11.2.2014.g-kid.        0.4years old.

It was 1970 at Tokyo Tanashi city my 25years old JA1KSJ, with 2EL Quad 10/15/20m.

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.

Add. I got TY1AA  80 CW (got FB card tnx)and  FT4TA 80 CW  new ent.

FT1000MP M-V sold   売却済み。                                               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 its had good result .この巻き方がベスト。


I  worked  80m  CW    EP6T   Jan.19.  Z19  2015,   

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 QSO tt 296  .


 Photo was Mar.30.2015, I’m  69 yaers old.


 66KV/6KV  7,500KVA×2  for   plant .






1849946 Last modified: 2015-04-06 09:12:34, 14125 bytes

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