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JO7NFR Japan flag Japan

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Ham Member Lookups: 15569

QSL image for JO7NFR

JO7NFR since July 2005, its rigs TS-590S ,FT-1000MP MRK-V & 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290 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  を確認していただいております。 2014.7.3

JO7NFR have confirmed QSL cards 75/80m mixed 290 (wrked291) ent. on 7. 3. 2014.

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



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.このDXハンドブックの日本語版はDXマガジン"Five Nine"社から頒布されております。

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.

                                              now 4SQ quadrature Hybrid network imp’34Ω,radial 20 pcs every poles on the ground

It’s about 12 meter length ( 0.6 x 1/4 ) radial, too long 1/4 λ.  I had arranged for  80m band  my 4SQ , 40m data Ed.N6LF. on the QST  , translated by CQ ham radio. And it’s no problem throught 75-80m. 

1970 at Tokyo Tanashi city,  25year’s old.  JA1KSJ


1111090 Last modified: 2014-07-18 05:41:00, 9337 bytes

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