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IZ7PDX Italy flag Italy

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QSL: I PREFER: LOTW > BUREAU >EQSL

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472-479 KhzSINCE 2013 A NEW GREAT ADVENTURE !

THANKS DEAR OM FOR YOUR VISIT ON MYQRZ.com WEBPAGE , WE HAVE A LOT OF PASSIONS IN COMMON!

SINCE I HAVE DISCOVERED THE MF BAND MY LIFESTYLE IS CHANGED !

I 'M SURE THAT YOU KNOW WHAT I MEAN ;-)

I WANT TO SHARE ALL THESE MY NEW EXPERIENCES WITH YOU, DO YOU HAVE ANY QUESTIONS? mail@iz7pdx.it

 

MF EQUIPMENT:

  • TX/RX on 472-479 kHz using a ICOM-706MKII as exciter, driving a home made 100 Watt power amplifier (1x IRF640), my ERP is about 800 milliWatt.
  • ALLUMINIUM INVERTED "L" ANTENNA 20 mt HIGH, 80 mt WIRE TOP LOAD (remote controlled by stepper motor with CAT system and Arduino).
  • Groundplane : 80 x 20-50 mtwire.
  • "Ultimate3 QRSSkit" as pc-les exciter for 630mt and 2200mt... coming soon!
  • MY NEW PROTOTIPE OF "SMART ANTENNA CONTROL" WITH ARDUINO...coming soon!
  • Antenna switch box, automatic or manual control, CAT, PARALLER, I2C AND SERIAL COMUNICATION, ANTENNA TUNER with customizable STEPPER/SERVO MOTOR DRIVER for INDUCTOR ROLLER and VARIABLE CAPACITOR AND MUCH MORE...
Ultimate3 QRSS kitcoming soon!

MF-LF CLAS "D" POWER AMPLIFIRE made by WORKGROUP EXPERIENCE with PIERO I4IJYhttp://digilander.libero.it/i4ijy/

SOON MORE NEWS !

THE ADVENTURE CONTINUES...

 

 

www.iz7pdx.it

 

 

IZ7PDX, BIOGRAPHY (English version).

 

I was born in Martina Franca on March 21,1973 , and since I was a child I developed an irresistible passion for the world of electronics and telecommunications.
The initial experience led me to disassemble all the electronic equipments (computers were not yet available to everyone) to understand how they worked.

When I was 10 years old I had my first radio Cb 27 MHz and this opened new horizons.
I graduated as master electrician and I studied engineering, but my interests were focused in the field of fashion photography and advertising so I lived in Milan for several years.

After so long I finally was able to take the amateur radio license and put all the experience accumulated in years of study and field research.

Several times I asked myself over the years, what was the meaning of our hobby, and if it had a certain utility!

The value that I give to the art of communicating with the radio (analogically or digital that is), is to establish a friendly contact with the world and to demonstrate correctness and a sense of ethics for our passion, which sometimes proves very useful in cases of serious natural disasters (see the recent earthquake in Abruzzo, Italy).

It is not a challenge for who possesses an expensive and highly performable station (with unlimited budget ), but the real challenge is the ability to obtain perfect performances using small investments, optimizing every detail and even developing the ability toIt is exciting to read new or old but still valid theory books that have not undergone substantial differences over the years in order to refine the design and capabilities to capitalize on the experiences of our big colleagues predecessors.

In conclusion I have found it very useful at the end of my formation as a radio amateur listening to small and large stations which have been a very constructive example to me. In spite of all the positive uses of our hobby, it often happens to listen in different frequencies many radio amateurs that demonstrate a high grade of rudeness and ignorance, but we know there is always black sheep!

I hope to connect all sooner or later!
73 Luigi D'Arcangelo IZ7PDX

 

My new homeberw 14 Element 3 Mono Band Yagi for 10-15-20 M

 

Elements total: 14
Active Element: 4 (OWA)/ 5 (OWA) / 5 (Open Sleeve)
Max. Elementlength: 11.05 m
Boomlength: 9 m
Turning Radius : 7.10
Feedlines number: 2 Coax 50 Ohm (20+10m/15m)
Weight: 65 Kg
Windload at 120 km/h :1,02 m²

 

MY FIRST CQWW SSB CONTEST,I USED THIS ANTENNA SYSTEM AND A LOT OF PASSION !

 

 

 

IQ7GC - A.R.I. Castellana Grotte

I like Radio Contesting and I'm a member of IQ7GC - Contest Team

By the way our mission is to share the passion for Ham Radio with pubblic events.

 

 

I like DXingand Ilove designing and building high-performance antennas for myself or other radioamateurs.

This is my last full-size 4 element Yagi for 20 meters band,8m boom...

 

The beam is supported with a12 meters tower byProsisteland rotated with Prosistel PST2051Drotator + "D" series digital control boxinterfaced withHam RadioDeluxesoftware inmy stationwith muchprofit .

The project is costantley evolving !

You can see here below ever then 5 elements for 21.200 Mhz, Jpole for 28.500 Mhz and a quarter wavelength G.P. for 3.650 Mhz.

MY RIG:

YAESU FT950 + FT857D + MD200

 

AMERITRON AL-811H ******************************** DAIWA CN-801HP &DAIWA CN-801V ************************* MFJ 949-E DELUXE VERSA TUNER II

 

4 ELEMENT FULL SIZE 20 M HOMEBREW YAGI ANTENNA (8 mt.long boom with indipendent coaxial cable)

5 ELEMENT FULL 15 M HOMBREW MONO-BAND YAGI ANTENNA(same boom but with indipendent coaxial cable)

JPOLE HOMEBREW VERTICAL ANTENNA FOR 10 M BAND (with indipendent coaxial cable)

INVERTED V FULL SIZE DIPOLE for 80M BAND(with indipendent coaxial cable)

HOME-MADE ALUMINIUM GROUND PLANE ANTENNA (20mhigh) WITH 70 RADIALS FOR 80-160 M BANDS(with indipendent coaxial cable)

DIAMOND X510 144/430 MHz VERTICAL ANTENNA(with indipendent coaxial cable)

 

12 METERS TOWER "T25C" SERIES by PROSISTEL + PST2051D PROSISTEL ROTATOR + DIGITAL CONTROL BOX "D" SERIES

 

 

I'am volunteering in civil protection E.R.A. BRINDISI

 

 

IZ7PDX, BIOGRAFIA (italian version).

 

Sono nato a Martina Franca il 21.03.1973, e sin da piccolo ho sviluppato una irrefrenabile passione verso il mondo dell'elettronica e delle telecomunicazioni.

Le prime esperienze mi portavano a smontare ogni dispositivo elettronico (i computer non erano ancora alla portata di tutti) per capire come funzionavano.

A 10 anni ho avuto la mia prima radio Cb 27 MHz e si sono aperti nuovi orizzonti.

Mi sono diplomato perito elettrotecnico e ho studiato ingegneria ma i miei interessi professionali si sono orientati nel settore della fotografia di moda e pubblicità e ho vissuto a Milano per diversi anni.

Dopo tanto tempo ho finalmente potuto prendere la patente di radio amatore e mettere in pratica tutta l'esperienza accumulata nei anni di studio e ricerca sul campo.

Più volte mi sono chiesto negli anni ,quale fosse il senso di questo nostro hobby, e se avesse una certa utilità !

Il valore che do all’arte di comunicare con la radio (in modo analogico o digitale che sia), è quello di istaurare un contatto amichevole con il mondo e dimostrare correttezza e senso deontologico per questa nostra passione, che a volte si rivela molto utile in caso di gravi disastri naturali (vedi il recente terremoto in Umbria, Italy).

Non certo è una sfida continua a chi possiede la stazione più costosa e performante (con bagdet di spesa illimitato) , ma la capacità di ottenere con piccoli investimenti le più ambite prestazioni, ottimizzando ogni particolare e sviluppando magari la capacità di predigere le performance di antenne e linee di collegamento con l’ausilio di software nell’autocostruzione.

Molto spesso si dispone di potenze enormi ma non si cura il progetto del ring, con conseguente disperdi mento di preziosi wat che non ottengono nessun guadagno in trasmissione (non parliamo poi in Rx)!

Il mio proposito è di investire un minimo sull’hardware per ottenere buone prestazioni da incrementare nel tempo.

È appassionante leggere nuovi o vecchi ma sempre validi libri di teoria che non hanno subito sostanziali differenze nel corso degli anni, al fine di affinare le capacità progettuali e far tesoro delle esperienze dei nostri saggi colleghi predecessori.

In ultimo ho trovato molto utile al fine della mia formazione di radioamatore, l’ascolto di piccole e grandi stazioni che sono state un esempio operativo non indifferente. Malgrado però, capita spesso di ascoltare in frequenza diversi “radio-amatori” che dimostrano un alto grado di maleducazione e ignoranza, ma si sa c’è sempre la pecora nera!

Spero di collegarvi tutti prima o poi!

Vy 73 de Luigi D’Arcangelo, IZ7PDX.

IZ7PDX - QSO MAP

: : : : NEW - QSO MAP SORTED BY BANDS : : : :

(LAST UPDATE 25-NOVEMBER-2011)

LOG MAP 10mt LOG MAP 15mt
LOG MAP 20mt LOG MAP 40mt
LOG MAP 80mt LOG MAP 160mt

RILEVAMENTI AMBITO MONDIALE (WORLDSAMPLING)

TENDENZA N. QSO / BANDA --- MAPPA QSO EFFETTUATI (ULTIMA ORA)

HRDLOG My on-web logbookhttp://www.hrdlog.net/ViewLogbook.aspx?user=IZ7PDX

IZ7PDX YOUTUBE CHANNELhttp://www.youtube.com/user/IZ7PDX

FACEBOOK LINK TO LUIGI D'ARCANGELO PHOTOGRAPHER http://it-it.facebook.com/people/Luigi-DArcangelo/1402121495

FACEBOOK LINK TO IZ7PDX HAM-RADIO STATIONhttp://www.facebook.com/pages/Iz7pdx-Ham-Radio-Station/164912436856097

QTH WX INFO (Locorotondo/Bari)

 

My lovely old and 100% origiginal Range Rover TD2.5 '92

"THE QUEEN"

 

DX-ITALIA Team Member # 0035

 

The best Italian advertising ?

Photo by Helga IN3FHE

201566 Last modified: 2014-02-10 11:35:34, 36505 bytes

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