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  QSL image for IZ7SLZ

IZ7SLZ Italy flag Italy

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Hi, thanks for the contact.

I got the license in 1982 with former radio call sign IW7APU. My interest is to restore and modify old radio marine equipment for the use on ham bands. If you want exchange informations, write to my email (iz7slz.domenico@gmail.com).

From May 2013 i'm active on new MF band 472-479 kHz in CW and digimodes. I started with this WSPR and JT9 setup:

Receiver used is JRC NRD-92M. It works fine on MF.

Tx- Exciter is one old marine radiotelephone exciter from ITT Espana model ST428/M. After my modifications it works from 100 kHz to 28 MHz (frequency selectable) with 100mW power out and it has now a high stability frequency reference oscillator. Ugly equipment but it works good.

Power Amp. is built with two pcb's coming from one JRC marine MF reserve transmitter assembled in one industrial PC box. Power out measured with BIRD 43 is about 40 W on dummy load.

Antenna (provisional) is one 7 meter vertical whip (ex JRC lifeboat radio) with 6 radials (8 meters) as ground counterpoise. To improve the current at the feed point, i have added four verticals wires in parallel to the whip (a "cage" antenna similar to Dieckmann & Klapper MAS140). Antenna is matched with one variometer installed inside one ex-JRC tuner.

=

First contact in JT9-1 was with DL4YHF on June 14th, 2013. I also contacted him in CW on 02.02.2014 (QRB = 1418 km).

You can see my WSPR transmission recent progress:

http://wsprnet.org/olddb?mode=html&band=all&limit=50&findcall=iz7slz&findreporter=&sort=distance

and also my best recent receptions:

http://wsprnet.org/olddb?mode=html&band=2190&limit=50&findcall=&findreporter=iz7slz&sort=distance

I live in Putignano, a small city in Apulia (South-East region of Italy) http://it.wikipedia.org/wiki/Putignano

Putignano is famous for his "Carnival Celebrations" see http://www.carnevalediputignano.it/

Thanks for your attention and CU on 630 meters band !

73, Domenico

ARMI A/1016

PS: Flag's code in the primary image means: I Z 7 S L Z

Last modified: 2014-03-22 08:35:22, 3866 bytes

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