Map of Italian Ham Radio Repeaters

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Andrea Nuzzi IZ8WNH has made available an interactive map of amateur radio repeaters in Italy 

By selecting a place of interest, the application displays the results on both map and a table. The data can be downloaded as a CSV file for programming your transceiver memories using CHIRP or ADMS (for Yaesu radios).

Italian Repeater Map - https://www.iz8wnh.it/en.html

VHF/UHF DX Book Replica Edition

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'The VHF/UHF DX Book' was written in the early to mid-1990s by a team of experienced VHF/UHF DXers and equipment developers, in an effort to pass on our knowledge and stimulate further developments.

But eventually the book went out of print, and information of lasting value became trapped on the printed pages.

To keep that information alive for future generations of VHF/UHF DXers, a digital replica of the Second Printing (1995) has now been released as a free download, by kind permission of the copyright owner TR Publishing and its proprietor Trevor Preece.

As with all older books, the challenge for the reader is to separate the parts that are of lasting value from other parts that have become dated. But we make no apology for that; even the outdated parts remain an accurate snapshot of VHF/UHF DXing in its heyday.

Download - http://www.trpub.net/html/dx_book.htm

NOSintro Book

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Ian Wade G3NRW has made available as a free PDF his classic book NOSintro TCP/IP over Packet Radio 

First published in 1992 NOSintro is an introduction to the KA9Q Network Operating System, the forerunner to JNOS, which is still in use today. 

Although the book was written 25 years ago, much of the material is still relevant.

Download NOSintro - http://www.g3nrw.net/NOSintro/

Up-to-date discussions on JNOS - http://www.tapr.org/mailman/listinfo/nos-bbs