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ARRL Products: Circuit Design (More) Introduction to Radio Frequency Design -- Basic RF concepts (with some related analog subjects) for the amateur or engineer. Digital Signal Processing Technology -- Essentials of the Communications Revolution. An understandable presentation and reference on DSP in contemporary communications technology. Do-It-Yourself Circuitbuilding for Dummies -- A fun and easy way to start building circuits for your projects! ARRL's Hands-On Radio Experiments -- Over 60 basic electronics experiments from the pages of QST! ARRL's Vintage Radio -- Articles about the lure of vintage Amateur Radio gear.

Logbook of the World start-up help is provided in these languages:

	Croatian	by Martin, 9A2JK
	Dutch	from Henk -- VK2GWK (ex PA0ADC)
	English
	French	by Patrick, F6IRF
	German	by Eike, DM3ML
	Italian	by Roberto Pagano, IV3IYH
	Russian	written by Vlad EU1SA, submitted by Art, RX9TX
	Slovenian	by Dan, S50U
	Spanish	by Sergio Manrique, EA3DU

Links to help in languages other than English are provided by various individuals. None of these pages have been reviewed by ARRL, so we can't be responsible for their accuracy. We hope they will be of use to you. If you have comments about them please address the author or the person submitting the link (with a copy to lotw-help@arrl.org).

If you would like to add a help link, please contact lotw-help@arrl.org.