ARRL -- The national association for Amateur Radio ARRL -- The national association for Amateur Radio
Convention -- Ad
Find on this site...
Site Index 
  
Search site:
  
Call sign search:
 
ARRL Member Login...
Username:   Password:

  
Register    Forgot userid/password? 
Quick Links...
Text-only 
ARRL Products:
Pins, Patches, Maps, Gift Ideas & Supplies...

(More)

Life Membership Patch - round -- Round embroidered patch, 3-inches. Red, white, black and gold threads.

ARES Decal - red, white and blue -- Inside window type (adhesive on the front).

NTS Mug -- Ceramic mug (10 oz) with colorful logo of the National Traffic System (NTS).

A-1 Operator Club Pin -- Show off your achievement for being among those operators that meet the highest operating standards.

ARRL Life Member Decal -- Unique design to show off your ARRL life membership. Inside window type (adhesive on the front).

ALE -- (Automatic Link Establishment)

ARRL Technical Information Service page · TIS Menu page

Introduction

automatic link establishment (ALE)

In high-frequency (HF) radio, the capability of a station to make contact, or initiate a circuit, between itself and another specified radio station, without human intervention and usually under processor control. Note: ALE techniques include automatic signaling, selective calling, and automatic handshaking. Other automatic techniques that are related to ALE are channel scanning and selection, link quality analysis (LQA), polling, sounding, message store-and-forward, address protection, and anti-spoofing. 2. In HF radio, a link control system that includes automatic scanning, selective calling, sounding, and transmit channel selection using link quality analysis data. Note: Optional ALE functions include polling and the exchange of orderwire commands and messages. (from TIAB2B)

Articles

Note: Some of the following articles are in Adobe Portable Document Format (PDF) files. To view and print these files, you'll need a copy of Adobe's Acrobat Reader program. (Version 3.0 or later required). More information here.

Note:

Contact information for suppliers mentioned in the above articles should first be confirmed using TIS Address Database Search.

Web Links

Article Reprints:

You can get a photocopy of any ARRL published article for $3 ($5 for nonmembers) for each article requested. Contact the ARRL Technical Department (reprints@arrl.org ), 1-860-594-0390) if you wish to get photocopies.


This information was prepared as a membership service by the American Radio Relay League, Inc., Technical Information Service, 225 Main St., Newington, CT 06111 (860) 594-0214. Email: tis@arrl.org (Internet). ARRL HQ is glad to provide this information on the Web free of charge as a service to League members and affiliated clubs.

If you have any questions concerning the reproduction or distribution of this material, please contact:



Page last modified: 10:11 AM, 01 Aug 2005 ET
Page author: tis@arrl.org
Copyright © 2005, American Radio Relay League, Inc. All Rights Reserved.