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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).
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ALE -- (Automatic Link Establishment)
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.
- A Federal Standard for HF Radio Automatic Link Establishment (445,577 bytes, PDF file)
QEX January 1990, p. 3
- Growing Family of Federal Standards for HF Radio Automatic Link
Establishment (ALE) - Part I (552,411 bytes, PDF file)
QEX July 1993, pp. 3-8
- The Growing Family of Federal Standards for HF Radio Automatic
Link Establishment (ALE) - Part II (2,214,846 bytes, PDF file)
QEX August 1993, pp. 9-14
- The Growing Family of Federal Standards for HF Radio Automatic
Link Establishment (ALE) - Part III (548,965 bytes, PDF file)
QEX September 1993, pp. 14-19
- The Growing Family of Federal Standards
for HF Radio Automatic Link Establishment (ALE) - Part IV (572,180 bytes, PDF file)
QEX October 1993, pp. 13-18
- The
Growing Family of Federal Standards for HF Radio Automatic Link
Establishment (ALE) - Part V (2,463,220 bytes, PDF file)
QEX November 1993, pp. 9-12
- The Growing Family of Federal Standards for HF Radio Automatic
Link Establishment (ALE) - Part VI (252,549 bytes, PDF file)
QEX December 1993, pp. 7-12
- ALE--The Coming of Automatic Link Establishment (13,952 bytes, PDF file)
QST February 1995, p. 68 (Technical Correspondence)
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:
TIS Coordinator
American Radio Relay League
225 Main St., Newington, CT 06111
Tel: 860-594-0214 Fax: 860-594-0259
(email: tis@arrl.org)
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.
