ARRL -- The national association for Amateur Radio ARRL -- The national association for Amateur Radio
 nGenLog - Next generation logging software for radio amateurs -- Ad
Find on this site...
 Site Index 
·Classes
·Exams
·Clubs
·Hamfests
·Addresses
   
Search site:
  
Call sign search:
 
ARRL Member Login...
Username:   Password:

  
Register    Forgot userid/password? 
Quick Links...
·Join or Renew
·Catalog & Store
·ARRL Courses
·Classifieds
·Getting Started
Operating ActivitiesLicensingNews/BulletinsServicesEducationPublic ServiceSupportDonate to ARRLARRL Info
Text-only 
ARRL Products:
Contesting
(More)

2009 ARRL Amateur Radio Calendar -- Coming Soon! -- Deluxe 13 month calendar, featuring the vintage radio photography of Joe Veras, K9OCO. Includes important ham radio dates; contests, operating events and more!

The ARRL DXCC Handbook -- Now Shipping! -- Worldwide ham radio operating and the ARRL DXCC Award!

RSGB Prefix Guide -- Now Shipping! -- The complete guide to prefix identification and information. DXCC listings by prefix, award details, and more. 8th edition.

RSGB IOTA Directory -- Now Shipping! -- Everything you need to know to enjoy collecting islands for the popular worldwide IOTA (Islands on the Air) award.

Worked All States Pin -- You won the award...now show off your accomplishment!

§97.309(a)(4) Technical Descriptions

This is a one-stop Web site for technical characteristics called for in FCC rules § 97.309(a)(4), which reads:

(4) An amateur station transmitting a RTTY or data emission using a digital code specified in this paragraph may use any technique whose technical characteristics have been documented publicly, such as CLOVER, G-TOR, or PacTOR, for the purpose of facilitating communications.
Documentation should be adequate to (a) recognize the technique or protocol when observed on the air, (b) determine call signs of stations in communication and read the content of the transmissions. Click on names of the techniques already documented:


Page last modified: 02:25 PM, 02 Jan 2008 ET
Page author: w4ri@arrl.org
Copyright © 2008, American Radio Relay League, Inc. All Rights Reserved.