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Interference/DF

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The ARRL RFI Book -- Second Edition. Practical Cures for Radio Frequency Interference.

The RSGB Guide to EMC -- Tackle RF interference problems and understand the underlying causes.

AC Power Interference Handbook -- New insights into the causes, effects, locating and correction of power-line and electrical interference. 3rd Edition.

Transmitter Hunting -- Radio Direction Finding Simplified

§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: 02:42 PM, 08 Dec 2008 ET
Page author: w4ri@arrl.org
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