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About: Types of Communication Channels

Module by: Don Johnson. E-mail the author

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Name: Types of Communication Channels
ID: m0099
Language: English (en)
Summary: Maxwell's equations govern th propagation of electromagnetic signals in both wireline and wireless channels.
Subject: Science and Technology
Keywords: broadcast mode, circuit model, communication channel, Maxwell's equations, point-to-point, wireless channel, wireline channel
Document Type: -//CNX//DTD CNXML 0.5 plus MathML//EN
License: Creative Commons Attribution License CC-BY 1.0

Authors: Don Johnson (
Copyright Holders: Don Johnson (
Maintainers: Don Johnson (, John Cottrell (

Latest version: 2.13 (history)
First publication date: Oct 9, 2000 12:00 am -0500
Last revision to module: Apr 26, 2005 9:48 am -0500


PDF: m0099_2.13.pdf PDF file, for viewing content offline and printing. Learn more.
XML: m0099_2.13.cnxml XML that defines the structure and contents of the module, minus any included media files. Can be reimported in the editing interface. Learn more.

Version History

Version: 2.13 Apr 26, 2005 9:48 am -0500 by Charlet Reedstrom
update to cnxml-0.5

Version: 2.12 Aug 13, 2002 12:00 am -0500 by (Unknown)
Upgraded to 0.4.

Version: 2.11 Aug 4, 2002 12:00 am -0500 by (Unknown)
Made Maxwells equation one block.

Version: 2.10 Apr 29, 2002 12:00 am -0500 by (Unknown)
changed unicode numbers to words, removed display=inline on equation

Version: 2.9 Sep 11, 2001 12:00 am -0500 by Brent Hendricks
Converted to CNXML 0.3.5

Version: 2.8 Aug 23, 2001 12:00 am -0500 by (Unknown)
- Changed module name

Version: 2.7 Aug 21, 2001 12:00 am -0500 by (Unknown)
Revised a footnote.

Version: 2.6 Aug 21, 2001 12:00 am -0500 by (Unknown)
- sync up with database

Version: 2.4 Jun 22, 2001 12:00 am -0500 by (Unknown)
Sample text

Version: 2.3 Jun 5, 2001 12:00 am -0500 by (Unknown)
abstract rewritten and added to textfield of database

Version: 2.2 Jun 5, 2001 12:00 am -0500 by (Unknown)
added email addresses for author and maintainers

Version: 2.1 Jun 5, 2001 12:00 am -0500 by (Unknown)
updated to cnxml 0.3
abstract added 
math all redone in content mathml

Version: 2.0 Oct 9, 2000 12:00 am -0500 by Brent Hendricks
Bumped version to 2.0

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The following citation styles comply with the attribution requirements for the license (CC-BY 1.0) of this work:

American Chemical Society (ACS) Style Guide:

Johnson, D. Types of Communication Channels, OpenStax-CNX Web site., Apr 26, 2005.

American Medical Assocation (AMA) Manual of Style:

Johnson D. Types of Communication Channels [OpenStax-CNX Web site]. April 26, 2005. Available at:

American Psychological Assocation (APA) Publication Manual:

Johnson, D. (2005, April 26). Types of Communication Channels. Retrieved from the OpenStax-CNX Web site:

Chicago Manual of Style (Bibliography):

Johnson, Don. "Types of Communication Channels." OpenStax-CNX. April 26, 2005.

Chicago Manual of Style (Note):

Don Johnson, "Types of Communication Channels," OpenStax-CNX, April 26, 2005,

Chicago Manual of Style (Reference, in Author-Date style):

Johnson, D. 2005. Types of Communication Channels. OpenStax-CNX, April 26, 2005.

Modern Languages Association (MLA) Style Manual:

Johnson, Don. Types of Communication Channels. OpenStax-CNX. 26 Apr. 2005 <>.