4 metres - Revision history

Carlb: /* Propagation */

2009-11-16T02:26:03Z

Propagation

← Older revision		Revision as of 19:26, 15 November 2009
Line 21:		Line 21:

	== Modulation ==		== Modulation ==

			CW and voice are permitted (see chart for specific local allocations). The band is too small for fast-scan [[ATV]], which can only be accommodated on UHF or higher.

	== Propagation ==		== Propagation ==
			VHF typically provides slightly better than line-of-sight propagation, although rare conditions (such as inversion or sporadic E-skip) may greatly increase this distance for a very short (and unpredictable) interval.

	== Additional Information ==		== Additional Information ==

2009-04-09T03:24:59Z

Band plan for 4 metres

2009-04-09T03:24:16Z

← Older revision		Revision as of 20:24, 8 April 2009
Line 11:		Line 11:

	The amateur 4 metre band is located just above 70 MHz.		The amateur 4 metre band is located just above 70 MHz.

			As 66-72 MHz is VHF TV channel 4 in NTSC-M countries, this band is not available in Canada, the US, México or South Korea.

	== Equipment ==		== Equipment ==
Line 31:		Line 33:
	[[Image:4m chart.png]]		[[Image:4m chart.png]]
	</div>		</div>


			{{bands}}

2008-07-12T16:53:55Z

2008-07-02T21:10:22Z

← Older revision		Revision as of 14:10, 2 July 2008
Line 1:		Line 1:
	~~__NOTOC__~~		Related wiki pages [[Bands]], [[Propagation]]

	{{Band		{{Band
	\|band=4m		\|band=4m

2008-06-29T08:13:54Z

Equipment

← Older revision		Revision as of 01:13, 29 June 2008
Line 12:		Line 12:
	== Equipment ==		== Equipment ==

	The 4 metre band is available to amateurs in certain countries in Region 1, but is not available in the United States or ~~Japan~~. This makes manufactured radio equipment for the band very rare. Most amateurs use [[homebrew]] or modified gear to operate on 4 metres.		The 4 metre band is available to amateurs in certain countries in Region 1, but is not available in the United States, Japan or Australia. This makes manufactured radio equipment for the band very rare. Most amateurs use [[homebrew]] or modified gear to operate on 4 metres.

	Different countries have different 4 metre band edges, as shown in this [http://www.70mhz.org/bands.htm band chart].		Different countries have different 4 metre band edges, as shown in this [http://www.70mhz.org/bands.htm band chart].

2008-05-21T01:58:24Z

Added 4 meter band chart from "Four Metres Website", with permission.

← Older revision		Revision as of 18:58, 20 May 2008
Line 23:		Line 23:

	A good source of information is the [http://www.70mhz.org/index.php?categoryid=1 Four Metres Website].		A good source of information is the [http://www.70mhz.org/index.php?categoryid=1 Four Metres Website].

			== Band plan for 4 metres ==

			<div style="margin-left: 20px; float: left; border: 2px solid #aaa;">
			[[Image:4m chart.png]]
			</div>

2008-03-29T01:49:54Z

Hiding Table of Contents to be consistent with other "band" articles.

2008-03-29T01:04:43Z

Added band template chart

← Older revision		Revision as of 18:04, 28 March 2008
Line 1:		Line 1:
			{{Band
			\|band=4m
			\|USG=None
			\|USE=None
			\|USA=None
			\|UST=None
			}}

	The amateur 4 metre band is located just above 70 MHz.		The amateur 4 metre band is located just above 70 MHz.

2008-03-08T15:47:57Z

← Older revision		Revision as of 08:47, 8 March 2008
Line 1:		Line 1:
	The amateur 4 metre band is located just above 70 MHz.		The amateur 4 metre band is located just above 70 MHz.

	The 4 metre band is available to amateurs in certain countries in Region 1, but is not available in the US or Japan. This makes manufactured radio equipment for the band very rare. Most amateurs use [[homebrew]] or modified gear to operate on 4 metres.		== Equipment ==

			The 4 metre band is available to amateurs in certain countries in Region 1, but is not available in the United States or Japan. This makes manufactured radio equipment for the band very rare. Most amateurs use [[homebrew]] or modified gear to operate on 4 metres.

	Different countries have different 4 metre band edges, as shown in this [http://www.70mhz.org/bands.htm band chart].		Different countries have different 4 metre band edges, as shown in this [http://www.70mhz.org/bands.htm band chart].

			== Modulation ==

			== Propagation ==

			== Additional Information ==

	A good source of information is the [http://www.70mhz.org/index.php?categoryid=1 Four Metres Website].		A good source of information is the [http://www.70mhz.org/index.php?categoryid=1 Four Metres Website].