4 metres: Difference between revisions

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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].

Revision as of 07:47, 8 March 2008

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

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 band chart.

Modulation

Propagation

Additional Information

A good source of information is the Four Metres Website.