Onnowpurbo: /* External links */

2010-05-11T02:46:36Z

External links

Onnowpurbo: /* Address administration */

2009-12-20T00:59:33Z

Address administration

Onnowpurbo: New page: The '''AMPRNet''' ('''AM'''ateur '''P'''acket '''R'''adio '''Net'''work) is an effort by amateur radio operators to build a computer network connected over amateur radio. Other names f...

2009-12-20T00:57:57Z

New page: The '''AMPRNet''' ('''AM'''ateur '''P'''acket '''R'''adio '''Net'''work) is an effort by amateur radio operators to build a computer network connected over amateur radio. Other names f...

New page

The '''AMPRNet''' ('''AM'''ateur '''P'''acket '''R'''adio '''Net'''work) is an effort by [[amateur radio]] operators to build a computer network connected over amateur radio. Other names for the network include '''IPv4 Network 44/8 ''' and '''Network 44'''.

Amateur radio already used TCP/IP on packet radio network, long before the appearance of the public Internet. The class A 44 netblock of 16.7 Million IP addresses was set aside for amateur radio users worldwide, having been secured in the 1970s by [[Hank Magnuski]], when the internet was in its infancy.

The AMPRNet is connected by links over amateur [[packet radio]]. Due to the [[Bandwidth (signal processing)|bandwidth]] limitations of the [[radio spectrum]], links are usually restricted to a maximum of 9600 [[baud]] and are commonly 1200 baud and on occasion as low as 300 baud. The AMPRNet fully supports [[TCP/IP]] allowing for support of [[File Transfer Protocol|FTP]], [[Telnet]], [[Ping]], [[Finger protocol|Finger]] and [[Http]]. Recently the AMPRNet has gained radio link speeds upwards of 108 Mbit/s using [[Hinternet|HSMM]].

Currently the AMPRNet is composed of a series of [[Subnetwork|subnets]] throughout the world. Many subnets are also connected via [[Tunneling protocol|tunnels]] over the [[Internet]]. Portions of the network have radio links to adjacent nodes, while others are completely isolated.

Geographically dispersed radio subnets are meshed together using an [[IP tunnel]] at sites with Internet connectivity. In general, these sites also have a tunnel to a central site at [[UCSD]] through the host mirrorshades.ucsd.edu which offers a route between the 44/8 network and the rest of the Internet. In countries where permitted by the relevant regulatory authority, amateur radio operators are able to access resources on the Internet.

==Address administration==
The [[Internet protocol]] ''(IP)'' addresses in this block are in the 44.0.0.0/8 network and are available to any licensed amateur radio operator. The assigning of addresses is done by [ftp://ftp.ucsd.edu/hamradio/amprnets volunteer coordinators]. These addresses are routable over the Internet.

===44.128.0.0/16===
'''44.128.x.x''' is the testing subnet and consists of 65,536 (2<sup>16</sup>) addresses. Much akin to 10.0.0.0/8, 172.16.0.0/12, 169.254.0.0/16 or 192.168.0.0/16, this is an unroutable [[Private network|private IP block]]. Connectivity to the rest of the network should be given behind [[Gateway (telecommunications)|gateways]] much as one would do with [[Network address translation]] with any other private IP block.

==See also==
*[[AX.25]]
*[[ARPANET]]
*[[High-speed multimedia radio]]
*[[List of packet radio nodes]]
*[[Winlink]]

==External links==
*[http://www.ampr.org/ Official site] (http://www.ampr.org)
*[http://www.ampr-gates.net Amateur Packet Radio Gateways]
*[http://www.ampr-gateways.org/ Amateur Packet Radio Gateways FAQ]

← Older revision		Revision as of 02:46, 11 May 2010
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	*[http://www.ampr-gates.net Amateur Packet Radio Gateways]		*[http://www.ampr-gates.net Amateur Packet Radio Gateways]
	*[http://www.ampr-gateways.org/ Amateur Packet Radio Gateways FAQ]		*[http://www.ampr-gateways.org/ Amateur Packet Radio Gateways FAQ]
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		+	[[Category: ORARI]]

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 ==Address administration==
-The [[Internet protocol]] ''(IP)'' addresses in this block are in the 44.0.0.0/8 network and are available to any licensed amateur radio operator. The assigning of addresses is done by [ftp://ftp.ucsd.edu/hamradio/amprnets volunteer coordinators]. These addresses are routable over the Internet.
+The [[Internet protocol]] ''([[IP]])'' addresses in this block are in the 44.0.0.0/8 network and are available to any licensed amateur radio operator. The assigning of addresses is done by [ftp://ftp.ucsd.edu/hamradio/amprnets volunteer coordinators]. These addresses are routable over the [[Internet]].
 ===44.128.0.0/16===

AMPRNet - Revision history

Onnowpurbo: /* External links */

Onnowpurbo: /* Address administration */

Onnowpurbo: New page: The '''AMPRNet''' ('''AM'''ateur '''P'''acket '''R'''adio '''Net'''work) is an effort by amateur radio operators to build a computer network connected over amateur radio. Other names f...