![](https://i0.wp.com/n4lx.com/wp-content/uploads/wp-links-page/ClearNode1670545301.jpg?resize=256%2C256&ssl=1)
ClearNode
A pre-configured Raspberry Pi-based AllStar, EchoLink and digital modes simplex node with integrated low power FM transceiver.
![](https://i0.wp.com/n4lx.com/wp-content/uploads/D1520E71-FECD-4C8A-8573-4F584545A0F0-e1636870567881.jpeg?resize=256%2C256&ssl=1)
aprs.fi
Real-time, interactive APRS (Automatic Packet Reporting System) mapping and more.
![](https://i0.wp.com/n4lx.com/wp-content/uploads/wp-links-page/AllStar1670012528.jpg?resize=256%2C256&ssl=1)
AllStar
AllStarLink is a network of Amateur Radio repeaters, remote base stations and hot spots accessible to each other via Voice over Internet Protocol.
![](https://i0.wp.com/n4lx.com/wp-content/uploads/671E74D4-4DA3-4D28-9680-DAABB34396A8-e1575172222274.jpeg?resize=256%2C180&ssl=1)
VHF Propagation Map
Interactive map of current VHF propagation conditions
![](https://i0.wp.com/n4lx.com/wp-content/uploads/wp-links-page/WorldwideTroposphericDuctingForecast1670012487.jpg?resize=256%2C256&ssl=1)
Tropospheric Ducting Forecast
Six day forecast of tropospheric ducting conditions for VHF, UHF and microwave radio and television propagation
![](https://i0.wp.com/n4lx.com/wp-content/uploads/wp-links-page/DXMaps1538851410.jpg?resize=256%2C179&ssl=1)
DX Maps
Real-time radio propagation lists and information
![](https://i0.wp.com/n4lx.com/wp-content/uploads/wp-links-page/EchoLink1670012455.jpg?resize=256%2C256&ssl=1)
EchoLink
EchoLink connects licensed amateur radio stations over the Internet using streaming-audio technology.
![](https://i0.wp.com/n4lx.com/wp-content/uploads/wp-links-page/InternetRadioLinkingProject1562351634.jpg?resize=256%2C179&ssl=1)
Internet Radio Linking Project
IRLP is a Voice-over-IP (VoIP) network that endeavors to reliably and inexpensively link amateur radio stations without the use of RF links, leased lines or satellites.
![](https://i0.wp.com/n4lx.com/wp-content/uploads/wp-links-page/AlaskaMorningNet1670012067.jpg?resize=256%2C256&ssl=1)
Alaska Morning Net
The Alaska Morning Net is a friendly ragchew net that meets daily on IRLP, EchoLink and AllStar.
![](https://i0.wp.com/n4lx.com/wp-content/uploads/wp-links-page/NorthAlabamaRepeaterAssociation1670012028.jpg?resize=256%2C256&ssl=1)
North Alabama Repeater Association
NARA is an organization of amateur radio operators who maintain a number of analog and digital repeaters in the Huntsville, Alabama area.
![](https://i0.wp.com/n4lx.com/wp-content/uploads/wp-links-page/ARRL1670012011.jpg?resize=256%2C256&ssl=1)
ARRL
The ARRL is the U.S. national association for amateur radio.