ARDC will be at HOPE 26 @hope.net, happening from August 14 - 16. If you’re at the event, be sure to say hello and catch our talk, "Decentralized Networking is a Social Problem", on Sunday (8/16) at 5p. See you there! #ardc #HOPE26 #HackersOnPlanetEarth

MQTT servers can be used with 44Net to transport telemetry from remote stations, including weather data, solar power systems, and station automation. What data would you monitor from your station? #44net #44yearsof44net #amateurradio #mqtt #iot #telemetry

If you’re heading to @defcon.bsky.social, be sure to say hello if you see us: we’d love to connect with you! #ardc #DEFCON #DEFCON34 #44net

ARDC@ardc-73.bsky.social · 2w ago

Heading to @defcon.bsky.social? So are we, and we'd love to connect with you. If you see us there and want to learn more about our programs, be sure to tell us hello! #ardc #DEFCON #DEFCON34 #44net

Grantees with the Milford Amateur Radio Club are hosting the Cincinnati Hamfest on August 15. You can learn more about the event here: cincinnatihamfest.org/event-details. #ardc #ardcgrantees #amateurradio #cincinnatihamfest

Cincinnati Hamfest℠

Cincinnati Hamfest℠ - The Largest Hamfest in Greater Cincinnati

cincinnatihamfest.org

Heading to @defcon.bsky.social? So are we, and we'd love to connect with you. If you see us there and want to learn more about our programs, be sure to tell us hello! #ardc #DEFCON #DEFCON34 #44net

44Net can support VoIP and SIP applications, such as conference servers. What voice applications have you experimented with? #44net #44yearsof44net #amateurradio #digitalcommunications

At HAM RADIO in Friedrichshafen, our grantee Steffen Heuel DO5DSH took a moment to show us the NPR-NG modem and talk about the latest version’s features: www.youtube.com/shorts/Al-CX... #ardc #amateurradio #digitalcommunications

What's New with New Packet Radio, Next Generation (NPR-NG)?

YouTube video by ARDC

youtube.com

44Net can be used to support APRS-IS gateways, helping bridge APRS traffic between RF networks and Internet-connected services. Have you ever experimented with APRS infrastructure? www.aprs-is.net #44net #44yearsof44net #amateurradio #aprs #digitalcommunications

Grantee Update: Ron Brooks AC8MA, President of the Milford Amateur Radio Club, joins Kevin Thomas W1DED of Q5 Worldwide Ham Radio to discuss the Cincinnati Hamfest and gives a brief update of some of the club’s ARDC-funded work: www.youtube.com/watch?v=SlJ4.... #ardc #ardcgrantees #amateurradio

What to Expect at the 2026 Cincinnati Hamfest

YouTube video by Q5 Worldwide Ham Radio

youtube.com

At HAM RADIO in Friedrichshafen, we caught up with our grantees from Rhizomatica! Peter and Rafael PU2IT told us a little about Mercury, their open-source modem for operating digital modes over HF: www.youtube.com/shorts/o2cFQ.... #ardc #ardcgrantees #rhizomatica #hamradio2026 #opensource

Mercury: An Open-Source Modem for Operating Digital Over HF

YouTube video by ARDC

youtube.com

We enjoyed attending HAM RADIO and connecting with members of the international amateur radio community, hearing about exciting projects, and sharing more about our work. Here are a few photos from our time in Friedrichshafen. We appreciate everyone who took the time to stop by and talk with us.

44Net Connect provides a static, globally unique IP address that can serve as an endpoint for IPIP tunnels and other networking experiments. What projects could you build with a static IP address? Link: connect.44net.cloud #44net #44netconnect #44yearsof44net #amateurradio #experimentation

Looking to get started with 44Net Connect? 44Net Program Manager John Burwell KI5QKX spoke with Ham Radio 2.0 at Hamvention 2026 about 44Net Connect and how operators can begin exploring the network: youtu.be/AWOSPonX1iU. #ardc #44net #44netconnect #amateurradio #digitalcommunications #networking

The New Way to Run 44Net on Any Device

YouTube video by Ham Radio 2.0

youtu.be

Mesh networking projects, including AREDN (www.arednmesh.org) and other high-speed data networks, can use 44Net tunnels to interconnect sites and experiment with IP-based services across multiple networks. #44net #44yearsof44net #meshnetworking #aredn #networking

The July 6 grant application deadline is almost here. If you’re working on a project that advances amateur radio, digital communications, or open source technology, we encourage you to submit your application before the deadline. Apply here: grants.ardc.net #ardc #amateurradio #digitalcommunications

ARDC@ardc-73.bsky.social · last mo.

Reminder: The current ARDC grant application deadline is July 6, 2026. If you’re planning to apply, now is a great time to review the application requirements and submit your proposal. Learn more and apply: grants.ardc.net #ardc #ardcgrants #amateurradio #digitalcommunications

Make a QO-100 QSO with us! www.youtube.com/shorts/TZyaG...

ARDC Team at Rohde & Schwarz Operating on QO-100!

YouTube video by ARDC

youtube.com

ARDC@ardc-73.bsky.social · last mo.

We're on the air! For the next ~30 minutes, some of the ARDC team is in Munich operating on QO-100 using the DL0RUS club call sign with our friends at Rohde & Schwarz. If you're at your station, get on the air and make a QSO with us! #amateurradio #QO100

We're on the air! For the next ~30 minutes, some of the ARDC team is in Munich operating on QO-100 using the DL0RUS club call sign with our friends at Rohde & Schwarz. If you're at your station, get on the air and make a QSO with us! #amateurradio #QO100

Reminder: The current ARDC grant application deadline is July 6, 2026. If you’re planning to apply, now is a great time to review the application requirements and submit your proposal. Learn more and apply: grants.ardc.net #ardc #ardcgrants #amateurradio #digitalcommunications

ARDC@ardc-73.bsky.social · 2mo ago

Our next grant application deadline has been extended to July 6. We welcome projects across amateur radio and digital communications, with our priority areas being R&D, space-based communications, and open source education. Apply at grants.ardc.net. #ardc #amateurradio #digitalcommunications

Schools and clubs can use 44Net as a hands-on environment for teaching networking concepts used in amateur radio and digital communications. What kinds of networking concepts would you like to explore with 44Net? #44net #44yearsof44net #amateurradio #networking #education

Our May/June Newsletter is live! Catch up on the latest project updates, community highlights, grantee news, events, and other developments from across the ARDC community: www.ardc.net?na=view&id=115. Like getting updates from ARDC? Subscribe to our newsletter here: www.ardc.net/about/newsle....

Will you be at HAM RADIO next week? Stop by the ARDC booth (A1-690) and tell us about the projects you’re working on and the impact they’re making. We’d love to hear your stories and connect with you. See you in Friedrichshafen! #hamradio2026 #amateurradio #digitalcommunications #opensource

ARDC@ardc-73.bsky.social · 2mo ago

Attending HAM RADIO in Friedrichshafen from June 26 - 28? Stop by the ARDC booth (A1-690) to say hello, learn about our programs and initiatives, and share your success stories and projects. See you there! #hamradio2026 #amateurradio #digitalcommunications #opensource

Operators use 44Net to move telemetry, status information, and network data between amateur radio systems across multiple locations. #44net #44yearsof44net #amateurradio #networking #telemetry

Our next grant application deadline has been extended to July 6. We welcome projects across amateur radio and digital communications, with our priority areas being R&D, space-based communications, and open source education. Apply at grants.ardc.net. #ardc #amateurradio #digitalcommunications

Want to learn more about 44Net and how folks are using it? Check out John Burwell’s KI5QKX recent appearance on Ham Radio Crash Course, where they take a deep dive into 44Net and discuss real-world use cases. Link: www.youtube.com/live/favHT3Y.... #ardc #44net #44netconnect #networking 📸 HRCC

Attending HAM RADIO in Friedrichshafen from June 26 - 28? Stop by the ARDC booth (A1-690) to say hello, learn about our programs and initiatives, and share your success stories and projects. See you there! #hamradio2026 #amateurradio #digitalcommunications #opensource

Amateur radio clubs can use 44Net to help support shared infrastructure such as repeaters, remote stations, and network-connected services. How does your club use networking and digital infrastructure? #44net #44yearsof44net #networking #digitalcommunications

We had a great time connecting with folks at SEA-PAC! Thank you to everyone who attended our presentation and took the time to chat with us throughout the event. #ardc #seapac #amateurradio #digitalcommunications #44netconnect

ARDC will be at SEA-PAC this weekend! If you’re there, be sure to attend our seminar on ARDC and 44Net Connect tomorrow (June 6) at 12pm. We look forward to seeing you there! #ardc #seapac #amateurradio #digitalcommunications

ARDC@ardc-73.bsky.social · 2mo ago

A few of our staff members will be attending SEA-PAC from June 5 - 7. If you're at the event and are interested in learning more about our programs and initiatives, feel free to say hello! #ardc #amateurradio #digitalcommunications #seapac

44Net can be used to support remote station control, allowing operators to connect to amateur radio equipment and services across different locations. What would you control remotely with 44Net? #44net #44yearsof44net #networking #amateurradio #remotestation #digitalcommunications

We’ve launched an ARDC Discord Server! The server is a place to discuss grants, project updates, 44Net, and related topics while connecting with others across the community. Join us here: discord.ardc.net #ardc #amateurradio #digitalcommunications #ardcgrantees #44net