Private foundation · EIN 45-3751971
Amateur Radio Digital Communications
San Diego, CA
Amateur Radio Digital Communications is a private foundation based in San Diego, CA. On its Form 990-PF for tax year 2025, it reported $3.47M in grants and contributions paid across 111 grants, with $143M in assets (fair market value). It reports that it gives only to preselected charitable organizations and does not accept unsolicited requests for funds. Its largest grants went to Arrl Foundation, Internet Archive and Rhizomatica Communications.
How to request funding
Gives only to preselected organizations. On its Form 990-PF, this foundation checked the box saying it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Relationships and invitations usually come first.
As reported on the foundation's Form 990-PF for tax year 2025. Requirements change; confirm with the foundation before applying.
Largest grants, tax year 2025
Historical data · not a prediction| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Arrl Foundation | Newington, CT | Final Payment of $507,500 for Three Total Years to Fund the Ardc Scholarship. Total Request Is $1,522,500 Over Three Years. | $507,500 |
| Internet Archive | San Francisco, CA | Expand Dlarc by Digitizing More Materials and Increasing Outreach to Preserve and Provide Free Access to Amateur Radio Resources. | $319,110 |
| Rhizomatica Communications | Philadelphia, PA | Finishes the Open Source Mercury Hf Modem and Makes the Full Hermes Digital Hf System Easier to Install and Use. | $235,045 |
| Software Freedom Conservancy Inc | Brooklyn, NY | Continuation of Gpl Compliance and Enforcement. | $175,000 |
| Pleasant Valley Telecommunications Advisory Council-Pvtac | Camarillo, CA | Establish Microwave Backbone and Mixed-Mode Vhf/Uhf Simulcast System to Replace Aging Infrastructure to Improve Emergency Communications. | $170,356 |
| Society of Women Engineers | Chicago, IL | Fund Scholarships, Research, and Education Programs That Support Women in Engineering and Technology, Including 35 Scholarships in Total. | $146,200 |
| Teachers in Space Inc | New York, NY | Train Teachers to Use Amateur Radio Technology to Track Satellites, Communicate with Spacecraft, and Teach Students About Its Role in Aerospace Communications. | $110,107 |
| Fondation Open Collective Europe (behalf Hameenlinnan Radioamatoorit Ry) | Brussels | Improve the Stability and Release Quality of Hamlib Through the Development of an Automated Testing Framework, and to Expand Hamlib to Support Modern Network Co | $98,229 |
| Fondation Open Collective Europe (on Behalf of Librecube) | Brussels | Creates an Open Source, Fully Redundant Vhf/Uhf Communications Board for Cubesats and Educational Space Systems. | $92,917 |
| Information Age Learning Center (on Behalf of Computer Deconstruction Labor | Wall Township, NJ | Funding for a Makerspace to Upgrade Its Antennas, Communications Systems, and Facility Infrastructure So It Can Expand Public Programs and Support More Radio an | $88,678 |
| Fondation Open Collective Europe (on Behalf of the Radio Society of Sri Lan | Brussels | Strengthen Emergency Preparedness in Sri Lanka by Deploying Solar-Powered Radio Stations and Training Communities in Amateur Radio. | $88,000 |
| Estero Radio Club Inc | San Luis Obispo, CA | Upgrade and Expand the San Luis Obispo (slo) Aredn Backbone Mesh Network with Modern 802.11ac Radios, Rf Backbone Links, and Battery Backups. | $77,000 |
| Radio Amateur Du-of Quebec Inc (on Behalf La Federation Des Clubs Radioamat | Montreal | Repairing, Upgrading, and Expanding a Province Wide Linked Repeater Network by Replacing Aging Equipment, Restoring Damaged Sites, and Adding New Repeaters. | $73,584 |
| American Indian Science and Engineering Society | Albuquerque, NM | Provide 12 Undergraduate Scholarships to Indigenous Students Pursuing Stem Fields Related to Amateur Radio and Digital Communications. | $72,000 |
| Fondation Open Collective Europe (on Behalf of Wildfiremesh) | Brussels | Deploy Meshtastic Nodes for Wildfire Fighters in Argentina, Improving Off Grid Digital Communications When Cellular and Traditional Radio Systems Fail. | $62,775 |
| Alberta Digital Radio Communications Society | Calgary | Develop a High Speed Ofdm-Based Digital Modem for the 400 Mhz Amateur Radio Band, Enabling Significantly Higher Data Rates and Modern Digital Linking Capabiliti | $60,000 |
| Southeast Community Development Corporation | Bell Gardens, CA | Provides Hands-on Stem Education with Fm Radio and Soldering Kits to Amateur Radio Education. | $46,272 |
| New England Sci-Tech Inc | Natick, MA | Expand Youth Education Programs Through Hands-on Workshops, Scouting Labs, and Balloon Launches. | $42,565 |
| Jay County Amateur Radio Club Inc | Portland, IN | Renovation and Outfitting of an Existing Building to Create a Permanent Amateur Radio Clubhouse with Meeting Space, Training Areas, License Testing Facilities, | $39,334 |
| Ufb New England | Sidney, ME | Expands and Repairs a Multi Site Digital Repeater Network by Adding a New Site and Upgrading Key Existing Sites to Improve Capabilities. | $35,725 |
| Central Kansas Amateur Radio Club Inc | Salina, KS | Create a Mobile Stem/Ar Lab Serving Underserved Communities Across Rural Kansas. | $35,640 |
| Fondation Open Collective Europe (on Behalf of Thanet Radio Infrastructure | Brussels | Remote Hf Station for Education and Youth Engagement, Providing Schools and Youth Groups Across the Uk Hands on Access to Hf Operating. | $34,169 |
| Fondation Open Collective Europe (on Behalf of Openmesh Voice Network) | Brussels | Build and Test an Open Source 70 Cm Mesh Network That Supports Real Time Voice and Basic Data. | $33,000 |
| Radio Amateur Du-of Quebec Inc (on Behalf of Ares Association Radio Exp | Montreal | Funds a New Solar-Powered Vhf Repeater on Mont Blanc to Extend Aress Network Into an Unserved Region, Improve Emergency Communication for Hikers and Local Agenc | $32,365 |
| Radio Amateur Du-of Quebec Inc (on Behalf of Vallee Du Richelieu Club) | Montreal | Replace Outdated Repeater Equipment at Two Sites with Modern Vhf/Uhf Systems to Improve Reliability and Reduce Maintenance. | $31,945 |
The 25 largest of 111 grants listed on the return. Names and purposes as reported to the IRS.
Where its grants went
- California$676K · 17 grants
- Connecticut$517K · 4 grants
- New York$362K · 13 grants
- Pennsylvania$265K · 5 grants
- Illinois$190K · 4 grants
- New Mexico$104K · 3 grants
- New Jersey$88.7K · 1 grant
- Indiana$70.1K · 3 grants
- Kentucky$52.8K · 3 grants
- Kansas$49.6K · 2 grants
- Massachusetts$45.7K · 4 grants
- South Carolina$37.7K · 2 grants
Quick answers
Does Amateur Radio Digital Communications accept grant applications?
According to its Form 990-PF for tax year 2025, Amateur Radio Digital Communications makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
How much does Amateur Radio Digital Communications give each year?
For tax year 2025, it reported $3,467,865 in grants and contributions paid (111 grants). Giving can change from year to year.
What organizations has Amateur Radio Digital Communications funded?
Its largest grants in tax year 2025 went to Arrl Foundation (CT), $508K, Internet Archive (CA), $319K, Rhizomatica Communications (PA), $235K, Software Freedom Conservancy Inc (NY), $175K and Pleasant Valley Telecommunications Advisory Council-Pvtac (CA), $170K.