Amateur Radio Digital Communications
Invitation OnlySan Diego, California · EIN 45-3751971 · Private foundation · Website
Grants paid (2025)$3.5M
Organizations funded110
Typical grant$10,662
Total assets$142.9M
Half of its grants to organizations were between $1,100 and $27,462.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
81% of grants went outside California.
Grants paid in tax year 2025
| 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… | $110,107 |
| Fondation Open Collective Europe (Behalf Hameenlinnan Radioamatoorit Ry) | Brussels, BE | Improve the stability and release quality of hamlib through the development of an automated testing framework, and to expand hamlib to… | $98,229 |
| Fondation Open Collective Europe | Brussels, BE | Creates an open source, fully redundant vhf/uhf communications board for cubesats and educational space systems. | $92,917 |
| Information Age Learning Center | Wall Township, NJ | Funding for a makerspace to upgrade its antennas, communications systems, and facility infrastructure so it can expand public programs and… | $88,678 |
| The Radio Society of Sri Lan | Brussels, BE | 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… | $77,000 |
| Radio Amateur Du-Of Quebec Inc (On Behalf LA Federation Des Clubs Radioamat | Montreal, CA | Repairing, upgrading, and expanding a province wide linked repeater network by replacing aging equipment, restoring damaged sites, and… | $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 | Brussels, BE | Deploy meshtastic nodes for wildfire fighters in argentina, improving off grid digital communications when cellular and traditional radio… | $62,775 |
| Alberta Digital Radio Communications Society | Calgary, CA | Develop a high speed ofdm-based digital modem for the 400 mhz amateur radio band, enabling significantly higher data rates and modern… | $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… | $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 | Brussels, BE | Remote hf station for education and youth engagement, providing schools and youth groups across the uk hands on access to hf operating. | $34,169 |
| Openmesh Voice Network) | Brussels, BE | 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 | Montreal, CA | Funds a new solar-powered vhf repeater on mont blanc to extend aress network into an unserved region, improve emergency communication for… | $32,365 |
| Radio Amateur Du-Of Quebec Inc | Montreal, CA | Replace outdated repeater equipment at two sites with modern vhf/uhf systems to improve reliability and reduce maintenance. | $31,945 |
| The Leffell School | Hartsdale, NY | Build a student-run satellite ground station to support hands-on learning with amateur radio. | $31,200 |
| Western Lake Superior Amateur Responders | Duluth, MN | Upgrade repeater with backup power, antennas, and deploy aredn for emergency communications. | $28,282 |
| Porter County Amateur Radio Club Inc | Valparaiso, IN | Build a mobile radio communications trailer that will help expand outreach, education and emergency communications. | $27,462 |
| Hazel Park Amateur Radio Club Inc | Hazel Park, MI | Replaces old repeater equipment and improves network links to improve repeater reliability. | $26,743 |
| Black Girls Do Engineer Corporation | Brooklyn, NY | Teaches brooklyn youth amateur radio and digital communications through hands on workshops, licensing classes, and student projects. | $25,000 |
| Half Moon Bay Amateur Radio Club | Half Moon Bay, CA | Build a self-contained emergency communications trailer with multiple radios and off grid power to support public outreach. | $25,000 |
| Okaw Valley Amateur Radio Club Inc | Greenville, IL | Replace a failing repeater shelter and supporting infrastructure, add emergency power, repair antennas, and restore a reliable vhf repeater… | $24,750 |
| Valencia County Amateur Radio Association Inc | Perlata, NM | Funds student radios, license materials and exams, classroom supplies, repeater connectivity, and field trips to support and expand… | $24,570 |
| Electronic Applications Radio Service Inc | Union, KY | Additional funds to cover increased number of campers and costs. | $22,000 |
| Fondation Open Collective Europe | Brussels, BE | Support hands-on demonstrations of amateur radio, earth-moon-earth communication, and radio astronomy through a restored radio telescope. | $22,000 |
| Topanga Coalition for Emergency Preparedness | Calabasas, CA | Upgrades and consolidates tceps radio systems at 69 bravo into a dedicated, hardened communications hub, expanding capacity, improving… | $20,891 |
| Radio Amateur Du-Of Quebec Inc | Montreal, CA | Funding of components needed to refurbish and distribute several motorola quantar repeaters to amateur radio clubs across quebec. | $20,275 |
| Electronic Applications Radio Service | Union, KY | Funding to host the 2025 youth on the air junior USA camp to promote youth involvement in amateur radio. | $20,181 |
| World Genesis Foundation | Dewey, AZ | Expand free amateur radio and steam programs that provide licensing, hands-on projects, and community events for students and families. | $20,000 |
| Wikiciv Org Inc | Greenville, SC | Legal advisory to establish clear regulations for open-source passive radar development in the u.s. | $19,632 |
| South Mountain Repeater Association Inc Aka South Mountain Radio Amateurs | Mechanicsburg, PA | Offer technician license classes, provide basic radios to new operators, and add vhf/uhf/dmr and hf equipment to improve local emergency… | $19,186 |
| STEM Amateur Radio Club | Lancaster, SC | Supports hands on youth education in amateur radio through portable field operations, classroom STEM experiments, pico balloon launches,… | $18,075 |
| Ham Radio Village Inc | Boulder, CO | Supported ham radio village in expanding its national effort that delivers engaging talks, hands-on classes, and free license exam sessions… | $18,060 |
| Milford Amateur Radio Club | Milford, OH | Relocating an existing digital wires-x repeater to a higher performance site and upgrading supporting equipment to significantly expand… | $16,181 |
| Omik Scholarship Fund | Williamsburg, VA | Provide need-based scholarships for post-secondary students, with preference for steam fields. | $15,000 |
| Radio Amateur Satellite Corporatio | Washington, DC | Develop and publish a free open-access series of online courses for middle and high school students that introduce satelite technology. | $14,556 |
| Radio Amateur Du-Of Quebec Inc | Montreal, CA | Builds a dedicated satellite ground station so crasoi can train operators, support digital satellite work, and contribute real data and… | $14,186 |
| Raleigh Amateur Radio Society (Rars) | Raleigh, NC | Establish a portable amateur radio satellite ground station to support ariss contacts and hands-on space communications demonstrations for… | $14,065 |
| STEM Harvest Inc | Hays, KS | Expand digital amateur radio coverage to improve emergency communications and regional connectivity in a rural area. | $13,950 |
| Ontario Tech University | Oshawa, CA | Develop a mobile amateur radio repeater system to support reliable long-range communication and telemetry during rocket launches at launch… | $13,939 |
| Utah Tech University Amateur Radio S-Band Ground Station | St George, UT | Building an s-band ground station to support cubesat missions and hands-on STEM outreach. | $13,176 |
| Grace Evangelical Lutheran Church of River Forest | River Forest, IL | Parks on the air and summits on the air to give students practical radio experience through outdoor activities and build technical skills. | $12,839 |
| Pima Community College Foundation Inc | Oro Valley, AZ | Equipping a comunity college ham radio station with permanent hf and vhf/uhf equiptment, antennas, basic test equipment, and professionally… | $12,268 |
| Hot Springs Amateur Radio Club | Hot Springs, SD | Expand rural repeater coverage and provide licensing and hands-on training for new amateur radio operators, with a focus on youth education… | $11,730 |
| St Croix Valley Ares Races Inc | Hudson, WI | Relocation of an amateur radio repeater to a county owned tower so it can continue operating reliably. | $11,040 |
| Electronic Applications Radio Service Inc | Union, KY | Funding to host the youth on the air camp to promote youth involvement in amateur radio. | $10,662 |
| Fondation Open Collective Europe | Brussels, BE | Expands hamnet into the lublin district to improve local coverage, extend network coverage to rural users, and support youth engagement… | $9,563 |
| Boundary Amateur Radio Club Inc | Naples, ID | Supports in person and online license classes, electronics and sdr based activities, weather balloon tracking, scouting programs, and… | $9,394 |
| Lake Monroe Amateur Radio Society Inc | Orlando, FL | Upgrading and relocating the lmars repeater to a new regional hospital site, restoring and expanding vhf coverage. | $9,179 |
| Trilogy Amateur Radio Club | Bonney Lake, WA | Install a new vhf repeater to improve emergency communications and general amateur radio coverage across the region. | $9,143 |
Showing the 60 largest of 110 grants to organizations.
The return also lists 1 grant to individuals ($3,500). We do not publish the names of individual recipients.
Grants approved for future payment
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Internet Archive | San Francisco, CA | Expand dlarc by digitizing more materials and increasing outreach to preserve and provide free access to amateur radio resources. part 2. | $319,110 |
| Ege University | Bornova, | Research on developing an esp32-based framework for link monitoring in mesh wireless networks in turkey. | $10,575 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $3,467,865 | 113 |
| 2024 | $4,029,781 | 94 |
| 2023 | $5,880,342 | 103 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 13, 2026 - IRS e-file batch, object ID 202621339349103962
- IRS Tax Exempt Organization Search for EIN 45-3751971
- Profile updated Nov 4, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.