Amateur Radio Digital Communications
San Diego, CA · EIN 453751971 990-PF tax year 2025“Preselected organizations only” box checked
Historical funder research: IRS Form 990-PF filings from US private foundations, showing who funded what in past years. This is not a list of currently open grant calls, and we do not track open RFPs from private foundations. From public IRS Form 990-PF filings (latest on file for this funder: tax year 2025). Coverage: tax years 2019–2025. Freshness: the IRS releases these returns 1.5–2+ years after the tax year ends, so 2025 is still partial and a funder's newest grants may not appear yet. Last updated: November 14, 2026. Filings can contain errors, so confirm current priorities and deadlines with the funder before applying.
Grants paid (tax yr 2025)
$3,467,865
Assets (fair market value)
$142,886,749
Median grant to orgs
$14,988
all loaded years
Grants in our data
395
since tax year 2022
Giving by tax year
$8,004,191
2022
101 grants
$5,880,342
2023
91 grants
$4,029,781
2024
92 grants
$3,467,865
2025
111 grants
Year 2025 is still partial because many returns have not been filed or released yet. That is a freshness issue — coverage in our dataset is tax years 2019–2025.
Top recipient states
Outside the U.S.$4,291,862
CA$3,695,081
CT$2,679,578
NY$1,512,509
PA$1,136,339
IL$1,105,827
CO$675,005
NM$609,551
Cause areas funded
Philanthropy & Voluntarism9
Science & Technology24
Education33
Human Services19
Arts, Culture & Humanities32
Public Safety & Disaster25
Community Improvement9
International Affairs2
Only 45.6% of this funder's organizational grants could be linked to an IRS cause code.
How to apply (from the 990-PF, tax year 2025)
The foundation checked the box saying it contributes only to preselected organizations and doesn't accept unsolicited requests.
- Form & materials
- Not stated
- Deadlines
- Not stated
- Restrictions
- Not stated
Recent grants to organizations
| Recipient | Location | Purpose (as filed) | Amount | Tax yr |
|---|---|---|---|---|
| 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 | 2025 |
| 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 | 2025 |
| 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 | 2025 |
| Software Freedom Conservancy Inc | Brooklyn, NY | CONTINUATION OF GPL COMPLIANCE AND ENFORCEMENT. | $175,000 | 2025 |
| 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 | 2025 |
| 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 | 2025 |
| 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 | 2025 |
| Fondation Open Collective Europe (Behalf Hameenlinnan Radioamatoorit Ry) | Brussels, Belgium | IMPROVE THE STABILITY AND RELEASE QUALITY OF HAMLIB THROUGH THE DEVELOPMENT OF AN AUTOMATED TESTING FRAMEWORK, AND TO EXPAND HAMLIB TO SUPPORT MODERN NETWORK CONTROLLED AND SOFTWARE DEFINED RADIO TRANSCEIVERS. | $98,229 | 2025 |
| Fondation Open Collective Europe (On Behalf of Librecube) | Brussels, Belgium | CREATES AN OPEN SOURCE, FULLY REDUNDANT VHF/UHF COMMUNICATIONS BOARD FOR CUBESATS AND EDUCATIONAL SPACE SYSTEMS. | $92,917 | 2025 |
| 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 AND TECHNOLOGY ACTIVITIES. | $88,678 | 2025 |
| Fondation Open Collective Europe (On Behalf of the Radio Society of Sri Lan | Brussels, Belgium | STRENGTHEN EMERGENCY PREPAREDNESS IN SRI LANKA BY DEPLOYING SOLAR-POWERED RADIO STATIONS AND TRAINING COMMUNITIES IN AMATEUR RADIO. | $88,000 | 2025 |
| 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 | 2025 |
| Radio Amateur Du-Of Quebec Inc (On Behalf La Federation Des Clubs Radioamat | Montreal, Canada | REPAIRING, UPGRADING, AND EXPANDING A PROVINCE WIDE LINKED REPEATER NETWORK BY REPLACING AGING EQUIPMENT, RESTORING DAMAGED SITES, AND ADDING NEW REPEATERS. | $73,584 | 2025 |
| 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 | 2025 |
| Fondation Open Collective Europe (On Behalf of Wildfiremesh) | Brussels, Belgium | DEPLOY MESHTASTIC NODES FOR WILDFIRE FIGHTERS IN ARGENTINA, IMPROVING OFF GRID DIGITAL COMMUNICATIONS WHEN CELLULAR AND TRADITIONAL RADIO SYSTEMS FAIL. | $62,775 | 2025 |
| Alberta Digital Radio Communications Society | Calgary, Canada | DEVELOP A HIGH SPEED OFDM-BASED DIGITAL MODEM FOR THE 400 MHZ AMATEUR RADIO BAND, ENABLING SIGNIFICANTLY HIGHER DATA RATES AND MODERN DIGITAL LINKING CAPABILITIES. | $60,000 | 2025 |
| Southeast Community Development Corporation | Bell Gardens, CA | PROVIDES HANDS-ON STEM EDUCATION WITH FM RADIO AND SOLDERING KITS TO AMATEUR RADIO EDUCATION. | $46,272 | 2025 |
| New England Sci-Tech Inc | Natick, MA | EXPAND YOUTH EDUCATION PROGRAMS THROUGH HANDS-ON WORKSHOPS, SCOUTING LABS, AND BALLOON LAUNCHES. | $42,565 | 2025 |
| 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, AND FIXED ON AIR OPERATING POSITIONS. | $39,334 | 2025 |
| 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 | 2025 |
| Central Kansas Amateur Radio Club Inc | Salina, KS | CREATE A MOBILE STEM/AR LAB SERVING UNDERSERVED COMMUNITIES ACROSS RURAL KANSAS. | $35,640 | 2025 |
| Fondation Open Collective Europe (On Behalf of Thanet Radio Infrastructure | Brussels, Belgium | REMOTE HF STATION FOR EDUCATION AND YOUTH ENGAGEMENT, PROVIDING SCHOOLS AND YOUTH GROUPS ACROSS THE UK HANDS ON ACCESS TO HF OPERATING. | $34,169 | 2025 |
| Fondation Open Collective Europe (On Behalf of Openmesh Voice Network) | Brussels, Belgium | BUILD AND TEST AN OPEN SOURCE 70 CM MESH NETWORK THAT SUPPORTS REAL TIME VOICE AND BASIC DATA. | $33,000 | 2025 |
| Radio Amateur Du-Of Quebec Inc (On Behalf of Ares Association Radio Exp | Montreal, Canada | 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 AGENCIES. | $32,365 | 2025 |
| Radio Amateur Du-Of Quebec Inc (On Behalf of Vallee Du Richelieu Club) | Montreal, Canada | REPLACE OUTDATED REPEATER EQUIPMENT AT TWO SITES WITH MODERN VHF/UHF SYSTEMS TO IMPROVE RELIABILITY AND REDUCE MAINTENANCE. | $31,945 | 2025 |
Grants to individuals are counted but not named.
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