Marion County
By the numbers: about 968,460 residents (2023 U.S. Census estimate) · 1,234 licensed amateur radio operators — 596 Technician, 337 General, 52 Advanced, 240 Extra, 9 Novice · 24 licensed club stations · 114 more licenses in the FCC's two-year renewal grace period (FCC licenses, by ZIP).
Since 2000: 1,307 licensed operators at the end of 2000, 1,234 today. Rebuilt from FCC license records, counting each licensee at their current address, so earlier years are approximate. Indiana licensing trends
Ham Radio Clubs
- Indianapolis Radio Club (W9JP): www.indyradioclub.org | board@indyradioclub.org | Facebook | QRZ | Newsletter
Meetings: 2nd Friday monthly at 7:30 PM (no meetings in July or August; a meet-and-greet begins at 7:00 PM) — normally the Salvation Army EDS Training Facility, 4020 Georgetown Rd, Indianapolis, IN, unless the club newsletter announces otherwise
As the club publishes it at indyradioclub.org, checked September 27, 2026.
Net: Indianapolis Radio Club Welcome Net (Wednesday, 8:00 PM ET, 146.970 MHz (-, PL 107.2, W9ICE), FM). All nets
License exams: 2nd Saturday monthly, except May at 12:00 PM — Salvation Army EDS Training Facility, 4020 Georgetown Rd, Indianapolis. Coordinated through the ARRL VEC. $15.
No walk-ins (register or call ahead).
As the club publishes it on indyradioclub.org — exams — checked September 21, 2026.
- Indy United ARC (W9SU): W9SU@arrl.net | Facebook | QRZ
- Indianapolis Motor Speedway Amateur Radio Club (W9IMS): QRZ | groups.io
Special-event station for races at the Indianapolis Motor Speedway (Indy 500, IndyCar Grand Prix, Brickyard 400). Work all three events in a year to earn the Checkered Flag Award.
Events
Repeaters
41 amateur radio repeaters are located in Marion County on the 6m and 2m and 1.25m and 70cm and 33cm and 23cm bands. Machines in bordering counties are often reachable too — see the full directory. A dash means we don’t have that detail on file; check with the sponsoring club before you rely on it.
| Frequency | Offset | Tone | Mode | Location | Sponsor |
|---|---|---|---|---|---|
| 52.7 | -1.0 | 136.5 | FM | Indianapolis | IPL ARC |
| 53.01 | -1.0 | 151.4 | FM | Indianapolis | HQRC |
| 145.21 | -0.6 | 100.0 | FM | Indianapolis | IMARC |
| 145.41 | -0.6 | 88.5 | FM/Fusion/D-STAR/DMR | Indianapolis | N9ALD |
| 146.625 | -0.6 | 88.5 | FM/Fusion | Indianapolis | INDY RA |
| 146.67 | -0.6 | 88.5 | FM/Fusion | Indianapolis | IPL ARC |
| 146.7 | -0.6 | 88.5 | FM | Indianapolis | INDY RA |
| 146.76 | -0.6 | 151.4 | FM/Fusion | Indianapolis | CIRA |
| 146.88 | -0.6 | 88.5 | FM/Fusion | Indianapolis | RCA ARC |
| 146.97 | -0.6 | 107.2 | FM | Indianapolis | Indianapolis Carmel Experimenters |
| 147.075 | +0.6 | 100.0 | FM | Indianapolis | KA9GIX |
| 147.12 | +0.6 | 88.5 | FM | Indianapolis | INDY RA |
| 147.21 | +0.6 | 88.5 | FM | Indianapolis | W9SEM |
| 147.315 | +0.6 | DCS 043 | FM | Indianapolis | K9DC |
| 224.5 | -1.6 | — | FM | Indianapolis | KC9COP |
| 224.54 | -1.6 | — | FM | Indianapolis | KB9RBF |
| 224.8 | -1.6 | 88.5 | FM | Indianapolis | K9XV |
| 224.98 | -1.6 | 77.0 | FM | Indianapolis | Indianapolis Carmel Experimenters |
| 441.2 | +5.0 | — | DMR | Indianapolis DMR color code 1 on BrandMeister DMR Network, last on the network 2026-10-31 | N9ALD |
| 442 | +5.0 | 100.0 | FM | Indianapolis | KA9GIX |
| 442.375 | +5.0 | DCS 043 | FM | Indianapolis | K9DC |
| 442.45 | +5.0 | — | P25 | Indianapolis | NF9K |
| 442.5 | +5.0 | 100.0 | FM/Fusion | Indianapolis | Indpls EMA |
| 442.65 | +5.0 | 77.0 | FM | Indianapolis | KM9E |
| 442.725 | +5.0 | 88.5 | FM | Indianapolis | IDHS RACES |
| 442.85 | +5.0 | 151.4 | FM/D-STAR | Indianapolis | KC9SKV |
| 442.95 | +5.0 | — | FM | Indianapolis | KB9RBF |
| 443 | +5.0 | 100.0 | FM | Indianapolis | WB9PGW |
| 443.25 | +5.0 | 100.0 | FM | Indianapolis | KM9E |
| 443.325 | +5.0 | 156.7 | FM | Indianapolis | K9NZF Systems - WA9RN Wide Area Radio Network |
| 443.425 | +5.0 | DCS 043 | FM | Indianapolis | DREGs |
| 443.75 | +5.0 | 100.0 | FM/Fusion | Indianapolis | CIRA |
| 443.8 | +5.0 | — | FM | Indianapolis | KC9COP |
| 443.85 | +5.0 | 88.5 | FM | Indianapolis | INDY RA |
| 443.9 | +5.0 | 77.0 | FM | Indianapolis | Indianapolis Carmel Experimenters |
| 444 | +5.0 | 100.0 | FM | Indianapolis | IMARC |
| 444.325 | +5.0 | 136.5 | FM | Indianapolis | KB9SGN |
| 444.875 | +5.0 | 100.0 | FM | Indianapolis | KA9GIX |
| 927.4875 | -25.0 | 131.8 | FM | Indianapolis | Indianapolis Carmel Experimenters |
| 927.9875 | -25.0 | 77.0 | FM | Indianapolis | Indianapolis Carmel Experimenters |
| 1293.5 | — | 77.0 | FM | Indianapolis | Indianapolis Carmel Experimenters |
View Marion County on RepeaterBookBrowse all Indiana repeaters
Emergency Communications
Marion County is part of Indiana ARES District 5 (which mirrors IDHS District 5). Learn how amateur radio supports emergencies in Indiana — ARES, RACES, and Skywarn — on our EmComm page.
County emergency management
Marion County's emergency management agency plans for disasters and coordinates the local response. For current contact information, visit the Marion County emergency management website.
The Indiana Department of Homeland Security keeps a directory of every county's agency: IDHS county EMA directory (website link as listed there on October 26, 2026).
ARES
Marion County is in Indiana ARES District 5. The ARRL Indiana Section's monthly report notes whether each ARES leadership position is filled or vacant.
- County Emergency Coordinator: not listed as filled or vacant; Marion County ARES sent in its own update for the June 2026 report.
- District 5 Emergency Coordinator: not listed as filled or vacant; District 5 sent in its own update for the May 2026 report.
To join ARES in Marion County, find current Section leadership contacts on the ARRL Indiana Section page and the Section's emergency communications page. The ARRL also explains how ARES works.
Role status from Indiana Section News (latest issue June 2026), checked October 27, 2026. Each line uses the most recent report that mentions the position.
RACES and AUXCOMM
- Marion County RACES: the county's RACES program, with an information page on indy.gov.
- Licensed amateurs anywhere in Indiana can volunteer with the Indiana Department of Homeland Security's auxiliary communications team: about IDHS AUXCOMM · volunteer interest form
Skywarn spotter training
Marion County's spotter training comes from the NWS Indianapolis office. Spotter classes are usually held from late winter into early spring, and each county's emergency management agency arranges its local class. NWS Indianapolis spotter training
The information on this page may not be fully up to date. If you notice anything incorrect or missing, please email campbell@indianahamradio.com with the correction. Club officers: email the same address with your club's meeting, net, event or website changes, and we will update this page.
National Weather Service office
Severe-weather watches and warnings for Marion County come from National Weather Service Indianapolis, IN. Local radar: station KIND.
Nets
6 nets meet in Marion County, and more are within range from the counties around it — a repeater does not stop at the county line. See the nets near Marion County, searchable by ZIP code and distance, along with the statewide HF nets.
📅 Put this county in your calendar.indianahamradio.com/calendars/marion.ics is a subscribable calendar of Marion County’s nets, hamfests and exam sessions — subscribe once in Google, Apple or Outlook and it stays current on its own. Clubs without a calendar are welcome to hand it to their members as theirs.
Nearby counties
Marion County borders 7 other counties. Repeaters and clubs just across the line are usually well within range, so it is worth checking them too:
Everything on this page as JSON: /data/counties/marion.json · about the data