Repeaters and Nets
2 Meter Repeaters
| Location | Frequency | Tone | Notes |
|---|---|---|---|
| Davidsonville | 147.105+ | 107.2 | AARC Repeater; linked to 444.400 |
| Crownsville | 147.075+ | 107.2 | AARC repeater with morning and afternoon traffic nets and Wednesday night net. EchoLink K3HRT-R node 677954 |
| BrandyWine | 147.150+ | 114.8 | SMARC Repeater. |
| Sunderland | 146.985- | 156.7 | Calvert ARC |
| Laurel | 147.225+ | 156.7 | Laurel ARC Repeater. |
| Millersville | 146.805- | 107.2 | Maryland Mobileers Repeater. FM & EchoLink KA2JAI-R 90911 |
1.25 Meter Repeaters
| Location | Frequency | Tone | Notes |
|---|---|---|---|
| Davidsonville | 223.880- | 107.2 | AARC 1.25M repeater |
| Millersville | 224.560- | 107.2 | AARC repeater Located in Northern AA County. |
70cm Repeaters
| Location | Frequency | Tone | Notes |
|---|---|---|---|
| Davidsonville | 444.400+ | 107.2 | AARC 70 cm Repeater. Linked to 147.105 |
| Annapolis | 442.300+ | 107.2 | AARC 70 cm repeater FM & C4FM & DMR |
| Laurel | 442.500+ | 156.7 | Laurel ARC 70 cm Repeater. |
| Millersville | 449.125- | 107.2 | Maryland Mobileers Repeater. FM & C4FM |
| Upper Marlboro | 443.600+ | 103.5 | SMARC 70 cm Repeater. |
| Lanham | 447.325- | 110.9 | PG ARES |
Packet Stations
| Location | Frequency | Call | Notes |
|---|---|---|---|
| Davidsonville | 144.390 | W3VPR-1 | APRS Digipeter |
| Davidsonville | 145.010 | W3VPR-5 Aliased to: MDAADG-4 |
Digipeter Relay to EOC Winlink |
| Millersville | 145.010 | W3AAC-5 | Digipeter Relay to EOC Winlink |
| Glen Burnie | 145.010 | W3AAC-10 | EOC Winlink system and digipeter |
| Glen Burnie | 145.010 | W3AAC-6 | EOC AX-25 Legacy Mailbox system |
Amateur Radio nets
Note: All times are in Eastern (local), and shift with the clock during Daylight Saving Time.
| Name | Frequency | Day | Time |
|---|---|---|---|
| W3VPR Holly Net | 147.075+ PL 107.2 |
Weekdays. Also EchoLink K3HRT-R node 677954 | 0700 |
| W3VPR Wednesday Night Net | 147.075+ PL 107.2 |
Wednesday. Also EchoLink K3HRT-R node 677954 | 2000 |
| US Naval Academy Bruninga Net | 147.075+ PL 107.2 |
Monday. Also EchoLink K3HRT-R node 677954 | 1930-2000 |
| Bowie Wireless Assn Net |
147.105+ |
Wednesday | 1900 |
| AA County ARES Net |
146.805-Mhz |
Sunday | 2000 |
| AA County ARES HF Net | 3.820-Mhz | 4th Tuesday | 1930 |
| PG County ARES Net | 145.230-Mhz PL 110.9 |
Tuesday | 1900 |
| PG County ARES HF Net | 3.820-Mhz | Wednesday following 3rd Monday | 1900 |
| Baltimore Traffic Net | 145.330-MHz (no tone) |
Daily | 1830 |
| Boating Net | 146.805-Mhz PL 107.2 |
Wednesday | 1930 |
| Maryland Emergency Phone Net | 3.820Mhz | Daily | 1800 |
| Maryland-DC-Delaware Traffic Net | 3.643Mhz | Daily | 1900 and 2200 |
| Maryland Slow Net | 3.563 MHz | Daily | 1930 |
| React Net | 442.300+ PL107.2 |
August 5, 2020 |
1930 |
| 147.105+MHz PL107.2 | 1st Sunday, starting September 6, 2020 | ||
| PG ARES Training Net | 145.230+Mhz PL110.0 |
Tuesday |
1930 |
| HF Hospital Net (MD Counties) | 3.820 MHz PL107.2 |
Wednesday following 3rd Monday |
1900 |
Common Simplex Frequencies
| Suggested name | Frequency | Notes |
|---|---|---|
| "RACE1" | 146.430 | Most common, used for races, Field Day setup, etc. Once the official AARC Simplex Frequency. |
| "RACE2" | 146.475 | The usual backup frequency, for interference, stuck mike or to clear the main channel for other traffic. |