| RFSS | Site | NAC | Name | County | Lat | Lon | Range | Updated |
|---|---|---|---|---|---|---|---|---|
| 1 (1) | 001 (1) | 4A1 | Baltimore Simulcast | Baltimore, MD | 39.45316 | -76.62689 | 20.56 | 2022-12-12 |
| 1 (1) | 002 (2) | 4A2 | Anne Arundel Simulcast | Anne Arundel, MD | 0 | 0 | 0 | 2021-10-14 |
| 1 (1) | 003 (3) | 4A3 | Harford Simulcast | Harford, MD | 39.55231 | -76.30074 | 20 | 2021-01-10 |
| 1 (1) | 004 (4) | 4A4 | Cherrytown Chicken ASR | Carroll, MD | 39.68206 | -77.03794 | 12 | 2020-09-27 |
| 1 (1) | 005 (5) | 4A5 | Howard Simulcast | Howard, MD | 0 | 0 | 0 | 2020-07-23 |
| 1 (1) | 006 (6) | 4A6 | Baltimore Harbor Tunnels | Baltimore, MD | 39.25565 | -76.57522 | 2 | 2021-01-10 |
| 1 (1) | 007 (7) | 4A7 | Towson University ASR | Baltimore, MD | 39.39375 | -76.60973 | 3 | 2020-03-27 |
| 1 (1) | 008 (8) | 4A8 | Conowingo ASR | Harford, MD | 39.66437 | -76.18158 | 8 | 2019-06-28 |
| 1 (1) | 009 (9) | 4AA | Greenbury Point ASR | Anne Arundel, MD | 38.96026 | -76.52121 | 20 | 2021-01-10 |
| 1 (1) | 010 (A) | 4AD | Tracys Landing ASR | Anne Arundel, MD | 38.7856 | -76.598 | 10 | 2020-09-17 |
| 1 (1) | 012 (C) | 4A9 | Lineboro ASR | Carroll, MD | 39.70894 | -76.8449 | 7 | 2018-04-26 |
| 1 (1) | 014 (E) | 4AD | Mt. Airy ASR | Howard, MD | 39.34712 | -77.17035 | 15 | 2020-04-10 |
| 1 (1) | 015 (F) | 4AA | Bridgeport SHA ASR | Frederick, MD | 39.65788 | -77.17443 | 8 | 2018-07-30 |
| 1 (1) | 016 (10) | 4AE | Gambrill Mountain ASR | Frederick, MD | 39.49392 | -77.49869 | 15 | 2021-11-05 |
| 1 (1) | 017 (11) | 4AF | Lambs Knoll ASR | Washington, MD | 39.4483 | -77.62653 | 15 | 2021-07-09 |
| 1 (1) | 018 (12) | 4AB | Quirauk ASR | Washington, MD | 39.6967 | -77.51292 | 15 | 2020-10-25 |
| 1 (1) | 019 (13) | 4A7 | Knoxville - Miller Ave. ASR | Washington, MD | 39.33536 | -77.71239 | 10 | 2020-05-12 |
| 1 (1) | 020 (14) | 4A6 | Washington Simulcast | Washington, MD | 0 | 0 | 0 | 2020-10-25 |
| 1 (1) | 021 (15) | 4A8 | Sideling Hill ASR | Washington, MD | 39.68925 | -78.30028 | 10 | 2018-07-24 |
| 1 (1) | 022 (16) | 4A2 | Allegany Simulcast | Allegany, MD | 0 | 0 | 0 | 2018-10-23 |
| 1 (1) | 023 (17) | 4AD | Table Rock ASR | Garrett, MD | 0 | 0 | 0 | 2022-09-25 |
| 1 (1) | 024 (18) | 4A1 | Allegany-Garrett Simulcast | Garrett, MD | 39.60539 | -78.99816 | 22.5 | 2020-03-30 |
| 1 (1) | 025 (19) | 4A5 | Garrett Simulcast | Garrett, MD | 0 | 0 | 0 | 2020-03-29 |
| 1 (1) | 026 (1A) | 4A3 | Warrior Mountain ASR | Allegany, MD | 39.61969 | -78.61819 | 21.3 | 2020-05-12 |
| 1 (1) | 027 (1B) | 4A3 | Mar Lu Ridge ASR | Frederick, MD | 39.31888 | -77.53042 | 19.1 | 2018-08-27 |
| 1 (1) | 028 (1C) | 4A1 | Tower Road ASR | Frederick, MD | 39.61922 | -77.49508 | 19.1 | 2022-02-22 |
| 1 (1) | 029 (1D) | 4AB | Central Booking ASR | Baltimore, MD | 39.30003 | -76.61033 | 7 | 2020-03-27 |
| 1 (1) | 030 (1E) | 4AC | Carroll Simulcast | Carroll, MD | 0 | 0 | 0 | 2021-11-20 |
| 3 (3) | 001 (1) | 4A1 | Ocean City ASR | Worcester, MD | 38.38712 | -75.06918 | 5 | 2020-07-23 |
| 3 (3) | 002 (2) | 4A2 | Worcester/Somerset Simulcast | Worcester, MD | 38.12886 | -75.49558 | 33 | 2020-09-28 |
| 3 (3) | 003 (3) | 4A3 | Wicomico Simulcast | Wicomico, MD | 38.31832 | -75.60926 | 18 | 2023-04-22 |
| 3 (3) | 004 (4) | 4A4 | Smithville ASR | Dorchester, MD | 38.4243 | -76.19535 | 10 | 2023-04-22 |
| 3 (3) | 005 (5) | 4A5 | Dorchester Simulcast | Dorchester, MD | 0 | 0 | 0 | 2020-09-28 |
| 3 (3) | 006 (6) | 4A6 | Talbot Simulcast | Talbot, MD | 38.75515 | -76.12152 | 15 | 2020-09-28 |
| 3 (3) | 007 (7) | 4A7 | Kent Simulcast | Kent, MD | 39.18312 | -75.98494 | 18 | 2021-01-10 |
| 3 (3) | 008 (8) | 4A8 | Caroline Simulcast | Caroline, MD | 0 | 0 | 0 | 2018-07-26 |
| 3 (3) | 009 (9) | 4A9 | Queen Anne's Simulcast | Queen Anne's, MD | 39.01385 | -76.03775 | 22.5 | 2021-01-10 |
| 3 (3) | 010 (A) | 4AA | Federalsburg ASR | Caroline, MD | 38.69428 | -75.77216 | 7 | 2020-08-27 |
| 3 (3) | 011 (B) | 4AB | Matapeake ASR | Queen Anne's, MD | 38.92865 | -76.27881 | 9 | 2021-01-10 |
| 3 (3) | 012 (C) | 4AC | Bozman ASR | Talbot, MD | 38.76539 | -76.28133 | 10 | 2020-09-28 |
| 3 (3) | 013 (D) | 4AF | Cecilton ASR | Cecil, MD | 39.404 | -75.86744 | 8 | 2021-01-10 |
| 3 (3) | 014 (E) | 4A4 | Cecil Simulcast | Cecil, MD | 0 | 0 | 0 | 2021-01-10 |
| 3 (3) | 015 (F) | 4AE | Crisfield ASR | Somerset, MD | 37.98172 | -75.8575 | 15 | 2023-09-28 |
| 5 (5) | 001 (1) | 4A8 | Montgomery Simulcast | Montgomery, MD | 0 | 0 | 0 | 2023-09-27 |
| 5 (5) | 002 (2) | 4A3 | Prince George's Simulcast | Prince George's, MD | 0 | 0 | 0 | 2021-02-16 |
| 5 (5) | 003 (3) | 4A7 | Calvert Simulcast | Calvert, MD | 0 | 0 | 0 | 2023-04-23 |
| 5 (5) | 004 (4) | 4AB | Charles Simulcast | Charles, MD | 0 | 0 | 0 | 2023-04-20 |
| 5 (5) | 005 (5) | 4A1 | Nice Bridge ASR | Charles, MD | 38.3639 | -76.97653 | 10 | 2020-10-21 |
| 5 (5) | 006 (6) | 4A6 | St. Mary's Simulcast | St. Mary's, MD | 0 | 0 | 0 | 2023-04-23 |
| 5 (5) | 007 (7) | 4A9 | Bethune ASR | St. Mary's, MD | 38.29115 | -76.76793 | 10 | 2022-02-02 |
| 5 (5) | 008 (8) | 4A8 | DC ASR | Washington DC, DC | 38.89542 | -77.01556 | 7 | 2025-06-14 |
