6,600 assignments found (± 0.0125 MHz)
| Frequency (MHz) | Callsign | Licensee | Service | Location | Emission | Power |
|---|---|---|---|---|---|---|
| 451.8 MHz | WQJM414 | Wiztronics Inc | IG | — | 1 | 5.0 |
| 451.8 MHz | WQJM414 | Wiztronics Inc | IG | — | 1 | 35.0 |
| 451.8 MHz | WRBY248 | FIT | IG | Unknown County, Michigan | 5 | 45.0 |
| 451.8 MHz | WSCC790 | ACTION COMMUNICATIONS | IG | — | 25 | 50.0 |
| 451.8 MHz | WQEP941 | Federal License Management | IG | — | 12 | 5.0 |
| 451.8 MHz | WQEP941 | Federal License Management | IG | — | 13 | 5.0 |
| 451.8 MHz | WQEP941 | Federal License Management | IG | — | 14 | 5.0 |
| 451.8 MHz | KA64794 | TCS Communications Corp | IG | — | 15 | 25.0 |
| 451.8 MHz | WQPA703 | Business Radio Licensing | IG | — | 1 | 30.0 |
| 451.8 MHz | WQPA703 | Business Radio Licensing | IG | — | 2 | 4.0 |
| 451.8 MHz | WRAQ975 | BearCom | IG | Unknown County, Georgia | 1 | 40.0 |
| 451.8 MHz | WRAQ975 | BearCom | IG | Unknown County, Georgia | 1 | 4.0 |
| 451.8 MHz | WRPU825 | Mobile Communications America | IG | — | 2 | 45.0 |
| 451.8 MHz | WRPU784 | Mojave Repeater LLC | IG | — | 4 | 6.0 |
| 451.8 MHz | WSBZ467 | ATLAS LICENSE COMPANY & DATA SERVICES | IG | Unknown County, Kansas | 1 | 40.0 |
| 451.8 MHz | WSBZ446 | Two Way Direct, Inc | IG | Unknown County, California | 2 | 45.0 |
| 451.8 MHz | WSBZ446 | Two Way Direct, Inc | IG | Unknown County, Arizona | 2 | 45.0 |
| 451.8 MHz | WSBZ472 | Halo Surveying, LLC | IG | — | 8 | 35.0 |
| 451.8 MHz | WSBZ456 | Air Comm | IG | — | 9 | 4.0 |
| 451.8 MHz | WSBZ438 | Quality Two-Way Radios | IG | — | 18 | 40.0 |
| 451.8 MHz | WSBZ438 | Quality Two-Way Radios | IG | — | 28 | 5.0 |
| 451.8 MHz | WSHP724 | Alpha Wireless Communications Co | IG | Unknown County, Iowa | 2 | 40.0 |
| 451.8 MHz | WSHP733 | First Wireless, Inc | IG | — | 2 | 30.0 |
| 451.8 MHz | WSHP702 | MSO, LLC | IG | — | 7 | 20.0 |
| 451.8 MHz | WSHP696 | CARA Enterprises, Inc. | IG | Unknown County, Alaska | 7 | 4.0 |
| 451.8 MHz | WQXJ385 | Professional Wireless Comms. | IG | Unknown County, Minnesota | 2 | 4.0 |
| 451.8 MHz | WQXG965 | First Wireless, Inc. | IG | — | 3 | 4.0 |
| 451.8 MHz | WQZA726 | New Wave Licensing Services, Inc. | IG | — | 2 | 110.0 |
| 451.8 MHz | WQZA726 | New Wave Licensing Services, Inc. | IG | — | 7 | 110.0 |
| 451.8 MHz | WQZA795 | WirelessUSA, Inc. | IG | — | 8 | 30.0 |
| 451.8 MHz | WQZA726 | New Wave Licensing Services, Inc. | IG | — | 15 | 4.0 |
| 451.8 MHz | WRMC706 | Mobile Communications America | IG | — | 2 | 45.0 |
| 451.8 MHz | WRPV621 | FEDERAL LICENSING INC | IG | Unknown County, New Hampshire | 1 | 5.0 |
| 451.8 MHz | WRFY434 | TECH ELECT & COMM | IG | Unknown County, Ohio | 2 | 50.0 |
| 451.8 MHz | WRWS431 | BuyTwoWayRadios.com | IG | — | 2 | 5.0 |
| 451.8 MHz | WRWS430 | RADIO RESOURCE INC. | IG | — | 3 | 25.0 |
| 451.8 MHz | WRAG973 | Electronic Engineering Co | IG | — | 4 | 35.0 |
| 451.8 MHz | WRFL550 | Wilkinson Barker Knauer, LLP | IG | — | 13 | 25.0 |
| 451.8 MHz | WRFL550 | Wilkinson Barker Knauer, LLP | IG | — | 14 | 5.0 |
| 451.8 MHz | WQHC607 | MIOSI PI | IG | — | 93 | 35.0 |
| 451.8 MHz | WQHC607 | MIOSI PI | IG | — | 94 | 35.0 |
| 451.8 MHz | WRWS955 | FIT | IG | Unknown County, Illinois | 3 | 5.0 |
| 451.8 MHz | WRWS952 | K & C Communications | IG | — | 13 | 4.0 |
| 451.8 MHz | WRWS951 | MRC Licensing | IG | — | 16 | 4.0 |
| 451.8 MHz | WQLP927 | ELECTRONIC APPLICATIONS CO., INC. | IG | Unknown County, Iowa | 1 | 45.0 |
| 451.8 MHz | WRMD897 | FIT | IG | — | 2 | 45.0 |
| 451.8 MHz | WRPW615 | CHANCE HANGEN | IG | — | 1 | 50.0 |
| 451.8 MHz | WRPW616 | Charles Grisham | IG | Unknown County, Mississippi | 4 | 35.0 |
| 451.8 MHz | WSCA438 | PRO MANAGEMENT INC | IG | Unknown County, Oklahoma | 3 | 5.0 |
| 451.8 MHz | WRME567 | L James Thieman LLC | IG | — | 11 | 45.0 |