Universal Licensing System
WRFF375
Alclear LLC
License details
| ULS identifier | 4252433 |
|---|
| Call sign | WRFF375 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2020-02-19 |
|---|
| Expiration | 2030-02-19 |
|---|
| Frequency range | 452.0375 - 457.6375 MHz (5 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | BALTIMORE, ANNE ARUNDEL, MD |
|---|
| Coordinates | 39.1773889, -76.6683889 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:23:35 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 452.03750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.63750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.03750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.48750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.63750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.03750000 | | 7K60FXE |
| 1 | 1 | 452.63750000 | | 7K60FXE |
| 1 | 1 | 457.03750000 | | 7K60FXE |
| 1 | 1 | 457.48750000 | | 7K60FXE |
| 1 | 1 | 457.63750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BALTIMORE, ANNE ARUNDEL, MD | 39.17738889, -76.66838889 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | BALTIMORE/WASHINGTON INTERNATIONAL THURGOOD MARSHALL AIRPORT (BWI) TERMINAL E, BALTIMORE, MD | ANNE ARUNDEL | 6465490886 |
License history
| Date | File or call sign | Action |
|---|
| 2020-11-24 | WRFF375 | LETCNS |
| 2020-02-19 | WRFF375 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4252433 | 2026-08-02 01:23:35 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFF375 | ULS 4252433 | 2026-08-02 01:23:35 |
| Status | A | ULS 4252433 | 2026-08-02 01:23:35 |
| Service | IG | ULS 4252433 | 2026-08-02 01:23:35 |
| Grant Date | 2020-02-19 | ULS 4252433 | 2026-08-02 01:23:35 |
| Expiration Date | 2030-02-19 | ULS 4252433 | 2026-08-02 01:23:35 |