Universal Licensing System
WQFF254
CTTWB Associates LP
License details
| ULS identifier | 2823749 |
|---|
| Call sign | WQFF254 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2016-05-17 |
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| Expiration | 2026-06-29 |
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| Frequency range | 451.7375 - 466.4875 MHz (4 frequencies) |
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| Locations | 3 |
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| Representative location | Washington, Washington, DC |
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| Coordinates | 38.8997500, -77.0417778 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:18:01 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | MO | 451.73750000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 452.63750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 461.48750000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 461.48750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 466.48750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 451.73750000 | | 7K60FXD |
| 3 | 1 | 451.73750000 | | 7K60FXE |
| 3 | 1 | 452.63750000 | | 7K60FXD |
| 3 | 1 | 452.63750000 | | 7K60FXE |
| 1 | 1 | 461.48750000 | | 7K60FXD |
| 1 | 1 | 461.48750000 | | 7K60FXE |
| 2 | 1 | 461.48750000 | | 7K60FXE |
| 2 | 1 | 461.48750000 | | 7K60FXD |
| 2 | 1 | 466.48750000 | | 7K60FXD |
| 2 | 1 | 466.48750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1875 Pennsylvania Ave NW, Washington, Washington, DC | 38.89975000, -77.04177778 | 20.700 m | B | 10.700 m structure / 10.700 m overall | N |
| 2 | T | | | | | | |
| 3 | T | Washington, Washington, DC | 38.89975000, -77.04177778 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 10.700 m | | | | -21.900 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1875 Pennsylvania Avenue, N.W., Washington, DC | | 2022232932 |
License history
| Date | File or call sign | Action |
|---|
| 2026-04-06 | WQFF254 | LETRES |
| 2016-05-17 | WQFF254 | LIREN |
| 2016-04-04 | WQFF254 | LETRES |
| 2011-09-13 | WQFF254 | LIMOD |
| 2007-04-02 | WQFF254 | LETCNS |
| 2006-06-29 | WQFF254 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2823749 | 2026-08-02 01:18:01 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQFF254 | ULS 2823749 | 2026-08-02 01:18:01 |
| Status | A | ULS 2823749 | 2026-08-02 01:18:01 |
| Service | IG | ULS 2823749 | 2026-08-02 01:18:01 |
| Grant Date | 2016-05-17 | ULS 2823749 | 2026-08-02 01:18:01 |
| Expiration Date | 2026-06-29 | ULS 2823749 | 2026-08-02 01:18:01 |