Universal Licensing System
WRDE621
ABM AVIATION
License details
| ULS identifier | 4147760 |
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| Call sign | WRDE621 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-04-10 |
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| Expiration | 2029-04-10 |
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| Frequency range | 451.7125 - 457.8375 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | HOUSTON, HARRIS, TX |
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| Coordinates | 29.9808889, -95.3463333 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:41 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.71250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.83750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.71250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.83750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.71250000 | | 7K60FXE |
| 1 | 1 | 451.71250000 | | 11K2F1D |
| 1 | 1 | 451.71250000 | | 11K2F3E |
| 1 | 1 | 451.71250000 | | 7K60FXD |
| 1 | 1 | 452.83750000 | | 11K2F1D |
| 1 | 1 | 452.83750000 | | 11K2F3E |
| 1 | 1 | 452.83750000 | | 7K60FXE |
| 1 | 1 | 452.83750000 | | 7K60FXD |
| 1 | 1 | 456.71250000 | | 11K2F3E |
| 1 | 1 | 456.71250000 | | 7K60FXE |
| 1 | 1 | 456.71250000 | | 11K2F1D |
| 1 | 1 | 456.71250000 | | 7K60FXD |
| 1 | 1 | 457.83750000 | | 7K60FXE |
| 1 | 1 | 457.83750000 | | 11K2F1D |
| 1 | 1 | 457.83750000 | | 7K60FXD |
| 1 | 1 | 457.83750000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | HOUSTON, HARRIS, TX | 29.98088889, -95.34633333 | | | | |
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 | 18455 VISCOUNT ROAD, HOUSTON, TX | HARRIS | 7029561663 |
License history
| Date | File or call sign | Action |
|---|
| 2020-01-14 | WRDE621 | LETCNS |
| 2019-04-10 | WRDE621 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4147760 | 2026-08-02 01:22:41 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDE621 | ULS 4147760 | 2026-08-02 01:22:41 |
| Status | A | ULS 4147760 | 2026-08-02 01:22:41 |
| Service | IG | ULS 4147760 | 2026-08-02 01:22:41 |
| Grant Date | 2019-04-10 | ULS 4147760 | 2026-08-02 01:22:41 |
| Expiration Date | 2029-04-10 | ULS 4147760 | 2026-08-02 01:22:41 |