Universal Licensing System
WRDU291
G2 SECURE STAFF
License details
| ULS identifier | 4181520 |
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| Call sign | WRDU291 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-07-20 |
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| Expiration | 2029-07-20 |
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| Frequency range | 464.3875 MHz |
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| Locations | 2 |
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| Representative location | Worcester, WORCESTER, MA |
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| Coordinates | 42.2693889, -71.8708056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:17:49 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 464.38750000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 464.38750000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.38750000 | | 11K2F3E |
| 1 | 1 | 464.38750000 | | 7K60FXE |
| 2 | 1 | 464.38750000 | | 11K2F3E |
| 2 | 1 | 464.38750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 375 Airport Drive, Worcester, WORCESTER, MA | 42.26938889, -71.87080556 | 300.000 m | BANT | 8.800 m structure / 10.700 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 10.700 m | | | | 89.300 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 375 Airport Drive, Worcester, MA | WORCESTER | 6178401789 |
License history
| Date | File or call sign | Action |
|---|
| 2025-08-26 | WRDU291 | LITRAN |
| 2020-04-21 | WRDU291 | LETCNS |
| 2020-01-02 | WRDU291 | LITRAN |
| 2019-07-20 | WRDU291 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4181520 | 2026-08-02 01:17:49 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDU291 | ULS 4181520 | 2026-08-02 01:17:49 |
| Status | A | ULS 4181520 | 2026-08-02 01:17:49 |
| Service | IG | ULS 4181520 | 2026-08-02 01:17:49 |
| Grant Date | 2019-07-20 | ULS 4181520 | 2026-08-02 01:17:49 |
| Expiration Date | 2029-07-20 | ULS 4181520 | 2026-08-02 01:17:49 |