Universal Licensing System
WRDD884
Montgomery County Maryland
License details
| ULS identifier | 4146103 |
|---|
| Call sign | WRDD884 |
|---|
| Radio service | YW |
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| Status | A |
|---|
| Grant date | 2019-04-04 |
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| Expiration | 2029-04-04 |
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| Frequency range | 453.075 - 458.975 MHz (8 frequencies) |
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| Locations | 2 |
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| Representative location | POOLESVILLE, MONTGOMERY, MD |
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| Coordinates | 39.1628889, -77.4005556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:10 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB8 | 453.07500000 | | | 100.000000 | 88.000000 | |
| 1 | 1 | FB8 | 453.33750000 | | | 100.000000 | 88.000000 | |
| 1 | 1 | FB8 | 453.58750000 | | | 100.000000 | 88.000000 | |
| 1 | 1 | FB8 | 453.97500000 | | | 100.000000 | 88.000000 | |
| 2 | 1 | MO8 | 458.07500000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | MO8 | 458.33750000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | MO8 | 458.58750000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | MO8 | 458.97500000 | | | 35.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 453.07500000 | | 7K60FXD |
| 1 | 1 | 453.33750000 | | 7K60FXD |
| 1 | 1 | 453.58750000 | | 7K60FXD |
| 1 | 1 | 453.97500000 | | 7K60FXD |
| 2 | 1 | 458.07500000 | | 7K60FXD |
| 2 | 1 | 458.33750000 | | 7K60FXD |
| 2 | 1 | 458.58750000 | | 7K60FXD |
| 2 | 1 | 458.97500000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | JONESVILLE & JERUSALEM RDS., POOLESVILLE, MONTGOMERY, MD | 39.16288889, -77.40055556 | 144.200 m | LTOWER | 61.000 m structure / 61.000 m overall | |
| 2 | T | MONTGOMERY, MD | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 60.000 m | V | 7.0000 | 115.0000 | 94.800 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 100 MARYLAND AVENUE, ROCKVILLE, MD | MONTGOMERY | 3012791819 |
| 2 | 16647 CRABBS BRANCH WAY, ROCKVILLE, MD | MONTGOMERY | 2407738000 |
License history
| Date | File or call sign | Action |
|---|
| 2024-08-17 | WRDD884 | LIAUA |
| 2021-04-01 | WRDD884 | COR |
| 2021-03-31 | WRDD884 | COR |
| 2021-03-30 | WRDD884 | COR |
| 2021-03-30 | WRDD884 | AUTHPR |
| 2021-03-30 | WRDD884 | FRATRE |
| 2021-03-29 | WRDD884 | COR |
| 2021-03-29 | WRDD884 | INTDUP |
| 2021-01-19 | WRDD884 | FRATRM |
| 2021-01-19 | WRDD884 | ANATRM |
| 2021-01-19 | WRDD884 | LITEAT |
| 2021-01-19 | WRDD884 | LOATRM |
| 2020-11-12 | WRDD884 | PNLISR |
| 2020-11-12 | WRDD884 | LETTRS |
| 2020-11-06 | WRDD884 | COR |
| 2020-09-14 | WRDD884 | FRATRM |
| 2020-09-14 | WRDD884 | ANATRM |
| 2020-09-14 | WRDD884 | LITEAT |
| 2020-09-14 | WRDD884 | LOATRM |
| 2020-07-08 | WRDD884 | PNLISR |
| 2020-07-08 | WRDD884 | LETTRS |
| 2020-01-07 | WRDD884 | LETCNS |
| 2019-04-04 | WRDD884 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4146103 | 2026-08-02 01:10:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDD884 | ULS 4146103 | 2026-08-02 01:10:10 |
| Status | A | ULS 4146103 | 2026-08-02 01:10:10 |
| Service | YW | ULS 4146103 | 2026-08-02 01:10:10 |
| Grant Date | 2019-04-04 | ULS 4146103 | 2026-08-02 01:10:10 |
| Expiration Date | 2029-04-04 | ULS 4146103 | 2026-08-02 01:10:10 |