Universal Licensing System
WHF991
Maryland State Highway Administration
License details
| ULS identifier | 1976185 |
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| Call sign | WHF991 |
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| Radio service | MC |
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| Status | A |
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| Grant date | 2022-12-15 |
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| Expiration | 2033-03-10 |
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| Frequency range | 156.425 - 156.8 MHz (3 frequencies) |
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| Locations | 1 |
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| Representative location | ANNAPOLIS, ANNE ARUNDEL, MD |
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| Coordinates | 38.9926111, -76.5074722 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:06 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FCL | 156.42500000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.45000000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.80000000 | | | 50.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 156.42500000 | | 16K0F3E |
| 1 | 1 | 156.45000000 | | 16K0F3E |
| 1 | 1 | 156.80000000 | | 16K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MD 436 AND RIDGELY AVE, ANNAPOLIS, ANNE ARUNDEL, MD | 38.99261111, -76.50747222 | 12.000 m | B | 3.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 6.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2022-12-15 | WHF991 | LIREN |
| 2022-12-12 | WHF991 | LETRES |
| 2019-03-21 | WHF991 | LIAUA |
| 2018-02-08 | WHF991 | LIAUA |
| 2012-12-19 | WHF991 | LIREN |
| 2012-12-17 | WHF991 | LETRES |
| 2012-12-10 | WHF991 | ESURNW |
| 2011-10-27 | WHF991 | LIAUA |
| 2011-10-25 | WHF991 | ESUAPR |
| 2005-12-08 | WHF991 | LIAUA |
| 2005-12-08 | WHF991 | LTSAPR |
| 2005-12-07 | WHF991 | ESUAPR |
| 2005-12-07 | WHF991 | EFUAPR |
| 2005-07-26 | WHF991 | ESCAPR |
| 2004-03-10 | WHF991 | LIAUA |
| 2004-03-09 | WHF991 | ESCAPR |
| 2002-12-13 | WHF991 | LIREN |
| 2001-04-27 | WHF991 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1976185 | 2026-08-02 02:08:06 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WHF991 | ULS 1976185 | 2026-08-02 02:08:06 |
| Status | A | ULS 1976185 | 2026-08-02 02:08:06 |
| Service | MC | ULS 1976185 | 2026-08-02 02:08:06 |
| Grant Date | 2022-12-15 | ULS 1976185 | 2026-08-02 02:08:06 |
| Expiration Date | 2033-03-10 | ULS 1976185 | 2026-08-02 02:08:06 |