Universal Licensing System
WPMH251
CHESAPEAKE BIOLOGICAL LABORATORIES INC
License details
| ULS identifier | 1794342 |
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| Call sign | WPMH251 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2003-06-10 |
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| Expiration | 2013-07-27 |
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| Cancellation | 2007-07-16 |
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| Frequency range | 464.125 - 469.125 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | BALTIMORE, BALTIMORE CITY, MD |
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| Coordinates | 39.2791389, -76.6271389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:15:41 |
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Licensee
| Name | CHESAPEAKE BIOLOGICAL LABORATORIES INC |
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| Applicant type | C |
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| FRN | 0007190937 |
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| Location | BALTIMORE, MD |
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| Address | 1111 SOUTH PACA STREET, BALTIMORE, MD, 21230 |
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| Phone | 4108435000 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 2 | 1 | FB2 | 464.12500000 | | | 10.000000 | 15.000000 | |
| 3 | 1 | MO | 464.12500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 466.30000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 466.38750000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 469.12500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 464.12500000 | | 20K0F3E |
| 3 | 1 | 464.12500000 | | 20K0F3E |
| 1 | 1 | 466.30000000 | | 11K2F3E |
| 1 | 1 | 466.38750000 | | 11K2F3E |
| 3 | 1 | 469.12500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BALTIMORE, BALTIMORE CITY, MD | 39.27955556, -76.62691667 | 0.000 m | | 0.000 m structure / 0.000 m overall | N |
| 2 | T | 1111 SOUTH PACA ST, BALTIMORE, BALTIMORE CITY, MD | 39.27913889, -76.62713889 | 5.000 m | BANT | 9.100 m structure / 12.100 m overall | N |
| 3 | T | | | 0.000 m | | 0.000 m structure / 0.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | | | 12.100 m | | 6.0000 | 360.0000 | 36.400 | |
| 1 | 3 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1111 SOUTH PACA STREET, BALTIMORE, MD | BALTIMORE CITY | 4108435000 |
License history
| Date | File or call sign | Action |
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| 2007-07-18 | WPMH251 | LICAN |
| 2003-07-31 | WPMH251 | LETCNS |
| 2003-06-10 | WPMH251 | LIREN |
| 2003-06-06 | WPMH251 | LITIN |
| 2003-05-05 | WPMH251 | LETRES |
| 2002-09-03 | WPMH251 | LIMOD |
| 2002-07-01 | WPMH251 | LITIN |
| 2001-08-31 | WPMH251 | AUDOPR |
| 2000-11-23 | WPMH251 | LICCNV |
| 1998-07-27 | WPMH251 | LIISS |
| 1998-07-27 | WPMH251 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1794342 | 2026-08-02 01:15:41 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPMH251 | ULS 1794342 | 2026-08-02 01:15:41 |
| Status | C | ULS 1794342 | 2026-08-02 01:15:41 |
| Service | IG | ULS 1794342 | 2026-08-02 01:15:41 |
| Grant Date | 2003-06-10 | ULS 1794342 | 2026-08-02 01:15:41 |
| Expiration Date | 2013-07-27 | ULS 1794342 | 2026-08-02 01:15:41 |
| Cancellation Date | 2007-07-16 | ULS 1794342 | 2026-08-02 01:15:41 |