Universal Licensing System
WPKK486
MIDDLE RIVER ELECTRONICS
License details
| ULS identifier | 1747882 |
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| Call sign | WPKK486 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1997-03-21 |
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| Expiration | 2002-03-21 |
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| Cancellation | 2002-05-26 |
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| Frequency range | 463.8 - 468.8 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | BALTIMORE, MD |
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| Coordinates | 39.3951111, -76.5166389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:29:01 |
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Licensee
| Name | MIDDLE RIVER ELECTRONICS |
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| Applicant type | C |
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| Location | BALTIMORE, MD |
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| Address | 2118 TRED AVON RD, BALTIMORE, MD, 21221 |
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| Phone | 4106876474 |
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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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| 1 | 1 | FB4 | 463.80000000 | | | 110.000000 | 500.000000 | |
| 3 | 1 | MO | 463.80000000 | | | 35.000000 | 70.000000 | |
| 2 | 1 | FX1 | 468.80000000 | | | 35.000000 | | |
| 3 | 1 | MO | 468.80000000 | | | 35.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 463.80000000 | | 20K0F3E |
| 3 | 1 | 463.80000000 | | 20K0F3E |
| 2 | 1 | 468.80000000 | | 20K0F3E |
| 3 | 1 | 468.80000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3510 E JOPPA RD, BALTIMORE, MD | 39.39511111, -76.51663889 | 105.000 m | BTWR | 30.000 m structure / 39.000 m overall | N |
| 2 | T | MD | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 39.000 m | V | 10.0000 | 360.0000 | 71.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 233 NANTICOKE RD, BALTIMORE, MD | | 4106876474 |
License history
| Date | File or call sign | Action |
|---|
| 2002-05-26 | WPKK486 | LIEXP |
| 2001-12-26 | WPKK486 | LETRES |
| 2001-10-04 | WPKK486 | LETAUS |
| 2000-11-23 | WPKK486 | LICCNV |
| 1997-03-21 | WPKK486 | AUTHPR |
| 1997-03-21 | WPKK486 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1747882 | 2026-08-02 01:29:01 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKK486 | ULS 1747882 | 2026-08-02 01:29:01 |
| Status | E | ULS 1747882 | 2026-08-02 01:29:01 |
| Service | IG | ULS 1747882 | 2026-08-02 01:29:01 |
| Grant Date | 1997-03-21 | ULS 1747882 | 2026-08-02 01:29:01 |
| Expiration Date | 2002-03-21 | ULS 1747882 | 2026-08-02 01:29:01 |
| Cancellation Date | 2002-05-26 | ULS 1747882 | 2026-08-02 01:29:01 |