Universal Licensing System
KB50470
HARKINS BUILDERS INC
License details
| ULS identifier | 1593038 |
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| Call sign | KB50470 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2014-02-25 |
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| Expiration | 2024-04-04 |
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| Cancellation | 2024-06-08 |
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| Frequency range | 457.5625 - 469.8875 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | MONTGOMERY, MD |
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| Coordinates | 39.0456667, -77.2133056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:12:40 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 457.56250000 | | | 2.000000 | | |
| 1 | 1 | MO | 469.88750000 | | | 2.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 457.56250000 | | 11K2F3E |
| 1 | 1 | 469.88750000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MONTGOMERY, MD | 39.04566667, -77.21330556 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 12301 OLD COLUMBIA PIKE, SILVER SPRING, MD | MONTGOMERY | 2408765362 |
License history
| Date | File or call sign | Action |
|---|
| 2024-06-08 | KB50470 | LIEXP |
| 2024-01-08 | KB50470 | LETRES |
| 2019-02-11 | KB50470 | LIMOD |
| 2014-02-25 | KB50470 | LIREN |
| 2014-02-24 | KB50470 | ESUAPR |
| 2014-01-06 | KB50470 | LETRES |
| 2010-12-30 | KB50470 | LIAUA |
| 2010-12-30 | KB50470 | LTSAPR |
| 2010-12-08 | KB50470 | LIMOD |
| 2010-10-29 | KB50470 | LTSAPR |
| 2004-04-03 | KB50470 | LIREN |
| 2004-04-02 | KB50470 | LITIN |
| 2004-01-20 | KB50470 | AUDOPR |
| 2004-01-12 | KB50470 | LETRES |
| 2002-05-30 | KB50470 | LIAUA |
| 2000-11-22 | KB50470 | LICCNV |
| 1999-03-31 | KB50470 | AUTHPR |
| 1999-03-31 | KB50470 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1593038 | 2026-08-02 01:12:40 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KB50470 | ULS 1593038 | 2026-08-02 01:12:40 |
| Status | E | ULS 1593038 | 2026-08-02 01:12:40 |
| Service | IG | ULS 1593038 | 2026-08-02 01:12:40 |
| Grant Date | 2014-02-25 | ULS 1593038 | 2026-08-02 01:12:40 |
| Expiration Date | 2024-04-04 | ULS 1593038 | 2026-08-02 01:12:40 |
| Cancellation Date | 2024-06-08 | ULS 1593038 | 2026-08-02 01:12:40 |