Universal Licensing System
KB55390
MARYLAND PUBLIC BROADCASTING COMMISSION
License details
| ULS identifier | 956097 |
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| Call sign | KB55390 |
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| Radio service | TP |
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| Status | C |
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| Grant date | 1985-03-25 |
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| Cancellation | 2024-04-03 |
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| Frequency range | 12700 - 13250 MHz (8 frequencies) |
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| Locations | 1 |
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| Representative location | CLEAR SPRING, WASHINGTON, MD |
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| Coordinates | 39.6511944, -77.9705278 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:44:51 |
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Licensee
| Name | MARYLAND PUBLIC BROADCASTING COMMISSION |
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| Applicant type | G |
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| FRN | 0003857380 |
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| Location | OWINGS MILLS, MD |
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| Address | 11767 Owings Mills Boulevard, OWINGS MILLS, MD, 21117 |
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| Phone | 4105814291 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 12700.00000000 | 12800.00000000 | | | | |
| 1 | 3 | MO | 12800.00000000 | 12900.00000000 | | | | |
| 1 | 5 | MO | 12900.00000000 | 13000.00000000 | | | | |
| 1 | 7 | MO | 13000.00000000 | 13100.00000000 | | | | |
| 1 | 9 | MO | 13100.00000000 | 13200.00000000 | | | | |
| 1 | 11 | MO | 13200.00000000 | 13225.00000000 | | | | |
| 1 | 13 | MO | 13225.00000000 | 13250.00000000 | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 12700.00000000 | | 25M0F9W |
| 1 | 3 | 12800.00000000 | | 25M0F9W |
| 1 | 5 | 12900.00000000 | | 25M0F9W |
| 1 | 7 | 13000.00000000 | | 25M0F9W |
| 1 | 9 | 13100.00000000 | | 25M0F9W |
| 1 | 11 | 13200.00000000 | | 25M0F9W |
| 1 | 13 | 13225.00000000 | | 25M0F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 11668 NATIONAL PIKE, CLEAR SPRING, WASHINGTON, MD | 39.65119444, -77.97052778 | | | | N |
| 2 | R | 11668 NATIONAL PIKE, CLEAR SPRING, WASHINGTON, MD | 39.65111111, -77.97055556 | 438.900 m | LTOWER | 110.900 m structure / 126.500 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 2 | R | NSI Silhouette | | | 30.0000 | | | |
| 2 | R | NSI SIlhouette CRS2 | | | 30.0000 | | | |
| 2 | R | NSI Silhouette CRS2 | | | 30.0000 | | | |
| 2 | R | NSI Silhouette CRS2 | | | 30.0000 | | | |
| 2 | R | NSI Silhouette CRS2 | | | 30.0000 | | | |
| 2 | R | NSI Silhouette CRS2 | | | 30.0000 | | | |
| 2 | R | NSI Silhouette CRS2 | | | 30.0000 | | | |
| 1 | 1 | T | MRC 2A20SS/7A30SS | | S | 30.0000 | 999.0000 | | |
| 3 | 1 | T | MRC 2A20SS/7A30SS | | S | 30.0000 | 999.0000 | | |
| 5 | 1 | T | MRC 2A20SS/7A30SS | | S | 30.0000 | 999.0000 | | |
| 7 | 1 | T | MRC 2A29SS/7A30SS | | S | 30.0000 | 999.0000 | | |
| 9 | 1 | T | MRC 2A20SS/7A30SS | | S | 30.0000 | 999.0000 | | |
| 11 | 1 | T | MRC 2A20SS/7A30SS | | S | 30.0000 | 999.0000 | | |
| 13 | 1 | T | MRC 2A20SS/7A30SS | | S | 30.0000 | 999.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2024-04-03 | KB55390 | LICAN |
| 2020-06-03 | KB55390 | PNACT |
| 2020-06-01 | KB55390 | PLAUPR |
| 2020-05-29 | KB55390 | LIREN |
| 2013-06-10 | KB55390 | LIMOD |
| 2013-03-29 | KB55390 | ESCAPR |
| 2012-10-03 | KB55390 | PNACT |
| 2012-09-29 | KB55390 | AUTHPR |
| 2012-09-28 | KB55390 | LIREN |
| 2005-04-20 | KB55390 | PNACT |
| 2005-04-12 | KB55390 | AUTHPR |
| 2005-04-11 | KB55390 | LIREN |
| 2003-03-05 | KB55390 | PNACT |
| 2003-03-01 | KB55390 | AUTHPR |
| 2003-02-28 | KB55390 | LIMOD |
| 2003-01-29 | KB55390 | PNACT |
| 2003-01-22 | KB55390 | AUTHPR |
| 2003-01-21 | KB55390 | LIMOD |
| 1999-08-13 | KB55390 | LICCNV |
| 1998-11-05 | KB55390 | COR |
| 1998-09-24 | KB55390 | COR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 956097 | 2026-08-02 02:44:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KB55390 | ULS 956097 | 2026-08-02 02:44:51 |
| Status | C | ULS 956097 | 2026-08-02 02:44:51 |
| Service | TP | ULS 956097 | 2026-08-02 02:44:51 |
| Grant Date | 1985-03-25 | ULS 956097 | 2026-08-02 02:44:51 |
| Cancellation Date | 2024-04-03 | ULS 956097 | 2026-08-02 02:44:51 |