Universal Licensing System
KNFG546
CONCRETE SUPPLY COMPANY, LLC
License details
| ULS identifier | 1852444 |
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| Call sign | KNFG546 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2012-02-15 |
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| Expiration | 2022-02-19 |
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| Cancellation | 2022-04-23 |
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| Frequency range | 47.56 MHz |
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| Locations | 2 |
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| Representative location | WHITE OAK, MONTGOMERY, MD |
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| Coordinates | 39.0517778, -76.9660833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:19:16 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 47.56000000 | | | 100.000000 | | |
| 2 | 1 | MO | 47.56000000 | | | 100.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 47.56000000 | | 20K0F3E |
| 2 | 1 | 47.56000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 11700 CHERRY HILL RD, WHITE OAK, MONTGOMERY, MD | 39.05177778, -76.96608333 | 104.000 m | | | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 27.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 11700 CHERRY HILL RD WHITE, OAK, MD | | 3016222990 |
License history
| Date | File or call sign | Action |
|---|
| 2022-04-23 | KNFG546 | LIEXP |
| 2021-11-29 | KNFG546 | LETRES |
| 2012-02-15 | KNFG546 | LIREN |
| 2011-11-30 | KNFG546 | LIASS |
| 2011-11-28 | KNFG546 | LETRES |
| 2011-06-17 | KNFG546 | LTSAPR |
| 2009-08-14 | KNFG546 | LTSAPR |
| 2001-12-12 | KNFG546 | LIREN |
| 2001-12-11 | KNFG546 | LITIN |
| 2001-11-26 | KNFG546 | LETRES |
| 2001-09-04 | KNFG546 | AUDOPR |
| 2000-11-24 | KNFG546 | LICCNV |
| 1996-12-23 | KNFG546 | AUTHPR |
| 1996-12-23 | KNFG546 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1852444 | 2026-08-02 01:19:16 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNFG546 | ULS 1852444 | 2026-08-02 01:19:16 |
| Status | E | ULS 1852444 | 2026-08-02 01:19:16 |
| Service | IG | ULS 1852444 | 2026-08-02 01:19:16 |
| Grant Date | 2012-02-15 | ULS 1852444 | 2026-08-02 01:19:16 |
| Expiration Date | 2022-02-19 | ULS 1852444 | 2026-08-02 01:19:16 |
| Cancellation Date | 2022-04-23 | ULS 1852444 | 2026-08-02 01:19:16 |