Universal Licensing System
KNIR526
JOHNS LABOR GROUP INC
License details
| ULS identifier | 1854760 |
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| Call sign | KNIR526 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1999-01-05 |
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| Expiration | 2004-02-16 |
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| Cancellation | 2004-04-25 |
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| Frequency range | 452.125 - 457.125 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | MT AIRY, MONTGOMERY, MD |
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| Coordinates | 39.3292778, -77.1894167 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:12:04 |
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Licensee
| Name | JOHNS LABOR GROUP INC |
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| Applicant type | C |
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| FRN | 0002154730 |
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| Location | CLARKSBURG, MD |
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| Address | CLARKSBURG, MD, 20871 |
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| Phone | 3019722399 |
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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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| 3 | 1 | FB4 | 452.12500000 | | | 90.000000 | 250.000000 | |
| 1 | 1 | MO | 457.12500000 | | | 20.000000 | | |
| 2 | 1 | FX1 | 457.12500000 | | | 20.000000 | 45.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 452.12500000 | | 20K0F3E |
| 1 | 1 | 457.12500000 | | 20K0F3E |
| 2 | 1 | 457.12500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
| 2 | T | MD | | | | | |
| 3 | T | 9265 BROWN CHURCH RD, MT AIRY, MONTGOMERY, MD | 39.32927778, -77.18941667 | 223.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 23.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 3489 ADGATE DR, IJAMSVILLE, MD | | 3018316788 |
License history
| Date | File or call sign | Action |
|---|
| 2004-04-25 | KNIR526 | LIEXP |
| 2003-11-24 | KNIR526 | LETRES |
| 2001-10-22 | KNIR526 | AUDOPR |
| 2000-12-13 | KNIR526 | LIAUA |
| 2000-11-24 | KNIR526 | LICCNV |
| 1999-01-05 | KNIR526 | AUTHPR |
| 1999-01-05 | KNIR526 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1854760 | 2026-08-02 01:12:04 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNIR526 | ULS 1854760 | 2026-08-02 01:12:04 |
| Status | E | ULS 1854760 | 2026-08-02 01:12:04 |
| Service | IG | ULS 1854760 | 2026-08-02 01:12:04 |
| Grant Date | 1999-01-05 | ULS 1854760 | 2026-08-02 01:12:04 |
| Expiration Date | 2004-02-16 | ULS 1854760 | 2026-08-02 01:12:04 |
| Cancellation Date | 2004-04-25 | ULS 1854760 | 2026-08-02 01:12:04 |