Universal Licensing System
KNNM573
BRIGGS CORPORATION
License details
| ULS identifier | 1632882 |
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| Call sign | KNNM573 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1996-03-01 |
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| Expiration | 2001-03-01 |
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| Cancellation | 2001-05-06 |
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| Frequency range | 454.225 MHz |
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| Locations | 3 |
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| Representative location | PORTLAND, MIDDLESEX, CT |
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| Coordinates | 41.5687222, -72.6400833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:17:40 |
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Licensee
| Name | BRIGGS CORPORATION |
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| Applicant type | C |
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| FRN | 0003574720 |
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| Location | PORTLAND, CT |
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| Address | ONE BROWNSTONE AVE, PORTLAND, CT, 06480 |
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| Phone | 8603423500 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 454.22500000 | | | 5.000000 | 15.000000 | |
| 2 | 1 | FXO | 454.22500000 | | | 5.000000 | 15.000000 | |
| 3 | 1 | FXO | 454.22500000 | | | 5.000000 | 15.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 454.22500000 | | 20K0F3E |
| 2 | 1 | 454.22500000 | | 20K0F3E |
| 3 | 1 | 454.22500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | ONE BROWNSTONE AVE, PORTLAND, MIDDLESEX, CT | 41.56872222, -72.64008333 | 15.000 m | B | 6.000 m structure / 9.000 m overall | N |
| 2 | T | KICKAPOO RD BESECK MTN, MIDDLEFIELD, MIDDLESEX, CT | 41.51344444, -72.74563889 | 229.000 m | UPOLE | 11.000 m structure / 7.000 m overall | N |
| 3 | T | MIDWOOD FARM RD, EAST HAMPTON, MIDDLESEX, CT | 41.59872222, -72.52647222 | 259.000 m | B | 21.000 m structure / 24.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 9.000 m | | | | 0.000 | |
| 1 | 2 | T | | 7.000 m | | | | 0.000 | |
| 1 | 3 | T | | 24.000 m | | | | 0.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | ONE BROWNSTONE AVE, PORTLAND, CT | | 8603422500 |
License history
| Date | File or call sign | Action |
|---|
| 2001-05-06 | KNNM573 | LIEXP |
| 2000-12-03 | KNNM573 | LETRES |
| 2000-11-23 | KNNM573 | LICCNV |
| 1996-03-01 | KNNM573 | AUTHPR |
| 1996-03-01 | KNNM573 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1632882 | 2026-08-02 01:17:40 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNNM573 | ULS 1632882 | 2026-08-02 01:17:40 |
| Status | E | ULS 1632882 | 2026-08-02 01:17:40 |
| Service | IG | ULS 1632882 | 2026-08-02 01:17:40 |
| Grant Date | 1996-03-01 | ULS 1632882 | 2026-08-02 01:17:40 |
| Expiration Date | 2001-03-01 | ULS 1632882 | 2026-08-02 01:17:40 |
| Cancellation Date | 2001-05-06 | ULS 1632882 | 2026-08-02 01:17:40 |