Universal Licensing System
KRW431
DERBES BROS INC
License details
| ULS identifier | 1912782 |
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| Call sign | KRW431 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1997-05-14 |
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| Expiration | 2002-07-27 |
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| Cancellation | 2002-12-01 |
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| Frequency range | 44.3 MHz |
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| Locations | 2 |
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| Representative location | QUINCY, NORFOLK, MA |
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| Coordinates | 42.2362222, -71.0183889 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:53 |
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Licensee
| Name | DERBES BROS INC |
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| Applicant type | C |
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| Location | QUINCY, MA |
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| Address | 44 BRANCH ST, QUINCY, MA, 02169 |
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| Phone | 6174719190 |
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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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| 1 | 1 | MO | 44.30000000 | | | 110.000000 | | |
| 2 | 1 | FB | 44.30000000 | | | 110.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 44.30000000 | | 20K0F3E |
| 2 | 1 | 44.30000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
| 2 | T | 44 BRANCH ST, QUINCY, NORFOLK, MA | 42.23622222, -71.01838889 | 29.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 24.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 44 BRANCH ST, QUINCY, MA | | 6174719190 |
License history
| Date | File or call sign | Action |
|---|
| 2002-12-01 | KRW431 | LIEXP |
| 2002-04-29 | KRW431 | LETRES |
| 2001-11-07 | KRW431 | AUDOPR |
| 2000-11-24 | KRW431 | LICCNV |
| 1997-05-14 | KRW431 | AUTHPR |
| 1997-05-14 | KRW431 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1912782 | 2026-08-02 01:27:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KRW431 | ULS 1912782 | 2026-08-02 01:27:53 |
| Status | E | ULS 1912782 | 2026-08-02 01:27:53 |
| Service | IG | ULS 1912782 | 2026-08-02 01:27:53 |
| Grant Date | 1997-05-14 | ULS 1912782 | 2026-08-02 01:27:53 |
| Expiration Date | 2002-07-27 | ULS 1912782 | 2026-08-02 01:27:53 |
| Cancellation Date | 2002-12-01 | ULS 1912782 | 2026-08-02 01:27:53 |