Universal Licensing System
KM4122
WHDH-TV
License details
| ULS identifier | 1112132 |
|---|
| Call sign | KM4122 |
|---|
| Radio service | RP |
|---|
| Status | A |
|---|
| Grant date | 1985-07-15 |
|---|
| Expiration | 2031-04-01 |
|---|
| Frequency range | 455.25 MHz |
|---|
| Locations | 1 |
|---|
| Representative location | BOSTON, SUFFOLK, MA |
|---|
| Coordinates | 42.3170000, -79.0655833 |
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| Source archive | l_LMbcast.zip |
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| Dataset refreshed | 2026-08-02 00:37:33 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 455.25000000 | | | 100.000000 | 79.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 455.25000000 | | 100KF3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BOSTON, SUFFOLK, MA | 42.31700000, -79.06558333 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | GOVERNMENT CENTER, 7 BULFINCH PLACE, BOSTON, MA | SUFFOLK | 6177250810 |
License history
| Date | File or call sign | Action |
|---|
| 2026-04-15 | KM4122 | LIAUA |
| 2026-02-04 | KM4122 | PNACT |
| 2026-01-30 | KM4122 | PLAUPR |
| 2026-01-29 | KM4122 | LIREN |
| 2023-12-01 | KM4122 | PLAUPR |
| 2023-05-31 | KM4122 | PNACT |
| 2023-05-25 | KM4122 | LIREN |
| 2022-01-06 | KM4122 | PARREB |
| 2021-05-26 | KM4122 | PNACT |
| 2021-05-20 | KM4122 | AUTHPR |
| 2021-05-19 | KM4122 | LIMOD |
| 2015-05-27 | KM4122 | PNACT |
| 2015-05-20 | KM4122 | PLAUPR |
| 2015-05-19 | KM4122 | PARSIL |
| 2015-05-19 | KM4122 | LIREN |
| 2014-10-15 | KM4122 | AUTHPR |
| 2014-10-15 | KM4122 | PNACT |
| 2014-10-11 | KM4122 | LIREN |
| 2014-07-16 | KM4122 | LIAUA |
| 2014-06-30 | KM4122 | ESUAPR |
| 2006-12-29 | KM4122 | LIAUA |
| 2006-12-28 | KM4122 | ESCAPR |
| 2006-12-27 | KM4122 | PNACT |
| 2006-12-22 | KM4122 | ESCFRN |
| 2006-12-21 | KM4122 | LIMOD |
| 2006-12-21 | KM4122 | AUTHPR |
| 2003-02-10 | KM4122 | AUTHPR |
| 2003-01-29 | KM4122 | PNACT |
| 2003-01-23 | KM4122 | AUTHPR |
| 2003-01-21 | KM4122 | LIMOD |
| 2000-09-15 | KM4122 | LICCNV |
| 1999-07-22 | KM4122 | AUTHPR |
| 1985-07-15 | KM4122 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1112132 | 2026-08-02 00:37:33 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KM4122 | ULS 1112132 | 2026-08-02 00:37:33 |
| Status | A | ULS 1112132 | 2026-08-02 00:37:33 |
| Service | RP | ULS 1112132 | 2026-08-02 00:37:33 |
| Grant Date | 1985-07-15 | ULS 1112132 | 2026-08-02 00:37:33 |
| Expiration Date | 2031-04-01 | ULS 1112132 | 2026-08-02 00:37:33 |