Universal Licensing System
KNHF451
License details
| ULS identifier | 1287657 |
|---|---|
| Call sign | KNHF451 |
| Radio service | PW |
| Status | A |
| Grant date | 2024-01-08 |
| Expiration | 2033-12-18 |
| Frequency range | 453.2625 - 458.9 MHz (4 frequencies) |
| Locations | 6 |
| Representative location | ANDOVER, ESSEX, MA |
| Coordinates | 42.6538889, -71.2194444 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-09 03:06:40 |
Licensee
| Name | ANDOVER, TOWN OF |
|---|---|
| Applicant type | G |
| FRN | 0007519457 |
| Location | ANDOVER, MA |
| Address | 32 North Main Street, ANDOVER, MA, 01810 |
| Phone | 9786233711 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | FB2 | 453.26250000 | 50.000000 | 50.000000 | |||
| 2 | 1 | MO | 453.26250000 | 40.000000 | 40.000000 | |||
| 5 | 1 | FB2 | 453.26250000 | 60.000000 | 30.000000 | |||
| 6 | 1 | FB2 | 453.26250000 | 60.000000 | 110.000000 | |||
| 7 | 1 | FB2 | 453.26250000 | 60.000000 | 110.000000 | |||
| 8 | 1 | MO | 453.26250000 | 40.000000 | 40.000000 | |||
| 9 | 1 | MO | 453.26250000 | 40.000000 | 40.000000 | |||
| 10 | 1 | MO | 453.26250000 | 40.000000 | 40.000000 | |||
| 1 | 1 | FB2 | 453.90000000 | 20.000000 | 50.000000 | |||
| 2 | 1 | MO | 453.90000000 | 40.000000 | 40.000000 | |||
| 3 | 1 | FB2 | 453.90000000 | 20.000000 | 50.000000 | |||
| 4 | 1 | MO | 453.90000000 | 4.000000 | 4.000000 | |||
| 5 | 1 | FB2 | 453.90000000 | 20.000000 | 50.000000 | |||
| 6 | 1 | FB2 | 453.90000000 | 20.000000 | 50.000000 | |||
| 7 | 1 | FB2 | 453.90000000 | 60.000000 | 110.000000 | |||
| 8 | 1 | MO | 453.90000000 | 40.000000 | 40.000000 | |||
| 9 | 1 | MO | 453.90000000 | 40.000000 | 40.000000 | |||
| 10 | 1 | MO | 453.90000000 | 40.000000 | 40.000000 | |||
| 2 | 1 | MO | 458.26250000 | 40.000000 | 40.000000 | |||
| 8 | 1 | MO | 458.26250000 | 40.000000 | 40.000000 | |||
| 9 | 1 | MO | 458.26250000 | 40.000000 | 40.000000 | |||
| 10 | 1 | MO | 458.26250000 | 40.000000 | 40.000000 | |||
| 2 | 1 | MO | 458.90000000 | 40.000000 | 40.000000 | |||
| 4 | 1 | MO | 458.90000000 | 4.000000 | 4.000000 | |||
| 8 | 1 | MO | 458.90000000 | 40.000000 | 40.000000 | |||
| 9 | 1 | MO | 458.90000000 | 40.000000 | 40.000000 | |||
| 10 | 1 | MO | 458.90000000 | 40.000000 | 40.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 1 | 1 | 453.26250000 | 11K3F3E | |
| 1 | 1 | 453.26250000 | 11K2F3E | |
| 2 | 1 | 453.26250000 | 11K3F3E | |
| 2 | 1 | 453.26250000 | 11K2F3E | |
| 5 | 1 | 453.26250000 | 11K2F3E | |
| 5 | 1 | 453.26250000 | 11K3F3E | |
| 6 | 1 | 453.26250000 | 11K2F3E | |
| 6 | 1 | 453.26250000 | 11K3F3E | |
| 7 | 1 | 453.26250000 | 11K3F3E | |
| 7 | 1 | 453.26250000 | 11K2F3E | |
| 8 | 1 | 453.26250000 | 11K3F3E | |
| 8 | 1 | 453.26250000 | 11K2F3E | |
| 9 | 1 | 453.26250000 | 11K2F3E | |
| 9 | 1 | 453.26250000 | 11K3F3E | |
| 10 | 1 | 453.26250000 | 11K3F3E | |
| 10 | 1 | 453.26250000 | 11K2F3E | |
| 1 | 1 | 453.90000000 | 11K3F3E | |
| 1 | 1 | 453.90000000 | 11K2F3E | |
| 2 | 1 | 453.90000000 | 11K3F3E | |
| 2 | 1 | 453.90000000 | 11K2F3E | |
| 3 | 1 | 453.90000000 | 11K3F3E | |
| 3 | 1 | 453.90000000 | 11K2F3E | |
| 4 | 1 | 453.90000000 | 11K2F3E | |
| 4 | 1 | 453.90000000 | 11K3F3E | |
| 5 | 1 | 453.90000000 | 11K2F3E | |
| 5 | 1 | 453.90000000 | 11K3F3E | |
| 6 | 1 | 453.90000000 | 11K2F3E | |
| 6 | 1 | 453.90000000 | 11K3F3E | |
| 7 | 1 | 453.90000000 | 11K3F3E | |
| 7 | 1 | 453.90000000 | 11K2F3E | |
| 8 | 1 | 453.90000000 | 11K3F3E | |
| 8 | 1 | 453.90000000 | 11K2F3E | |
| 9 | 1 | 453.90000000 | 11K3F3E | |
| 9 | 1 | 453.90000000 | 11K2F3E | |
| 10 | 1 | 453.90000000 | 11K2F3E | |
| 10 | 1 | 453.90000000 | 11K3F3E | |
| 2 | 1 | 458.26250000 | 11K3F3E | |
| 2 | 1 | 458.26250000 | 11K2F3E | |
| 8 | 1 | 458.26250000 | 11K2F3E | |
| 8 | 1 | 458.26250000 | 11K3F3E | |
| 9 | 1 | 458.26250000 | 11K2F3E | |
| 9 | 1 | 458.26250000 | 11K3F3E | |
| 10 | 1 | 458.26250000 | 11K3F3E | |
| 10 | 1 | 458.26250000 | 11K2F3E | |
| 2 | 1 | 458.90000000 | 11K3F3E | |
| 2 | 1 | 458.90000000 | 11K2F3E | |
| 4 | 1 | 458.90000000 | 11K2F3E | |
| 4 | 1 | 458.90000000 | 11K3F3E | |
| 8 | 1 | 458.90000000 | 11K2F3E | |
| 8 | 1 | 458.90000000 | 11K3F3E | |
| 9 | 1 | 458.90000000 | 11K3F3E | |
| 9 | 1 | 458.90000000 | 11K2F3E | |
| 10 | 1 | 458.90000000 | 11K2F3E | |
| 10 | 1 | 458.90000000 | 11K3F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | HOLT HILL TOWER, ANDOVER, ESSEX, MA | 42.64119444, -71.10672222 | 135.000 m | TOWER | 31.000 m structure / 34.000 m overall | N |
| 2 | T | N | |||||
| 3 | T | BELL TOWER PHILLIPS ACADEMY MAIN STREET, ANDOVER, ESSEX, MA | 42.64527778, -71.13166667 | 85.000 m | B | 30.000 m structure / 30.000 m overall | N |
| 4 | T | N | |||||
| 5 | T | END OF HOLMES ROAD, ANDOVER, ESSEX, MA | 42.65388889, -71.21944444 | 118.800 m | LTOWER | 31.000 m structure / 34.000 m overall | N |
| 6 | T | 119 Chandler Road, Andover, ESSEX, MA | 42.67383333, -71.19041667 | 61.300 m | MTOWER | 45.700 m structure / 45.700 m overall | N |
| 7 | T | 161 ANDOVER STREET, ANDOVER, ESSEX, MA | 42.62888889, -71.16111111 | 21.000 m | B | 10.000 m structure / 13.000 m overall | N |
| 8 | T | N | |||||
| 9 | T | N | |||||
| 10 | T | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 25.000 m | 124.000 | |||||
| 1 | 2 | T | |||||||
| 1 | 3 | T | 30.000 m | V | 3.0000 | 316.0000 | 78.200 | ||
| 1 | 4 | T | |||||||
| 1 | 5 | T | 30.400 m | 103.000 | |||||
| 1 | 6 | T | 42.600 m | 60.000 | |||||
| 1 | 7 | T | 10.000 m | -13.000 | |||||
| 1 | 8 | T | |||||||
| 1 | 9 | T | |||||||
| 1 | 10 | T |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 36 BARLETT ST, ANDOVER, MA | ESSEX | 9786238280 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2025-11-24 | KNHF451 | LIMOD |
| 2024-01-08 | KNHF451 | LIREN |
| 2023-12-08 | KNHF451 | ESURNW |
| 2023-10-19 | KNHF451 | ESURNW |
| 2023-09-25 | KNHF451 | LETRES |
| 2013-11-23 | KNHF451 | LIREN |
| 2013-11-22 | KNHF451 | ESUAPR |
| 2013-11-18 | KNHF451 | ESURNW |
| 2013-09-23 | KNHF451 | LETRES |
| 2013-09-19 | KNHF451 | ESURNW |
| 2010-12-03 | KNHF451 | LIMOD |
| 2010-09-29 | KNHF451 | ESUAPR |
| 2009-11-06 | KNHF451 | LTSAPR |
| 2009-11-05 | KNHF451 | EFCAPR |
| 2009-10-31 | KNHF451 | LIAUA |
| 2009-10-30 | KNHF451 | ESCAPR |
| 2004-02-23 | KNHF451 | LETCNS |
| 2003-11-06 | KNHF451 | LIREN |
| 2003-09-22 | KNHF451 | LETRES |
| 2003-05-22 | KNHF451 | LIMOD |
| 2001-08-22 | KNHF451 | AUDOPR |
| 2000-10-20 | KNHF451 | LICCNV |
| 1998-12-18 | KNHF451 | AUTHPR |
| 1998-12-18 | KNHF451 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 1287657 | 2026-08-09 03:06:40 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | KNHF451 | ULS 1287657 | 2026-08-09 03:06:40 |
| Status | A | ULS 1287657 | 2026-08-09 03:06:40 |
| Service | PW | ULS 1287657 | 2026-08-09 03:06:40 |
| Grant Date | 2024-01-08 | ULS 1287657 | 2026-08-09 03:06:40 |
| Expiration Date | 2033-12-18 | ULS 1287657 | 2026-08-09 03:06:40 |