Universal Licensing System
KNKB459
AMS Spectrum Holdings, LLC
License details
| ULS identifier | 1347 |
|---|
| Call sign | KNKB459 |
|---|
| Radio service | CD |
|---|
| Status | A |
|---|
| Grant date | 2019-04-23 |
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| Expiration | 2029-04-01 |
|---|
| Frequency range | 158.1 MHz |
|---|
| Locations | 3 |
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| Representative location | WAITHAM, MIDDLESEX, MA |
|---|
| Coordinates | 42.3888889, -71.2536111 |
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| Source archive | l_paging.zip |
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| Dataset refreshed | 2026-08-02 02:52:25 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 12 | 1 | FBBS | 158.10000000 | | | | 500.000000 | |
| 14 | 1 | FBBS | 158.10000000 | | | | 757.000000 | |
| 27 | 1 | FBBS | 158.10000000 | | | | 427.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 12 | 1 | 158.10000000 | | 16K0F1D |
| 12 | 1 | 158.10000000 | | 16K0F3E |
| 12 | 1 | 158.10000000 | | 15K0F2D |
| 14 | 1 | 158.10000000 | | 15K0F2D |
| 14 | 1 | 158.10000000 | | 16K0F1D |
| 14 | 1 | 158.10000000 | | 16K0F3E |
| 27 | 1 | 158.10000000 | | 16K0F3E |
| 27 | 1 | 158.10000000 | | 16K0F1D |
| 27 | 1 | 158.10000000 | | 15K0F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 12 | T | PROSPECT HILL, WAITHAM, MIDDLESEX, MA | 42.38888889, -71.25361111 | 122.500 m | | 102.400 m structure / 102.400 m overall | N |
| 14 | T | NASHOBA VALLEY SKI AREA, ON POWER ROAD, WESTFORD, MIDDLESEX, MA | 42.54036111, -71.44838889 | 129.900 m | | 33.500 m overall | N |
| 27 | T | 75 MOUNT AUBURN STREET, CAMBRIDGE, MIDDLESEX, MA | 42.37286111, -71.11863889 | 9.200 m | | 45.700 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 12 | T | CELW PD-220 | | V | 5.3000 | 900.0000 | | |
| 1 | 14 | T | DECIBEL DB-616 | 12.200 m | V | 8.2000 | 95.0000 | | |
| 1 | 27 | T | CELWAVE PD-220 | 45.700 m | V | | 360.0000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | Mount Uncanoonuc, Goffstown, NH | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-07-16 | KNKB459 | LIAUA |
| 2022-03-29 | KNKB459 | LIAUA |
| 2019-04-23 | KNKB459 | LIREN |
| 2019-02-11 | KNKB459 | LETRES |
| 2015-12-04 | KNKB459 | LIAUA |
| 2015-12-03 | KNKB459 | ESUAPR |
| 2013-04-20 | KNKB459 | LIAUA |
| 2013-04-19 | KNKB459 | ESUAPR |
| 2009-11-24 | KNKB459 | LIASS |
| 2009-11-13 | KNKB459 | ESUAPR |
| 2009-05-14 | KNKB459 | LIREN |
| 2009-03-19 | KNKB459 | ESUAPR |
| 2009-01-05 | KNKB459 | LETRES |
| 2007-06-27 | KNKB459 | LIAUA |
| 2007-06-27 | KNKB459 | ESUAPR |
| 2007-04-28 | KNKB459 | LIAUA |
| 2007-04-27 | KNKB459 | ESUAPR |
| 2007-02-17 | KNKB459 | LITRAN |
| 2006-08-01 | KNKB459 | LIAUA |
| 2006-07-31 | KNKB459 | ESUAPR |
| 2006-06-22 | KNKB459 | LIAUA |
| 2006-06-21 | KNKB459 | ESUAPR |
| 2006-06-02 | KNKB459 | LITRAN |
| 2005-02-15 | KNKB459 | COR |
| 2005-02-03 | KNKB459 | AUDOPR |
| 2004-12-07 | KNKB459 | LETAFU |
| 2004-09-28 | KNKB459 | LETAUS |
| 2004-01-24 | KNKB459 | LIAUA |
| 2002-03-23 | KNKB459 | LIMOD |
| 2002-02-09 | KNKB459 | LIAUA |
| 2001-05-05 | KNKB459 | LIAUA |
| 2000-08-04 | KNKB459 | LITRAN |
| 2000-06-12 | KNKB459 | AUTHPR |
| 2000-06-06 | KNKB459 | LIAUA |
| 2000-06-05 | KNKB459 | AUTHPR |
| 2000-06-01 | KNKB459 | LIASS |
| 2000-06-01 | KNKB459 | AUTHPR |
| 2000-05-22 | KNKB459 | AUTHPR |
| 2000-05-17 | KNKB459 | AUTHPR |
| 2000-05-08 | KNKB459 | AUTHPR |
| 2000-05-05 | KNKB459 | AUTHPR |
| 2000-04-04 | KNKB459 | COR |
| 2000-04-03 | KNKB459 | LIASS |
| 2000-02-09 | KNKB459 | LIMOD |
| 2000-02-03 | KNKB459 | AUTHPR |
| 1999-09-21 | KNKB459 | COR |
| 1999-09-20 | KNKB459 | COR |
| 1999-09-09 | KNKB459 | COR |
| 1999-09-02 | KNKB459 | LIAUA |
| 1999-08-23 | KNKB459 | LITRAN |
| 1999-08-20 | KNKB459 | COR |
| 1999-04-27 | KNKB459 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1347 | 2026-08-02 02:52:17 | Source Primary |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNKB459 | ULS 1347 | 2026-08-02 02:52:25 |
| Status | A | ULS 1347 | 2026-08-02 02:52:25 |
| Service | CD | ULS 1347 | 2026-08-02 02:52:25 |
| Grant Date | 2019-04-23 | ULS 1347 | 2026-08-02 02:52:25 |
| Expiration Date | 2029-04-01 | ULS 1347 | 2026-08-02 02:52:25 |