Universal Licensing System
KLM50
BOSTON, CITY OF
License details
| ULS identifier | 1252129 |
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| Call sign | KLM50 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2025-09-30 |
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| Expiration | 2035-12-05 |
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| Frequency range | 465.125 - 465.35 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | BOSTON, SUFFOLK, MA |
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| Coordinates | 42.2565000, -71.1239444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:11:28 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FX1 | 465.12500000 | | | 35.000000 | | |
| 1 | 1 | FX1 | 465.17500000 | | | 35.000000 | | |
| 1 | 1 | FX1 | 465.30000000 | | | 35.000000 | | |
| 1 | 1 | FX1 | 465.35000000 | | | 35.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 465.12500000 | | 11K2F3E |
| 1 | 1 | 465.17500000 | | 11K2F3E |
| 1 | 1 | 465.30000000 | | 11K2F3E |
| 1 | 1 | 465.35000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | DISTRICT 5 1249 HYDE PARK AVE, BOSTON, SUFFOLK, MA | 42.25650000, -71.12394444 | 18.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 17.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | One Schroeder Plaza, BOSTON, MA | | 6173434620 |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-30 | KLM50 | LIREN |
| 2025-09-08 | KLM50 | LETRES |
| 2025-09-06 | KLM50 | ESURNW |
| 2017-04-07 | KLM50 | LIAUA |
| 2015-10-01 | KLM50 | COR |
| 2015-10-01 | KLM50 | LIREN |
| 2015-09-14 | KLM50 | LETRES |
| 2014-05-23 | KLM50 | LIAUA |
| 2014-05-22 | KLM50 | ESCAPR |
| 2013-09-10 | KLM50 | LIAUA |
| 2013-09-09 | KLM50 | ESCAPR |
| 2012-02-07 | KLM50 | LIAUA |
| 2012-02-06 | KLM50 | ESCAPR |
| 2009-05-18 | KLM50 | LIMOD |
| 2005-09-09 | KLM50 | LIREN |
| 2003-04-08 | KLM50 | LIAUA |
| 2002-01-28 | KLM50 | AUDOPR |
| 2000-11-07 | KLM50 | LIREN |
| 2000-10-20 | KLM50 | LICCNV |
| 2000-09-19 | KLM50 | LETRES |
| 1995-10-27 | KLM50 | AUTHPR |
| 1995-10-25 | KLM50 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1252129 | 2026-08-02 01:11:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KLM50 | ULS 1252129 | 2026-08-02 01:11:28 |
| Status | A | ULS 1252129 | 2026-08-02 01:11:28 |
| Service | PW | ULS 1252129 | 2026-08-02 01:11:28 |
| Grant Date | 2025-09-30 | ULS 1252129 | 2026-08-02 01:11:28 |
| Expiration Date | 2035-12-05 | ULS 1252129 | 2026-08-02 01:11:28 |