Universal Licensing System
KFX399
CHILDRENS HOSPITAL BOSTON
License details
| ULS identifier | 1272213 |
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| Call sign | KFX399 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2020-12-22 |
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| Expiration | 2031-01-08 |
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| Frequency range | 155.4 MHz |
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| Locations | 2 |
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| Representative location | BOSTON, SUFFOLK, MA |
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| Coordinates | 42.3376111, -71.0995000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:19 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 155.40000000 | | | 90.000000 | | |
| 2 | 1 | FB | 155.40000000 | | | 90.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 155.40000000 | | 11K2F3E |
| 2 | 1 | 155.40000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
| 2 | T | 300 LONGWOOD AVE, BOSTON, SUFFOLK, MA | 42.33761111, -71.09950000 | 11.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 79.000 m | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 300 LONGWOOD AVE, BOSTON, MA | | |
Special conditions
| Type | Condition code |
|---|
| P | 4020 |
| P | 5071 |
License history
| Date | File or call sign | Action |
|---|
| 2020-12-22 | KFX399 | LIREN |
| 2020-12-14 | KFX399 | LIMOD |
| 2020-10-12 | KFX399 | LETRES |
| 2011-01-03 | KFX399 | LIREN |
| 2010-11-18 | KFX399 | LTSAPR |
| 2010-10-22 | KFX399 | LTSAPR |
| 2010-10-18 | KFX399 | LETRES |
| 2002-03-23 | KFX399 | LIAUA |
| 2002-03-11 | KFX399 | AUDOPR |
| 2002-01-16 | KFX399 | LIAUA |
| 2001-01-18 | KFX399 | LIREN |
| 2000-11-13 | KFX399 | LETRES |
| 2000-10-29 | KFX399 | LETRES |
| 2000-10-20 | KFX399 | LICCNV |
| 1996-01-24 | KFX399 | LIREN |
| 1996-01-24 | KFX399 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1272213 | 2026-08-02 01:24:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KFX399 | ULS 1272213 | 2026-08-02 01:24:19 |
| Status | A | ULS 1272213 | 2026-08-02 01:24:19 |
| Service | PW | ULS 1272213 | 2026-08-02 01:24:19 |
| Grant Date | 2020-12-22 | ULS 1272213 | 2026-08-02 01:24:19 |
| Expiration Date | 2031-01-08 | ULS 1272213 | 2026-08-02 01:24:19 |