Universal Licensing System
WQSM439
BOSTON CHILDREN'S HOSPITAL OF WALTHAM
License details
| ULS identifier | 3526720 |
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| Call sign | WQSM439 |
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| Radio service | PW |
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| Status | E |
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| Grant date | 2013-10-30 |
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| Expiration | 2023-10-30 |
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| Cancellation | 2023-12-30 |
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| Frequency range | 43.68 MHz |
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| Locations | 1 |
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| Representative location | WALTHAM, MIDDLESEX, MA |
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| Coordinates | 42.3692500, -71.2495000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:23 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB | 43.68000000 | | | 55.800000 | 55.800000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 43.68000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | | HOPE AVE, WALTHAM, MIDDLESEX, MA | 42.36925000, -71.24950000 | 34.000 m | B | 22.000 m structure / 22.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 22.000 m | | | | 10.000 | |
Control points
| Number | Address | County | Phone |
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| 1 | HOPE AVE, WALTHAM, MA | MIDDLESEX | 6176476690 |
License history
| Date | File or call sign | Action |
|---|
| 2023-12-30 | WQSM439 | LIEXP |
| 2023-10-20 | WQSM439 | ESURNW |
| 2023-09-30 | WQSM439 | ESURNW |
| 2023-08-31 | WQSM439 | ESURNW |
| 2023-08-07 | WQSM439 | LETRES |
| 2023-08-01 | WQSM439 | ESURNW |
| 2013-10-30 | WQSM439 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 3526720 | 2026-08-02 01:16:23 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WQSM439 | ULS 3526720 | 2026-08-02 01:16:23 |
| Status | E | ULS 3526720 | 2026-08-02 01:16:23 |
| Service | PW | ULS 3526720 | 2026-08-02 01:16:23 |
| Grant Date | 2013-10-30 | ULS 3526720 | 2026-08-02 01:16:23 |
| Expiration Date | 2023-10-30 | ULS 3526720 | 2026-08-02 01:16:23 |
| Cancellation Date | 2023-12-30 | ULS 3526720 | 2026-08-02 01:16:23 |