Universal Licensing System
WPTM881
Massachusetts Eye and Ear Infirmary Police and Security Dept
License details
| ULS identifier | 2361508 |
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| Call sign | WPTM881 |
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| Radio service | PW |
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| Status | E |
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| Grant date | 2011-10-24 |
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| Expiration | 2021-11-02 |
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| Cancellation | 2022-01-08 |
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| Frequency range | 453.2625 - 458.2625 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | Boston, SUFFOLK, MA |
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| Coordinates | 42.3622222, -71.0555556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:25:34 |
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Licensee
| Name | Massachusetts Eye and Ear Infirmary Police and Security Dept |
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| Applicant type | G |
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| FRN | 0010479962 |
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| Location | Boston, MA |
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| Address | 243 Charles Street, Boston, MA, 02114 |
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| Phone | 6175734415 |
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| Email | [email protected] |
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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 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 458.26250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FX1 | 458.26250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 453.26250000 | | 11K2F3E |
| 2 | 1 | 453.26250000 | | 11K2F3E |
| 2 | 1 | 458.26250000 | | 11K2F3E |
| 3 | 1 | 458.26250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 243 Charles St, Boston, SUFFOLK, MA | 42.36222222, -71.05555556 | 5.000 m | B | 27.000 m structure / 30.000 m overall | |
| 2 | T | | | 0.000 m | | 0.000 m structure / 0.000 m overall | |
| 3 | T | MA | | 0.000 m | | 0.000 m structure / 0.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 30.000 m | V | 3.0000 | 360.0000 | 19.000 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 243 Charles St, Boston, MA | SUFFOLK | 6175734415 |
License history
| Date | File or call sign | Action |
|---|
| 2022-01-08 | WPTM881 | LIEXP |
| 2021-10-23 | WPTM881 | ESURNW |
| 2021-10-03 | WPTM881 | ESURNW |
| 2021-09-03 | WPTM881 | ESURNW |
| 2021-08-09 | WPTM881 | LETRES |
| 2021-08-04 | WPTM881 | ESURNW |
| 2011-10-24 | WPTM881 | LIREN |
| 2011-10-21 | WPTM881 | ESCAPR |
| 2011-08-08 | WPTM881 | LETRES |
| 2004-03-16 | WPTM881 | LTSFRN |
| 2002-08-05 | WPTM881 | LETCNS |
| 2001-11-02 | WPTM881 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2361508 | 2026-08-02 01:25:34 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPTM881 | ULS 2361508 | 2026-08-02 01:25:34 |
| Status | E | ULS 2361508 | 2026-08-02 01:25:34 |
| Service | PW | ULS 2361508 | 2026-08-02 01:25:34 |
| Grant Date | 2011-10-24 | ULS 2361508 | 2026-08-02 01:25:34 |
| Expiration Date | 2021-11-02 | ULS 2361508 | 2026-08-02 01:25:34 |
| Cancellation Date | 2022-01-08 | ULS 2361508 | 2026-08-02 01:25:34 |