Universal Licensing System
WMU581
WGBH EDUCATIONAL FOUNDATION
License details
| ULS identifier | 1007370 |
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| Call sign | WMU581 |
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| Radio service | TI |
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| Status | C |
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| Grant date | 1994-03-04 |
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| Cancellation | 2024-02-08 |
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| Frequency range | 12775 - 12800 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | AMHERST, HAMPSHIRE, MA |
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| Coordinates | 42.3936944, -72.5278611 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:28 |
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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 | FXO | 12775.00000000 | 12800.00000000 | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 12775.00000000 | | 25M0F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | U MASS GRAD RESEARCH CTR, AMHERST, HAMPSHIRE, MA | 42.39369444, -72.52786111 | 71.300 m | BPIPE | 77.400 m structure / 80.500 m overall | N |
| 2 | R | | 42.24147222, -72.64841667 | 367.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Andrew P6-122C | | V | 45.2000 | 210.0000 | | |
| 1 | 2 | R | Andrew P6-122C | | | 45.2000 | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 44 Hampden Street, Springfield, MA | WORCESTER | 4137812801 |
License history
| Date | File or call sign | Action |
|---|
| 2024-02-08 | WMU581 | LICAN |
| 2020-09-23 | WMU581 | PNACT |
| 2020-09-17 | WMU581 | PLAUPR |
| 2020-09-16 | WMU581 | LIMOD |
| 2019-04-12 | WMU581 | LIAUA |
| 2015-05-27 | WMU581 | PNACT |
| 2015-05-20 | WMU581 | PLAUPR |
| 2015-05-19 | WMU581 | LIREN |
| 2015-01-07 | WMU581 | LIAUA |
| 2015-01-06 | WMU581 | ESCAPR |
| 2015-01-06 | WMU581 | LIAUA |
| 2015-01-05 | WMU581 | ESCAPR |
| 2014-01-29 | WMU581 | LIAUA |
| 2014-01-28 | WMU581 | ESCAPR |
| 2009-03-07 | WMU581 | PARREB |
| 2007-04-18 | WMU581 | PNACT |
| 2007-04-11 | WMU581 | AUTHPR |
| 2007-04-10 | WMU581 | PARSIL |
| 2007-04-10 | WMU581 | LIREN |
| 2004-02-20 | WMU581 | AUTHPR |
| 2004-02-19 | WMU581 | COR |
| 2004-02-19 | WMU581 | INTDUP |
| 2004-02-18 | WMU581 | LIMOD |
| 2003-01-29 | WMU581 | PNACT |
| 2003-01-22 | WMU581 | AUTHPR |
| 2003-01-21 | WMU581 | LIMOD |
| 1999-08-14 | WMU581 | LICCNV |
| 1999-07-20 | WMU581 | COR |
| 1999-07-19 | WMU581 | COR |
| 1998-09-15 | WMU581 | COR |
| 1998-09-14 | WMU581 | COR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1007370 | 2026-08-02 02:46:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WMU581 | ULS 1007370 | 2026-08-02 02:46:28 |
| Status | C | ULS 1007370 | 2026-08-02 02:46:28 |
| Service | TI | ULS 1007370 | 2026-08-02 02:46:28 |
| Grant Date | 1994-03-04 | ULS 1007370 | 2026-08-02 02:46:28 |
| Cancellation Date | 2024-02-08 | ULS 1007370 | 2026-08-02 02:46:28 |