Universal Licensing System
WPTB420
State of Maine, O.I.T., Radio Operations
License details
| ULS identifier | 2345788 |
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| Call sign | WPTB420 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2021-05-28 |
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| Expiration | 2031-08-22 |
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| Frequency range | 453.2 - 458.2 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | TOPSFIELD, WASHINGTON, ME |
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| Coordinates | 45.3891667, -67.7972222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:18:10 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FX2 | 453.20000000 | | | 75.000000 | 475.000000 | |
| 2 | 1 | FX1 | 458.20000000 | | | 75.000000 | 475.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 453.20000000 | | 11K2F3E |
| 2 | 1 | 458.20000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MUSQUASH MTN, TOPSFIELD, WASHINGTON, ME | 45.38916667, -67.79722222 | 377.000 m | TOWER | 30.000 m structure / 37.000 m overall | |
| 2 | T | NUMBER 9 MTN, BRIDGEWATER, AROOSTOOK, ME | 46.42083333, -68.02361111 | 499.000 m | TOWER | 24.000 m structure / 31.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 24.000 m | | | | 257.000 | |
| 1 | 2 | T | | 24.000 m | | | | 285.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | CAMP KEYS BLDG 7A, AUGUSTA, ME | KENNEBEC | 2076264503 |
License history
| Date | File or call sign | Action |
|---|
| 2021-05-28 | WPTB420 | LIREN |
| 2021-04-24 | WPTB420 | LIAUA |
| 2021-03-05 | WPTB420 | LIAUA |
| 2018-05-22 | WPTB420 | LIAUA |
| 2011-06-18 | WPTB420 | LIREN |
| 2011-06-17 | WPTB420 | ESUAPR |
| 2011-05-30 | WPTB420 | LETRES |
| 2011-05-24 | WPTB420 | ESURNW |
| 2010-06-30 | WPTB420 | LIAUA |
| 2010-06-29 | WPTB420 | ESUAPR |
| 2009-09-03 | WPTB420 | LIAUA |
| 2009-09-02 | WPTB420 | ESUAPR |
| 2007-03-02 | WPTB420 | LIAUA |
| 2007-03-01 | WPTB420 | ESUFNR |
| 2007-03-01 | WPTB420 | ESUAPR |
| 2005-09-13 | WPTB420 | LIAUA |
| 2005-09-10 | WPTB420 | ESCAPR |
| 2002-05-20 | WPTB420 | LETCNS |
| 2001-08-22 | WPTB420 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2345788 | 2026-08-02 01:18:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPTB420 | ULS 2345788 | 2026-08-02 01:18:10 |
| Status | A | ULS 2345788 | 2026-08-02 01:18:10 |
| Service | PW | ULS 2345788 | 2026-08-02 01:18:10 |
| Grant Date | 2021-05-28 | ULS 2345788 | 2026-08-02 01:18:10 |
| Expiration Date | 2031-08-22 | ULS 2345788 | 2026-08-02 01:18:10 |