Universal Licensing System
WPMA422
MASS ELECTRIC COMPANY
License details
| ULS identifier | 1790741 |
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| Call sign | WPMA422 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2003-05-03 |
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| Expiration | 2013-05-04 |
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| Cancellation | 2013-07-06 |
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| Frequency range | 451.2375 - 464.55 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | WASHINGTON, OR |
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| Coordinates | 45.5215000, -122.9901111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:25:18 |
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Licensee
| Name | MASS ELECTRIC COMPANY |
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| Applicant type | C |
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| FRN | 0008889545 |
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| Location | SOUTHGATE, CA |
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| Address | 11151 PALMER, SOUTHGATE, CA, 90280 |
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| Phone | 5038448867 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.23750000 | | | 2.000000 | | |
| 1 | 1 | MO | 456.23750000 | | | 2.000000 | | |
| 2 | 1 | MOI | 464.50000000 | | | 2.000000 | | |
| 2 | 1 | MOI | 464.55000000 | | | 2.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.23750000 | | 11K2F3E |
| 1 | 1 | 456.23750000 | | 11K2F3E |
| 2 | 1 | 464.50000000 | | 11K2F3E |
| 2 | 1 | 464.55000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | WASHINGTON, OR | 45.52150000, -122.99011111 | | | | |
| 2 | T | US | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 2501 NW 270TH 9TH ST, HILLSBORO, OR | | 5038448867 |
License history
| Date | File or call sign | Action |
|---|
| 2013-07-06 | WPMA422 | LIEXP |
| 2013-02-11 | WPMA422 | LETRES |
| 2003-05-03 | WPMA422 | LIREN |
| 2003-02-10 | WPMA422 | LETRES |
| 2000-11-23 | WPMA422 | LICCNV |
| 1998-05-07 | WPMA422 | AUTHPR |
| 1998-05-04 | WPMA422 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1790741 | 2026-08-02 01:25:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMA422 | ULS 1790741 | 2026-08-02 01:25:18 |
| Status | E | ULS 1790741 | 2026-08-02 01:25:18 |
| Service | IG | ULS 1790741 | 2026-08-02 01:25:18 |
| Grant Date | 2003-05-03 | ULS 1790741 | 2026-08-02 01:25:18 |
| Expiration Date | 2013-05-04 | ULS 1790741 | 2026-08-02 01:25:18 |
| Cancellation Date | 2013-07-06 | ULS 1790741 | 2026-08-02 01:25:18 |