Universal Licensing System
WPMM830
ARMSTRONG WORLD INDUSTRIES
License details
| ULS identifier | 1797338 |
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| Call sign | WPMM830 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2013-08-03 |
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| Expiration | 2023-09-23 |
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| Cancellation | 2023-11-25 |
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| Frequency range | 451.475 - 469.375 MHz (7 frequencies) |
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| Locations | 2 |
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| Representative location | ST. HELENS, COLUMBIA, OR |
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| Coordinates | 45.8453889, -122.8198333 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:25:22 |
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Licensee
| Name | ARMSTRONG WORLD INDUSTRIES |
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| Applicant type | C |
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| FRN | 0009296989 |
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| Location | ST HELENS, OR |
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| Address | 1645 RAILROAD, ST HELENS, OR, 97051 |
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| Phone | 5033977658 |
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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 | FB2 | 451.47500000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 451.47500000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 451.90000000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 456.47500000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 456.90000000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 461.05000000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 464.37500000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 469.37500000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.47500000 | | 11K0F3E |
| 2 | 1 | 451.47500000 | | 11K0F3E |
| 2 | 1 | 451.90000000 | | 11K0F3E |
| 2 | 1 | 456.47500000 | | 11K0F3E |
| 2 | 1 | 456.90000000 | | 11K0F3E |
| 2 | 1 | 461.05000000 | | 11K0F3E |
| 2 | 1 | 464.37500000 | | 11K0F3E |
| 2 | 1 | 469.37500000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1645 RAILROAD, ST. HELENS, COLUMBIA, OR | 45.84538889, -122.81983333 | 15.000 m | BMAST | 9.000 m structure / 12.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 12.000 m | | | | 3.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1645 Railroad, St Helens, OR | COLUMBIA | 5033977658 |
License history
| Date | File or call sign | Action |
|---|
| 2023-11-25 | WPMM830 | LIEXP |
| 2015-07-17 | WPMM830 | LIMOD |
| 2013-08-05 | WPMM830 | LTSAPR |
| 2013-08-03 | WPMM830 | LIREN |
| 2013-08-02 | WPMM830 | LIMOD |
| 2013-07-01 | WPMM830 | LETRES |
| 2003-07-16 | WPMM830 | LIREN |
| 2003-06-30 | WPMM830 | LETRES |
| 2001-08-27 | WPMM830 | AUDOPR |
| 2000-11-23 | WPMM830 | LICCNV |
| 1998-09-23 | WPMM830 | AUTHPR |
| 1998-09-23 | WPMM830 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1797338 | 2026-08-02 01:25:22 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPMM830 | ULS 1797338 | 2026-08-02 01:25:22 |
| Status | E | ULS 1797338 | 2026-08-02 01:25:22 |
| Service | IG | ULS 1797338 | 2026-08-02 01:25:22 |
| Grant Date | 2013-08-03 | ULS 1797338 | 2026-08-02 01:25:22 |
| Expiration Date | 2023-09-23 | ULS 1797338 | 2026-08-02 01:25:22 |
| Cancellation Date | 2023-11-25 | ULS 1797338 | 2026-08-02 01:25:22 |