Universal Licensing System
WPLU508
DAY MANAGEMENT CORP DBA DAY WIRELESS SYSTEMS
License details
| ULS identifier | 1787928 |
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| Call sign | WPLU508 |
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| Radio service | YG |
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| Status | A |
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| Grant date | 2022-12-29 |
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| Expiration | 2033-02-18 |
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| Frequency range | 451.725 - 456.725 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | PORTLAND, MULTNOMAH, OR |
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| Coordinates | 45.4887222, -122.6956667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:12:35 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 451.72500000 | | | 110.000000 | 94.000000 | |
| 3 | 1 | MO6 | 451.72500000 | | | 30.000000 | 94.000000 | |
| 2 | 1 | FX1 | 456.72500000 | | | 30.000000 | 94.000000 | |
| 3 | 1 | MO6 | 456.72500000 | | | 30.000000 | 94.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.72500000 | | 7K60FXD |
| 1 | 1 | 451.72500000 | | 11K0F3E |
| 1 | 1 | 451.72500000 | | 7K60FXE |
| 3 | 1 | 451.72500000 | | 11K0F3E |
| 3 | 1 | 451.72500000 | | 7K60FXE |
| 3 | 1 | 451.72500000 | | 7K60FXD |
| 2 | 1 | 456.72500000 | | 7K60FXE |
| 2 | 1 | 456.72500000 | | 7K60FXD |
| 2 | 1 | 456.72500000 | | 11K0F3E |
| 3 | 1 | 456.72500000 | | 7K60FXD |
| 3 | 1 | 456.72500000 | | 7K60FXE |
| 3 | 1 | 456.72500000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4700 COUNCIL CREST DR, PORTLAND, MULTNOMAH, OR | 45.48872222, -122.69566667 | 310.300 m | LTOWER | 153.900 m structure / 189.000 m overall | N |
| 2 | T | OR | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 120.000 m | | | | 288.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 4700 SE INTERNATIONAL WAY, MILWAUKIE, OR | CLACKAMAS | 5036591240 |
License history
| Date | File or call sign | Action |
|---|
| 2024-05-21 | WPLU508 | LIAUA |
| 2022-12-29 | WPLU508 | LIREN |
| 2022-11-28 | WPLU508 | LETRES |
| 2022-01-20 | WPLU508 | LIMOD |
| 2016-03-08 | WPLU508 | LIMOD |
| 2013-02-16 | WPLU508 | LIAUA |
| 2013-02-15 | WPLU508 | ESCAPR |
| 2013-01-01 | WPLU508 | LIREN |
| 2012-11-26 | WPLU508 | LETRES |
| 2012-06-11 | WPLU508 | LIMOD |
| 2012-05-01 | WPLU508 | ESCAPR |
| 2002-12-10 | WPLU508 | LIREN |
| 2002-11-25 | WPLU508 | LETRES |
| 2002-02-27 | WPLU508 | AUDOPR |
| 2001-02-28 | WPLU508 | AUTHPR |
| 2001-02-27 | WPLU508 | COR |
| 2001-02-27 | WPLU508 | INTDUP |
| 2000-11-23 | WPLU508 | LICCNV |
| 2000-07-19 | WPLU508 | AUTHPR |
| 1998-02-18 | WPLU508 | LIAUA |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1787928 | 2026-08-02 01:12:35 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPLU508 | ULS 1787928 | 2026-08-02 01:12:35 |
| Status | A | ULS 1787928 | 2026-08-02 01:12:35 |
| Service | YG | ULS 1787928 | 2026-08-02 01:12:35 |
| Grant Date | 2022-12-29 | ULS 1787928 | 2026-08-02 01:12:35 |
| Expiration Date | 2033-02-18 | ULS 1787928 | 2026-08-02 01:12:35 |