Universal Licensing System
WPKX820
DAY MANAGEMENT CORP DBA DAY WIRELESS SYSTEMS
License details
| ULS identifier | 1753143 |
|---|
| Call sign | WPKX820 |
|---|
| Radio service | YG |
|---|
| Status | A |
|---|
| Grant date | 2022-08-13 |
|---|
| Expiration | 2032-09-15 |
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| Frequency range | 461.875 - 466.875 MHz (2 frequencies) |
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| Locations | 5 |
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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 | 461.87500000 | | | 110.000000 | 44.000000 | |
| 6 | 1 | FB6 | 461.87500000 | | | 110.000000 | 42.000000 | |
| 8 | 1 | MO | 461.87500000 | | | 45.000000 | 45.000000 | |
| 13 | 1 | MO | 461.87500000 | | | 45.000000 | 45.000000 | |
| 7 | 1 | FX1 | 466.87500000 | | | 30.000000 | 30.000000 | |
| 8 | 1 | MO | 466.87500000 | | | 45.000000 | 45.000000 | |
| 13 | 1 | MO | 466.87500000 | | | 45.000000 | 45.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.87500000 | | 7K60FXE |
| 1 | 1 | 461.87500000 | | 7K60FXD |
| 1 | 1 | 461.87500000 | | 11K0F3E |
| 6 | 1 | 461.87500000 | | 7K60FXE |
| 6 | 1 | 461.87500000 | | 7K60FXD |
| 6 | 1 | 461.87500000 | | 11K0F3E |
| 8 | 1 | 461.87500000 | | 11K0F3E |
| 8 | 1 | 461.87500000 | | 7K60FXE |
| 8 | 1 | 461.87500000 | | 7K60FXD |
| 13 | 1 | 461.87500000 | | 7K60FXD |
| 13 | 1 | 461.87500000 | | 11K0F3E |
| 13 | 1 | 461.87500000 | | 7K60FXE |
| 7 | 1 | 466.87500000 | | 11K0F3E |
| 7 | 1 | 466.87500000 | | 7K60FXE |
| 7 | 1 | 466.87500000 | | 7K60FXD |
| 8 | 1 | 466.87500000 | | 7K60FXE |
| 8 | 1 | 466.87500000 | | 7K60FXD |
| 8 | 1 | 466.87500000 | | 11K0F3E |
| 13 | 1 | 466.87500000 | | 11K0F3E |
| 13 | 1 | 466.87500000 | | 7K60FXD |
| 13 | 1 | 466.87500000 | | 7K60FXE |
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 | TOWER | 153.900 m structure / 189.000 m overall | N |
| 6 | T | MOUNT BALDY 4.8 KM NE, PHOENIX, JACKSON, OR | 42.29819444, -122.75086111 | 1190.000 m | TOWER | 18.000 m structure / 18.000 m overall | N |
| 7 | T | OR | | | | | |
| 8 | T | | | | | | |
| 13 | 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 | 6 | T | | 18.000 m | | | | 430.000 | |
| 1 | 7 | T | | | | | | | |
| 1 | 8 | T | | | | | | | |
| 1 | 13 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 234 NW 14TH AVE, PORTLAND, OR | MULTNOMAH | 5032289292 |
License history
| Date | File or call sign | Action |
|---|
| 2024-05-21 | WPKX820 | LIAUA |
| 2022-08-13 | WPKX820 | LIREN |
| 2022-06-20 | WPKX820 | LETRES |
| 2022-01-19 | WPKX820 | LIMOD |
| 2016-03-08 | WPKX820 | LIMOD |
| 2013-02-16 | WPKX820 | LIAUA |
| 2013-02-15 | WPKX820 | ESCAPR |
| 2012-06-26 | WPKX820 | LIREN |
| 2011-12-01 | WPKX820 | LIMOD |
| 2011-10-19 | WPKX820 | ESCAPR |
| 2003-05-06 | WPKX820 | LIMOD |
| 2002-08-24 | WPKX820 | LIREN |
| 2002-06-24 | WPKX820 | LETRES |
| 2002-02-27 | WPKX820 | AUDOPR |
| 2001-02-28 | WPKX820 | AUTHPR |
| 2001-02-27 | WPKX820 | COR |
| 2001-02-27 | WPKX820 | INTDUP |
| 2000-11-23 | WPKX820 | LICCNV |
| 2000-07-19 | WPKX820 | AUTHPR |
| 1997-09-15 | WPKX820 | LIAUA |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1753143 | 2026-08-02 01:12:35 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKX820 | ULS 1753143 | 2026-08-02 01:12:35 |
| Status | A | ULS 1753143 | 2026-08-02 01:12:35 |
| Service | YG | ULS 1753143 | 2026-08-02 01:12:35 |
| Grant Date | 2022-08-13 | ULS 1753143 | 2026-08-02 01:12:35 |
| Expiration Date | 2032-09-15 | ULS 1753143 | 2026-08-02 01:12:35 |