Universal Licensing System
WPMA978
DAY MANAGEMENT CORPORATION DBA DAY WIRELESS SYSTEMS
License details
| ULS identifier | 1791084 |
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| Call sign | WPMA978 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 1998-05-11 |
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| Expiration | 2003-05-11 |
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| Cancellation | 2003-02-24 |
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| Frequency range | 464.025 - 469.025 MHz (2 frequencies) |
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| Locations | 5 |
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| Representative location | HILLSBORO, YAMHILL, OR |
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| Coordinates | 45.3542778, -122.9901111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-16 06:47:53 |
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Licensee
| Name | DAY MANAGEMENT CORPORATION DBA DAY WIRELESS SYSTEMS |
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| Applicant type | C |
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| FRN | 0001553585 |
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| Location | MILWAUKIE, OR |
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| Address | MILWAUKIE, OR, 972692169 |
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| Phone | 5036591240 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 464.02500000 | | | 110.000000 | 305.000000 | |
| 2 | 1 | FB6 | 464.02500000 | | | 110.000000 | 500.000000 | |
| 4 | 1 | MO6 | 464.02500000 | | | 30.000000 | | |
| 5 | 1 | MO6 | 464.02500000 | | | 30.000000 | | |
| 3 | 1 | FX1 | 469.02500000 | | | 30.000000 | | |
| 4 | 1 | MO6 | 469.02500000 | | | 30.000000 | | |
| 5 | 1 | MO6 | 469.02500000 | | | 30.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.02500000 | | 20K0F3E |
| 2 | 1 | 464.02500000 | | 20K0F3E |
| 4 | 1 | 464.02500000 | | 20K0F3E |
| 5 | 1 | 464.02500000 | | 20K0F3E |
| 3 | 1 | 469.02500000 | | 20K0F3E |
| 4 | 1 | 469.02500000 | | 20K0F3E |
| 5 | 1 | 469.02500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BALD PEAK, HILLSBORO, YAMHILL, OR | 45.35427778, -122.99011111 | 439.000 m | TOWER | 19.000 m structure / 19.000 m overall | N |
| 2 | T | 5000 N WILLAMETTE BLVD, PORTLAND, MULTNOMAH, OR | 45.57205556, -122.72622222 | 52.000 m | B | 8.000 m structure / 10.000 m overall | N |
| 3 | T | OR | | | | | |
| 4 | T | | | | | | |
| 5 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 34.000 m | | | | 160.000 | |
| 1 | 2 | T | | 10.000 m | | | | 26.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 4700 SE INTERNATIONAL WAY, MILWAUKIE, OR | | 5036591240 |
License history
| Date | File or call sign | Action |
|---|
| 2003-02-25 | WPMA978 | LICAN |
| 2003-02-19 | WPMA978 | LETRES |
| 2002-02-27 | WPMA978 | AUDOPR |
| 2000-11-23 | WPMA978 | LICCNV |
| 2000-07-19 | WPMA978 | AUTHPR |
| 1998-05-11 | WPMA978 | LIAUA |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1791084 | 2026-08-16 06:47:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPMA978 | ULS 1791084 | 2026-08-16 06:47:53 |
| Status | C | ULS 1791084 | 2026-08-16 06:47:53 |
| Service | IG | ULS 1791084 | 2026-08-16 06:47:53 |
| Grant Date | 1998-05-11 | ULS 1791084 | 2026-08-16 06:47:53 |
| Expiration Date | 2003-05-11 | ULS 1791084 | 2026-08-16 06:47:53 |
| Cancellation Date | 2003-02-24 | ULS 1791084 | 2026-08-16 06:47:53 |