Universal Licensing System
WPON581
Tri County Metropolitan Transportation District of Oregon
License details
| ULS identifier | 1079085 |
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| Call sign | WPON581 |
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| Radio service | MG |
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| Status | C |
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| Grant date | 2000-04-10 |
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| Expiration | 2010-04-10 |
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| Cancellation | 2005-04-07 |
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| Frequency range | 6635 MHz |
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| Locations | 2 |
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| Representative location | Portland, MULTNOMAH, OR |
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| Coordinates | 45.5151111, -122.6767500 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:20 |
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Licensee
| Name | Tri County Metropolitan Transportation District of Oregon |
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| Applicant type | G |
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| FRN | 0001558428 |
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| Location | Portland, OR |
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| Address | 4012 S.E. 17th Avenue, Portland, OR, 97202 |
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| Phone | 5036618147 |
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| Email | [email protected] |
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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 | FXO | 6635.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 6635.00000000 | | 10M0F8W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 1120 SW 3rd Ave, Portland, MULTNOMAH, OR | 45.51511111, -122.67675000 | 14.600 m | B | 85.000 m structure / 85.000 m overall | |
| 2 | R | | 45.49927778, -122.70841667 | 321.600 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | Andrew Corporation P6-65D | | V | 39.8000 | 234.6000 | | |
| 1 | 2 | R | Andrew Corporation HP8-65E | | | 42.3000 | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 4012 S.E. 17th Ave., Portland, OR | | 5036618142 |
License history
| Date | File or call sign | Action |
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| 2005-04-08 | WPON581 | LICAN |
| 2000-04-10 | WPON581 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1079085 | 2026-08-02 02:47:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPON581 | ULS 1079085 | 2026-08-02 02:47:20 |
| Status | C | ULS 1079085 | 2026-08-02 02:47:20 |
| Service | MG | ULS 1079085 | 2026-08-02 02:47:20 |
| Grant Date | 2000-04-10 | ULS 1079085 | 2026-08-02 02:47:20 |
| Expiration Date | 2010-04-10 | ULS 1079085 | 2026-08-02 02:47:20 |
| Cancellation Date | 2005-04-07 | ULS 1079085 | 2026-08-02 02:47:20 |