Universal Licensing System
WQWM637
World Forestry Center
License details
| ULS identifier | 3741002 |
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| Call sign | WQWM637 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2025-11-19 |
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| Expiration | 2035-10-05 |
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| Frequency range | 451.3875 - 456.875 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | Portland, MULTNOMAH, OR |
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| Coordinates | 45.5107500, -122.7182500 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:21:11 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.38750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 451.71250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 451.87500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.38750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.87500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.38750000 | | 7K60FXE |
| 1 | 1 | 451.38750000 | | 7K60FXD |
| 1 | 1 | 451.38750000 | | 11K0F3E |
| 1 | 1 | 451.71250000 | | 7K60FXD |
| 1 | 1 | 451.71250000 | | 11K0F3E |
| 1 | 1 | 451.71250000 | | 7K60FXE |
| 1 | 1 | 451.87500000 | | 11K0F3E |
| 1 | 1 | 451.87500000 | | 7K60FXD |
| 1 | 1 | 451.87500000 | | 7K60FXE |
| 1 | 1 | 456.38750000 | | 7K60FXE |
| 1 | 1 | 456.38750000 | | 7K60FXD |
| 1 | 1 | 456.38750000 | | 11K0F3E |
| 1 | 1 | 456.87500000 | | 7K60FXE |
| 1 | 1 | 456.87500000 | | 11K0F3E |
| 1 | 1 | 456.87500000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Portland, MULTNOMAH, OR | 45.51075000, -122.71825000 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 4033 SW Canyon Rd, Portland, OR | MULTNOMAH | 5032281367 |
License history
| Date | File or call sign | Action |
|---|
| 2025-11-19 | WQWM637 | LIREN |
| 2025-07-14 | WQWM637 | LETRES |
| 2015-10-05 | WQWM637 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3741002 | 2026-08-02 01:21:11 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQWM637 | ULS 3741002 | 2026-08-02 01:21:11 |
| Status | A | ULS 3741002 | 2026-08-02 01:21:11 |
| Service | IG | ULS 3741002 | 2026-08-02 01:21:11 |
| Grant Date | 2025-11-19 | ULS 3741002 | 2026-08-02 01:21:11 |
| Expiration Date | 2035-10-05 | ULS 3741002 | 2026-08-02 01:21:11 |