Universal Licensing System
WQDN472
Port of Portland
License details
| ULS identifier | 2753044 |
|---|
| Call sign | WQDN472 |
|---|
| Radio service | PA |
|---|
| Status | E |
|---|
| Grant date | 2015-08-21 |
|---|
| Expiration | 2025-10-07 |
|---|
| Cancellation | 2025-12-13 |
|---|
| Frequency range | 4940 - 4990 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | OR |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:10:26 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | | 4940.00000000 | 4990.00000000 | | | | |
| 2 | 1 | | 4940.00000000 | 4990.00000000 | | | | |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | OR | | | | | |
| 2 | T | OR | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
| 1 | 2 | | | | | | | | |
Special conditions
| Type | Condition code |
|---|
| P | 1035 |
| P | 3055 |
| P | 3059 |
License history
| Date | File or call sign | Action |
|---|
| 2025-12-13 | WQDN472 | LIEXP |
| 2025-09-27 | WQDN472 | ESURNW |
| 2025-09-07 | WQDN472 | ESURNW |
| 2025-08-08 | WQDN472 | ESURNW |
| 2025-07-14 | WQDN472 | LETRES |
| 2020-11-24 | WQDN472 | LIAUA |
| 2015-08-21 | WQDN472 | LIREN |
| 2015-08-04 | WQDN472 | ESUAPR |
| 2015-07-13 | WQDN472 | LETRES |
| 2015-07-09 | WQDN472 | ESURNW |
| 2005-10-07 | WQDN472 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2753044 | 2026-08-02 01:10:26 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQDN472 | ULS 2753044 | 2026-08-02 01:10:26 |
| Status | E | ULS 2753044 | 2026-08-02 01:10:26 |
| Service | PA | ULS 2753044 | 2026-08-02 01:10:26 |
| Grant Date | 2015-08-21 | ULS 2753044 | 2026-08-02 01:10:26 |
| Expiration Date | 2025-10-07 | ULS 2753044 | 2026-08-02 01:10:26 |
| Cancellation Date | 2025-12-13 | ULS 2753044 | 2026-08-02 01:10:26 |