Universal Licensing System
WPXP981
Graddon Associates LLC d/b/a Sea Tow Portland/Vancouver
License details
| ULS identifier | 2514672 |
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| Call sign | WPXP981 |
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| Radio service | MC |
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| Status | E |
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| Grant date | 2003-05-19 |
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| Expiration | 2013-05-19 |
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| Cancellation | 2013-07-20 |
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| Frequency range | 156.35 - 157.1 MHz (14 frequencies) |
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| Locations | 1 |
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| Representative location | Portland, MULTNOMAH, OR |
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| Coordinates | 45.4778333, -122.7476389 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:38 |
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Licensee
| Name | Graddon Associates LLC d/b/a Sea Tow Portland/Vancouver |
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| Applicant type | C |
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| FRN | 0007392558 |
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| Location | Scappoose, OR |
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| Address | 33470 SW Chinook Plaza #129, Scappoose, OR, 97056 |
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| Phone | 5034521189 |
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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 |
|---|
| 1 | 1 | FCL | 156.35000000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.42500000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.45000000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.47500000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.50000000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.55000000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.57500000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.80000000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.90000000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.92500000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.95000000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.97500000 | | | 50.000000 | | |
| 1 | 1 | FCL | 157.02500000 | | | 50.000000 | | |
| 1 | 1 | FCL | 157.10000000 | | | 50.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 156.35000000 | | 16K0F3E |
| 1 | 1 | 156.42500000 | | 16K0F3E |
| 1 | 1 | 156.45000000 | | 16K0F3E |
| 1 | 1 | 156.47500000 | | 16K0F3E |
| 1 | 1 | 156.50000000 | | 16K0F3E |
| 1 | 1 | 156.55000000 | | 16K0F3E |
| 1 | 1 | 156.57500000 | | 16K0F3E |
| 1 | 1 | 156.80000000 | | 16K0F3E |
| 1 | 1 | 156.90000000 | | 16K0F3E |
| 1 | 1 | 156.92500000 | | 16K0F3E |
| 1 | 1 | 156.95000000 | | 16K0F3E |
| 1 | 1 | 156.97500000 | | 16K0F3E |
| 1 | 1 | 157.02500000 | | 16K0F3E |
| 1 | 1 | 157.10000000 | | 16K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 7100 SW 63rd Ave., Portland, MULTNOMAH, OR | 45.47783333, -122.74763889 | 102.000 m | MAST | 18.000 m structure / 23.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 5.000 m | | 9.0000 | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 7100 SW 63rd Ave., Portland, OR | MULTNOMAH | 5034521189 |
License history
| Date | File or call sign | Action |
|---|
| 2013-07-20 | WPXP981 | LIEXP |
| 2013-02-25 | WPXP981 | LETRES |
| 2008-04-30 | WPXP981 | LIAUA |
| 2008-04-29 | WPXP981 | ESUAPR |
| 2006-03-15 | WPXP981 | ESUAPR |
| 2004-12-29 | WPXP981 | LIMOD |
| 2004-12-27 | WPXP981 | ESUAPR |
| 2003-05-19 | WPXP981 | COR |
| 2003-05-19 | WPXP981 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2514672 | 2026-08-02 02:08:38 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPXP981 | ULS 2514672 | 2026-08-02 02:08:38 |
| Status | E | ULS 2514672 | 2026-08-02 02:08:38 |
| Service | MC | ULS 2514672 | 2026-08-02 02:08:38 |
| Grant Date | 2003-05-19 | ULS 2514672 | 2026-08-02 02:08:38 |
| Expiration Date | 2013-05-19 | ULS 2514672 | 2026-08-02 02:08:38 |
| Cancellation Date | 2013-07-20 | ULS 2514672 | 2026-08-02 02:08:38 |