Universal Licensing System
WPKW818
License details
| ULS identifier | 1771537 |
|---|---|
| Call sign | WPKW818 |
| Radio service | IG |
| Status | A |
| Grant date | 2022-06-23 |
| Expiration | 2032-08-19 |
| Frequency range | 457.725 - 457.875 MHz (2 frequencies) |
| Locations | 12 |
| Representative location | PORTLAND, MULTNOMAH, OR |
| Coordinates | 45.5223333, -122.7473333 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-16 06:43:00 |
Licensee
| Name | Silke Communications, Inc. |
|---|---|
| Applicant type | C |
| FRN | 0001551480 |
| Location | SAN RAMON, CA |
| Address | 3 CROW CANYON COURT, SAN RAMON, CA, 94583 |
| Phone | 9255521820 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | FB6 | 452.67500000 | 25.000000 | 80.000000 | |||
| 2 | 1 | FB6 | 452.67500000 | 60.000000 | 120.000000 | |||
| 1 | 1 | FB6C | 452.72500000 | 60.000000 | 80.000000 | |||
| 2 | 1 | FB6C | 452.72500000 | 60.000000 | 120.000000 | |||
| 3 | 1 | FB6C | 452.72500000 | 20.000000 | 25.000000 | |||
| 4 | 1 | FB6C | 452.72500000 | 60.000000 | 120.000000 | |||
| 5 | 1 | FB6C | 452.72500000 | 25.000000 | 15.000000 | |||
| 5 | 1 | FB6C | 452.87500000 | 25.000000 | 15.000000 | |||
| 6 | 1 | FB6C | 452.87500000 | 25.000000 | 15.000000 | |||
| 7 | 1 | MO | 457.67500000 | 45.000000 | ||||
| 8 | 1 | MO | 457.67500000 | 45.000000 | ||||
| 7 | 1 | MO | 457.72500000 | 45.000000 | ||||
| 8 | 1 | MO | 457.72500000 | 45.000000 | ||||
| 9 | 1 | MO | 457.72500000 | 45.000000 | ||||
| 10 | 1 | MO | 457.72500000 | 45.000000 | ||||
| 11 | 1 | MO | 457.72500000 | 45.000000 | ||||
| 11 | 1 | MO | 457.87500000 | 25.000000 | 45.000000 | |||
| 12 | 1 | MO | 457.87500000 | 25.000000 | 45.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 1 | 1 | 452.67500000 | 11K2F3E | |
| 2 | 1 | 452.67500000 | 11K2F3E | |
| 1 | 1 | 452.72500000 | 11K2F3E | |
| 2 | 1 | 452.72500000 | 11K2F3E | |
| 3 | 1 | 452.72500000 | 11K2F3E | |
| 4 | 1 | 452.72500000 | 11K2F3E | |
| 5 | 1 | 452.72500000 | 11K2F3E | |
| 5 | 1 | 452.87500000 | 11K2F3E | |
| 6 | 1 | 452.87500000 | 11K2F3E | |
| 7 | 1 | 457.67500000 | 11K2F3E | |
| 8 | 1 | 457.67500000 | 11K2F3E | |
| 7 | 1 | 457.72500000 | 11K2F3E | |
| 8 | 1 | 457.72500000 | 11K2F3E | |
| 9 | 1 | 457.72500000 | 11K2F3E | |
| 10 | 1 | 457.72500000 | 11K2F3E | |
| 11 | 1 | 457.72500000 | 11K2F3E | |
| 11 | 1 | 457.87500000 | 11K2F3E | |
| 12 | 1 | 457.87500000 | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | TOP OF WEST HILLS, PORTLAND, MULTNOMAH, OR | 45.52233333, -122.74733333 | 342.000 m | TOWER | 282.000 m structure / 282.000 m overall | N |
| 2 | T | PROSPECT HILL 3 KM SW, SALEM, MARION, OR | 44.85483333, -123.12177778 | 305.000 m | TOWER | 43.000 m structure / 43.000 m overall | N |
| 3 | T | HIGH CAMP 23 KM E, MOLALLA, CLACKAMAS, OR | 45.00761111, -122.33591667 | 1341.000 m | TOWER | 91.000 m structure / 91.000 m overall | N |
| 4 | T | MOUNT PLEASANT 12 KM SE, LONGVIEW, COWLITZ, WA | 46.07538889, -122.80900000 | 423.000 m | TOWER | 18.000 m structure / 18.000 m overall | N |
| 5 | T | PRAIRIE PEAK 29 KM NW, EUGENE, LANE, OR | 44.27983333, -123.58594444 | 1035.000 m | TOWER | 15.000 m structure / 15.000 m overall | N |
| 6 | T | BUCK MOUNTAIN 13 KM NE, EUGENE, LANE, OR | 44.19733333, -122.98813889 | 945.000 m | POLE | 12.000 m structure / 15.000 m overall | N |
| 7 | T | ||||||
| 8 | T | ||||||
| 9 | T | ||||||
| 10 | T | ||||||
| 11 | T | ||||||
| 12 | T |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 55.000 m | 308.000 | |||||
| 1 | 2 | T | 43.000 m | 251.000 | |||||
| 1 | 3 | T | 55.000 m | 529.000 | |||||
| 1 | 4 | T | 17.000 m | 228.000 | |||||
| 1 | 5 | T | 16.000 m | 707.000 | |||||
| 1 | 6 | T | 15.000 m | 708.000 | |||||
| 1 | 7 | T | |||||||
| 1 | 8 | T | |||||||
| 1 | 9 | T | |||||||
| 1 | 10 | T | |||||||
| 1 | 11 | T | |||||||
| 1 | 12 | T |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 680 Tyler St`, EUGENE, OR | LANE | 5416871611 |
Special conditions
| Type | Condition code |
|---|---|
| P | 4020 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2022-06-23 | WPKW818 | LIREN |
| 2022-05-23 | WPKW818 | LETRES |
| 2017-12-07 | WPKW818 | LIAUA |
| 2015-11-24 | WPKW818 | LIMOD |
| 2012-11-27 | WPKW818 | LIMOD |
| 2012-11-26 | WPKW818 | ESUAPR |
| 2012-08-02 | WPKW818 | LIREN |
| 2012-08-01 | WPKW818 | ESUAPR |
| 2012-07-31 | WPKW818 | ESUAPR |
| 2012-07-24 | WPKW818 | ESUAPR |
| 2012-05-28 | WPKW818 | LETRES |
| 2002-05-31 | WPKW818 | LIREN |
| 2002-05-28 | WPKW818 | LETRES |
| 2002-02-27 | WPKW818 | AUDOPR |
| 2001-10-25 | WPKW818 | LIASS |
| 2000-11-23 | WPKW818 | LICCNV |
| 1997-08-19 | WPKW818 | AUTHPR |
| 1997-08-19 | WPKW818 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 1771537 | 2026-08-16 06:43:00 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WPKW818 | ULS 1771537 | 2026-08-16 06:43:00 |
| Status | A | ULS 1771537 | 2026-08-16 06:43:00 |
| Service | IG | ULS 1771537 | 2026-08-16 06:43:00 |
| Grant Date | 2022-06-23 | ULS 1771537 | 2026-08-16 06:43:00 |
| Expiration Date | 2032-08-19 | ULS 1771537 | 2026-08-16 06:43:00 |