Universal Licensing System
WPJW531
License details
| ULS identifier | 1741961 |
|---|---|
| Call sign | WPJW531 |
| Radio service | IG |
| Status | A |
| Grant date | 2021-09-14 |
| Expiration | 2031-11-20 |
| Frequency range | 462.9 MHz |
| Locations | 6 |
| Representative location | PORTLAND, MULTNOMAH, OR |
| Coordinates | 45.5223333, -122.7473333 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:09:29 |
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 | 462.90000000 | 200.000000 | 500.000000 | |||
| 2 | 1 | FB6 | 462.90000000 | 200.000000 | 500.000000 | |||
| 3 | 1 | FB6 | 462.90000000 | 200.000000 | 500.000000 | |||
| 4 | 1 | FB6 | 462.90000000 | 200.000000 | 500.000000 | |||
| 5 | 1 | FB6 | 462.90000000 | 200.000000 | 500.000000 | |||
| 6 | 1 | FB6 | 462.90000000 | 200.000000 | 500.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 1 | 1 | 462.90000000 | 20K0F3E | |
| 2 | 1 | 462.90000000 | 20K0F3E | |
| 3 | 1 | 462.90000000 | 20K0F3E | |
| 4 | 1 | 462.90000000 | 20K0F3E | |
| 5 | 1 | 462.90000000 | 20K0F3E | |
| 6 | 1 | 462.90000000 | 20K0F3E |
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 | AWBERY BUTTE, BEND, DESCHUTES, OR | 44.07622222, -121.33336111 | 1288.000 m | TOWER | 60.000 m structure / 60.000 m overall | N |
| 3 | T | GREY BUTTE N, REDMOND, DESCHUTES, OR | 44.42483333, -121.18558333 | 1557.000 m | TOWER | 60.000 m structure / 60.000 m overall | N |
| 4 | T | PRAIRIE PEAK, JUNCTION CITY, LANE, OR | 44.29288889, -123.53872222 | 999.000 m | TOWER | 60.000 m structure / 60.000 m overall | N |
| 5 | T | MOUNT PLEASENT E, CARROLLS, COWLITZ, WA | 46.07538889, -122.80900000 | 423.000 m | TOWER | 30.000 m structure / 30.000 m overall | N |
| 6 | T | CR 40 2 MI NW, SUN RIVER, DESCHUTES, OR | 43.85983333, -121.49558333 | 1266.000 m | TOWER | 15.000 m structure / 15.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 60.000 m | 182.000 | |||||
| 1 | 2 | T | 60.000 m | 208.000 | |||||
| 1 | 3 | T | 60.000 m | 716.000 | |||||
| 1 | 4 | T | 60.000 m | 721.000 | |||||
| 1 | 5 | T | 5.000 m | 702.000 | |||||
| 1 | 6 | T | 15.000 m | 723.000 |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 680 TYLER ST, EUGENE, OR | 5416871611 |
Special conditions
| Type | Condition code |
|---|---|
| P | 4020 |
| P | 5071 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2021-09-14 | WPJW531 | LIREN |
| 2021-08-30 | WPJW531 | LETRES |
| 2017-10-26 | WPJW531 | LIAUA |
| 2011-11-15 | WPJW531 | LIREN |
| 2011-11-14 | WPJW531 | ESCAPR |
| 2011-08-29 | WPJW531 | LETRES |
| 2002-01-09 | WPJW531 | AUDOPR |
| 2001-08-29 | WPJW531 | LIREN |
| 2001-08-27 | WPJW531 | LETRES |
| 2000-11-23 | WPJW531 | LICCNV |
| 1996-11-20 | WPJW531 | AUTHPR |
| 1996-11-20 | WPJW531 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 1741961 | 2026-08-02 01:09:29 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WPJW531 | ULS 1741961 | 2026-08-02 01:09:29 |
| Status | A | ULS 1741961 | 2026-08-02 01:09:29 |
| Service | IG | ULS 1741961 | 2026-08-02 01:09:29 |
| Grant Date | 2021-09-14 | ULS 1741961 | 2026-08-02 01:09:29 |
| Expiration Date | 2031-11-20 | ULS 1741961 | 2026-08-02 01:09:29 |