Universal Licensing System
WPMM541
Silke Communications, Inc.
License details
| ULS identifier | 1797131 |
|---|
| Call sign | WPMM541 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2018-10-23 |
|---|
| Expiration | 2028-09-18 |
|---|
| Frequency range | 457.1 - 466.25 MHz (5 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | WASHINGTON, OR |
|---|
| Coordinates | 45.5451111, -122.9073333 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:09:28 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 4 | 1 | MO | 452.01250000 | | | 35.000000 | 105.000000 | |
| 4 | 1 | MO | 452.03750000 | | | 35.000000 | 105.000000 | |
| 4 | 1 | MO | 452.06250000 | | | 35.000000 | 105.000000 | |
| 4 | 1 | MO | 452.08750000 | | | 35.000000 | 105.000000 | |
| 5 | 1 | MO6 | 452.10000000 | | | 100.000000 | 105.000000 | |
| 4 | 1 | MO | 452.11250000 | | | 35.000000 | 105.000000 | |
| 4 | 1 | MO | 452.13750000 | | | 35.000000 | 105.000000 | |
| 4 | 1 | MO | 452.21250000 | | | 35.000000 | 105.000000 | |
| 4 | 1 | MO | 452.26250000 | | | 35.000000 | 105.000000 | |
| 4 | 1 | MO | 452.28750000 | | | 35.000000 | 105.000000 | |
| 5 | 1 | MO6 | 452.83750000 | | | 35.000000 | 105.000000 | |
| 5 | 1 | MO6 | 452.88750000 | | | 35.000000 | 105.000000 | |
| 4 | 1 | MO6 | 457.01250000 | | | 35.000000 | 105.000000 | |
| 4 | 1 | MO6 | 457.03750000 | | | 35.000000 | 105.000000 | |
| 4 | 1 | MO6 | 457.06250000 | | | 35.000000 | 105.000000 | |
| 4 | 1 | MO6 | 457.08750000 | | | 35.000000 | 105.000000 | |
| 5 | 1 | MO6 | 457.10000000 | | | 100.000000 | 105.000000 | |
| 4 | 1 | MO6 | 457.11250000 | | | 35.000000 | 105.000000 | |
| 4 | 1 | MO6 | 457.13750000 | | | 35.000000 | 105.000000 | |
| 4 | 1 | MO6 | 457.21250000 | | | 35.000000 | 105.000000 | |
| 4 | 1 | MO6 | 457.26250000 | | | 35.000000 | 105.000000 | |
| 4 | 1 | MO6 | 457.28750000 | | | 35.000000 | 105.000000 | |
| 5 | 1 | MO6 | 457.83750000 | | | 35.000000 | 105.000000 | |
| 5 | 1 | MO6 | 457.88750000 | | | 35.000000 | 105.000000 | |
| 4 | 1 | MO6 | 461.16250000 | | | 35.000000 | 105.000000 | |
| 1 | 1 | FB6 | 461.17500000 | | | 100.000000 | 122.000000 | |
| 4 | 1 | MO6 | 461.18750000 | | | 35.000000 | 105.000000 | |
| 5 | 1 | MO6 | 461.25000000 | | | 100.000000 | 105.000000 | |
| 1 | 1 | FB6 | 461.42500000 | | | 100.000000 | 122.000000 | |
| 1 | 1 | FB6 | 461.45000000 | | | 100.000000 | 122.000000 | |
| 1 | 1 | FB6 | 461.82500000 | | | 100.000000 | 122.000000 | |
| 3 | 1 | MO6 | 461.87500000 | | | 35.000000 | 350.000000 | |
| 3 | 1 | MO6 | 462.32500000 | | | 35.000000 | 350.000000 | |
| 1 | 1 | FB6 | 463.22500000 | | | 100.000000 | 122.000000 | |
| 1 | 1 | FB6 | 463.25000000 | | | 100.000000 | 122.000000 | |
| 1 | 1 | FB6 | 463.30000000 | | | 100.000000 | 122.000000 | |
| 2 | 1 | FB6 | 463.30000000 | | | 100.000000 | 14.000000 | |
| 3 | 1 | MO6 | 463.35000000 | | | 35.000000 | 350.000000 | |
| 1 | 1 | FB6 | 463.50000000 | | | 100.000000 | 122.000000 | |
| 1 | 1 | FB6 | 463.82500000 | | | 100.000000 | 122.000000 | |
| 1 | 1 | FB6 | 463.87500000 | | | 100.000000 | 122.000000 | |
| 1 | 1 | FB6 | 464.15000000 | | | 100.000000 | 122.000000 | |
| 1 | 1 | FB6 | 464.17500000 | | | 100.000000 | 122.000000 | |
| 1 | 1 | FB6 | 464.30000000 | | | 100.000000 | 122.000000 | |
| 1 | 1 | FB6 | 464.57500000 | | | 100.000000 | 122.000000 | |
| 3 | 1 | MO6 | 464.67500000 | | | 35.000000 | 350.000000 | |
| 4 | 1 | MO6 | 466.16250000 | | | 100.000000 | 105.000000 | |
| 4 | 1 | MO6 | 466.17500000 | | | 100.000000 | 105.000000 | |
| 4 | 1 | MO6 | 466.18750000 | | | 100.000000 | 105.000000 | |
| 5 | 1 | MO6 | 466.25000000 | | | 100.000000 | 105.000000 | |
| 4 | 1 | MO6 | 466.42500000 | | | 100.000000 | 105.000000 | |
| 4 | 1 | MO6 | 466.45000000 | | | 100.000000 | 105.000000 | |
| 4 | 1 | MO6 | 466.82500000 | | | 100.000000 | 105.000000 | |
| 3 | 1 | MO6 | 466.87500000 | | | 100.000000 | 398.000000 | |
| 3 | 1 | MO6 | 467.32500000 | | | 100.000000 | 398.000000 | |
| 4 | 1 | MO6 | 468.22500000 | | | 100.000000 | 105.000000 | |
| 4 | 1 | MO6 | 468.25000000 | | | 100.000000 | 105.000000 | |
| 4 | 1 | MO6 | 468.30000000 | | | 100.000000 | 105.000000 | |
| 3 | 1 | MO6 | 468.35000000 | | | 100.000000 | 398.000000 | |
| 4 | 1 | MO6 | 468.50000000 | | | 100.000000 | 105.000000 | |
| 4 | 1 | MO6 | 468.82500000 | | | 100.000000 | 105.000000 | |
| 4 | 1 | MO6 | 468.87500000 | | | 100.000000 | 105.000000 | |
| 4 | 1 | MO6 | 468.87500000 | | | 100.000000 | 105.000000 | |
| 4 | 1 | MO6 | 469.15000000 | | | 100.000000 | 105.000000 | |
| 4 | 1 | MO6 | 469.17500000 | | | 100.000000 | 105.000000 | |
| 4 | 1 | MO6 | 469.30000000 | | | 100.000000 | 105.000000 | |
| 4 | 1 | MO6 | 469.57500000 | | | 100.000000 | 105.000000 | |
| 3 | 1 | MO6 | 469.67500000 | | | 100.000000 | 398.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 4 | 1 | 452.01250000 | | 11K2F3E |
| 4 | 1 | 452.01250000 | | 6K00F3E |
| 4 | 1 | 452.03750000 | | 11K2F3E |
| 4 | 1 | 452.03750000 | | 6K00F3E |
| 4 | 1 | 452.06250000 | | 11K2F3E |
| 4 | 1 | 452.06250000 | | 6K00F3E |
| 4 | 1 | 452.08750000 | | 11K2F3E |
| 4 | 1 | 452.08750000 | | 6K00F3E |
| 5 | 1 | 452.10000000 | | 6K00F3E |
| 5 | 1 | 452.10000000 | | 11K2F3E |
| 4 | 1 | 452.11250000 | | 6K00F3E |
| 4 | 1 | 452.11250000 | | 11K2F3E |
| 4 | 1 | 452.13750000 | | 6K00F3E |
| 4 | 1 | 452.13750000 | | 11K2F3E |
| 4 | 1 | 452.21250000 | | 11K2F3E |
| 4 | 1 | 452.21250000 | | 6K00F3E |
| 4 | 1 | 452.26250000 | | 11K2F3E |
| 4 | 1 | 452.26250000 | | 6K00F3E |
| 4 | 1 | 452.28750000 | | 11K2F3E |
| 4 | 1 | 452.28750000 | | 6K00F3E |
| 5 | 1 | 452.83750000 | | 11K2F3E |
| 5 | 1 | 452.83750000 | | 6K00F3E |
| 5 | 1 | 452.88750000 | | 6K00F3E |
| 5 | 1 | 452.88750000 | | 11K2F3E |
| 4 | 1 | 457.01250000 | | 6K00F3E |
| 4 | 1 | 457.01250000 | | 11K2F3E |
| 4 | 1 | 457.03750000 | | 11K2F3E |
| 4 | 1 | 457.03750000 | | 6K00F3E |
| 4 | 1 | 457.06250000 | | 11K2F3E |
| 4 | 1 | 457.06250000 | | 6K00F3E |
| 4 | 1 | 457.08750000 | | 11K2F3E |
| 4 | 1 | 457.08750000 | | 6K00F3E |
| 5 | 1 | 457.10000000 | | 11K2F3E |
| 5 | 1 | 457.10000000 | | 6K00F3E |
| 4 | 1 | 457.11250000 | | 11K2F3E |
| 4 | 1 | 457.11250000 | | 6K00F3E |
| 4 | 1 | 457.13750000 | | 11K2F3E |
| 4 | 1 | 457.13750000 | | 6K00F3E |
| 4 | 1 | 457.21250000 | | 6K00F3E |
| 4 | 1 | 457.21250000 | | 11K2F3E |
| 4 | 1 | 457.26250000 | | 11K2F3E |
| 4 | 1 | 457.26250000 | | 6K00F3E |
| 4 | 1 | 457.28750000 | | 6K00F3E |
| 4 | 1 | 457.28750000 | | 11K2F3E |
| 5 | 1 | 457.83750000 | | 6K00F3E |
| 5 | 1 | 457.83750000 | | 11K2F3E |
| 5 | 1 | 457.88750000 | | 6K00F3E |
| 5 | 1 | 457.88750000 | | 11K2F3E |
| 4 | 1 | 461.16250000 | | 6K00F3E |
| 4 | 1 | 461.16250000 | | 11K2F3E |
| 1 | 1 | 461.17500000 | | 6K00F3E |
| 1 | 1 | 461.17500000 | | 11K2F3E |
| 4 | 1 | 461.18750000 | | 11K2F3E |
| 4 | 1 | 461.18750000 | | 6K00F3E |
| 5 | 1 | 461.25000000 | | 11K2F3E |
| 5 | 1 | 461.25000000 | | 6K00F3E |
| 1 | 1 | 461.42500000 | | 11K2F3E |
| 1 | 1 | 461.42500000 | | 6K00F3E |
| 1 | 1 | 461.45000000 | | 11K2F3E |
| 1 | 1 | 461.45000000 | | 6K00F3E |
| 1 | 1 | 461.82500000 | | 6K00F3E |
| 1 | 1 | 461.82500000 | | 11K2F3E |
| 3 | 1 | 461.87500000 | | 6K00F3E |
| 3 | 1 | 461.87500000 | | 11K2F3E |
| 3 | 1 | 462.32500000 | | 6K00F3E |
| 3 | 1 | 462.32500000 | | 11K2F3E |
| 1 | 1 | 463.22500000 | | 11K2F3E |
| 1 | 1 | 463.22500000 | | 6K00F3E |
| 1 | 1 | 463.25000000 | | 6K00F3E |
| 1 | 1 | 463.25000000 | | 11K2F3E |
| 1 | 1 | 463.30000000 | | 11K2F3E |
| 1 | 1 | 463.30000000 | | 6K00F3E |
| 2 | 1 | 463.30000000 | | 11K2F3E |
| 2 | 1 | 463.30000000 | | 6K00F3E |
| 3 | 1 | 463.35000000 | | 6K00F3E |
| 3 | 1 | 463.35000000 | | 11K2F3E |
| 1 | 1 | 463.50000000 | | 6K00F3E |
| 1 | 1 | 463.50000000 | | 11K2F3E |
| 1 | 1 | 463.82500000 | | 11K2F3E |
| 1 | 1 | 463.82500000 | | 6K00F3E |
| 1 | 1 | 463.87500000 | | 11K2F3E |
| 1 | 1 | 463.87500000 | | 6K00F3E |
| 1 | 1 | 464.15000000 | | 11K2F3E |
| 1 | 1 | 464.15000000 | | 6K00F3E |
| 1 | 1 | 464.17500000 | | 6K00F3E |
| 1 | 1 | 464.17500000 | | 11K2F3E |
| 1 | 1 | 464.30000000 | | 11K2F3E |
| 1 | 1 | 464.30000000 | | 6K00F3E |
| 1 | 1 | 464.57500000 | | 6K00F3E |
| 1 | 1 | 464.57500000 | | 11K2F3E |
| 3 | 1 | 464.67500000 | | 11K2F3E |
| 3 | 1 | 464.67500000 | | 6K00F3E |
| 4 | 1 | 466.16250000 | | 6K00F3E |
| 4 | 1 | 466.16250000 | | 11K2F3E |
| 4 | 1 | 466.17500000 | | 11K2F3E |
| 4 | 1 | 466.17500000 | | 6K00F3E |
| 4 | 1 | 466.18750000 | | 6K00F3E |
| 4 | 1 | 466.18750000 | | 11K2F3E |
| 5 | 1 | 466.25000000 | | 11K2F3E |
| 5 | 1 | 466.25000000 | | 6K00F3E |
| 4 | 1 | 466.42500000 | | 11K2F3E |
| 4 | 1 | 466.42500000 | | 6K00F3E |
| 4 | 1 | 466.45000000 | | 6K00F3E |
| 4 | 1 | 466.45000000 | | 11K2F3E |
| 4 | 1 | 466.82500000 | | 11K2F3E |
| 4 | 1 | 466.82500000 | | 6K00F3E |
| 3 | 1 | 466.87500000 | | 6K00F3E |
| 3 | 1 | 466.87500000 | | 11K2F3E |
| 3 | 1 | 467.32500000 | | 6K00F3E |
| 3 | 1 | 467.32500000 | | 11K2F3E |
| 4 | 1 | 468.22500000 | | 6K00F3E |
| 4 | 1 | 468.22500000 | | 11K2F3E |
| 4 | 1 | 468.25000000 | | 11K2F3E |
| 4 | 1 | 468.25000000 | | 6K00F3E |
| 4 | 1 | 468.30000000 | | 11K2F3E |
| 4 | 1 | 468.30000000 | | 6K00F3E |
| 3 | 1 | 468.35000000 | | 11K2F3E |
| 3 | 1 | 468.35000000 | | 6K00F3E |
| 4 | 1 | 468.50000000 | | 6K00F3E |
| 4 | 1 | 468.50000000 | | 11K2F3E |
| 4 | 1 | 468.82500000 | | 6K00F3E |
| 4 | 1 | 468.82500000 | | 11K2F3E |
| 4 | 1 | 468.87500000 | | 6K00F3E |
| 4 | 1 | 468.87500000 | | 11K2F3E |
| 4 | 1 | 468.87500000 | | 11K2F3E |
| 4 | 1 | 468.87500000 | | 6K00F3E |
| 4 | 1 | 469.15000000 | | 6K00F3E |
| 4 | 1 | 469.15000000 | | 11K2F3E |
| 4 | 1 | 469.17500000 | | 11K2F3E |
| 4 | 1 | 469.17500000 | | 6K00F3E |
| 4 | 1 | 469.30000000 | | 11K2F3E |
| 4 | 1 | 469.30000000 | | 6K00F3E |
| 4 | 1 | 469.57500000 | | 11K2F3E |
| 4 | 1 | 469.57500000 | | 6K00F3E |
| 3 | 1 | 469.67500000 | | 6K00F3E |
| 3 | 1 | 469.67500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 431 NE GREENLEAF RD, PORTLAND, MULTNOMAH, OR | 45.52288889, -122.75011111 | 312.000 m | POLE | 30.000 m structure / 37.000 m overall | N |
| 2 | T | 28718 NE LOOKOUT RD, CAMAS, CLARK, WA | 45.67622222, -122.37869444 | 950.000 m | TOWER | 55.000 m structure / 60.000 m overall | N |
| 3 | T | WASHINGTON, OR | 45.54511111, -122.90733333 | | | | |
| 4 | T | | | | | | |
| 5 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 37.000 m | | | | 253.000 | |
| 1 | 2 | T | | 60.000 m | | | | 742.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 680 Tyler Street, Eugene, OR | LANE | 5416871611 |
| 2 | 3 Crow Canyon Ct., San Ramon, CA | CONTRA COSTA | 9255521820 |
License history
| Date | File or call sign | Action |
|---|
| 2021-07-07 | WPMM541 | LIMOD |
| 2018-10-23 | WPMM541 | LIREN |
| 2018-06-25 | WPMM541 | LETRES |
| 2017-12-07 | WPMM541 | LIAUA |
| 2014-08-16 | WPMM541 | LIMOD |
| 2013-05-01 | WPMM541 | LIMOD |
| 2012-12-24 | WPMM541 | ESUAPR |
| 2012-01-04 | WPMM541 | LIASS |
| 2012-01-03 | WPMM541 | ESUAPR |
| 2010-06-08 | WPMM541 | LIMOD |
| 2009-05-13 | WPMM541 | LIASS |
| 2009-05-13 | WPMM541 | ESUFNR |
| 2009-05-13 | WPMM541 | LITRAN |
| 2009-05-12 | WPMM541 | ESUAPR |
| 2008-12-09 | WPMM541 | LIASS |
| 2008-12-06 | WPMM541 | ESCAPR |
| 2008-08-05 | WPMM541 | LIREN |
| 2008-06-23 | WPMM541 | LETRES |
| 2008-06-23 | WPMM541 | ESCAPR |
| 2008-04-22 | WPMM541 | ESCFRN |
| 2000-11-23 | WPMM541 | LICCNV |
| 1998-09-18 | WPMM541 | LIISS |
| 1998-09-18 | WPMM541 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1797131 | 2026-08-02 01:09:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMM541 | ULS 1797131 | 2026-08-02 01:09:28 |
| Status | A | ULS 1797131 | 2026-08-02 01:09:28 |
| Service | IG | ULS 1797131 | 2026-08-02 01:09:28 |
| Grant Date | 2018-10-23 | ULS 1797131 | 2026-08-02 01:09:28 |
| Expiration Date | 2028-09-18 | ULS 1797131 | 2026-08-02 01:09:28 |