Universal Licensing System
WPON400
Silke Communcations, Inc.
License details
| ULS identifier | 1078106 |
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| Call sign | WPON400 |
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| Radio service | CD |
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| Status | A |
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| Grant date | 2019-05-07 |
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| Expiration | 2029-04-01 |
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| Frequency range | 454.25 MHz |
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| Locations | 2 |
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| Representative location | PORTLAND, MULTNOMAH, OR |
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| Coordinates | 45.5162222, -122.7339722 |
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| Source archive | l_paging.zip |
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| Dataset refreshed | 2026-08-02 02:52:27 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FBBS | 454.25000000 | | | | 69.000000 | |
| 2 | 1 | FBBS | 454.25000000 | | | | 202.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 454.25000000 | | 16K0F1D |
| 1 | 1 | 454.25000000 | | 16K0F3E |
| 1 | 1 | 454.25000000 | | 15K0F2D |
| 2 | 1 | 454.25000000 | | 16K0F3E |
| 2 | 1 | 454.25000000 | | 15K0F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 5516 SW BARNES ROAD, PORTLAND, MULTNOMAH, OR | 45.51622222, -122.73397222 | 124.400 m | | | |
| 2 | T | SOUTHWEST HOSPITAL 3400 MAIN STREET, VANCOUVER, CLARK, WA | 45.64622222, -122.67036111 | 23.800 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | SINC SRL-310C-8 | 130.100 m | V | 8.0000 | | | |
| 1 | 2 | T | | 23.800 m | V | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2020-08-04 | WPON400 | LIMOD |
| 2019-05-07 | WPON400 | LIREN |
| 2019-02-11 | WPON400 | LETRES |
| 2017-11-07 | WPON400 | LIAUA |
| 2009-03-03 | WPON400 | LIREN |
| 2009-01-12 | WPON400 | ESUAPR |
| 2009-01-05 | WPON400 | LETRES |
| 2005-01-13 | WPON400 | LETAFU |
| 2004-10-06 | WPON400 | AUDOPR |
| 2004-09-28 | WPON400 | LETAUS |
| 2000-04-04 | WPON400 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1078106 | 2026-08-02 02:52:27 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPON400 | ULS 1078106 | 2026-08-02 02:52:27 |
| Status | A | ULS 1078106 | 2026-08-02 02:52:27 |
| Service | CD | ULS 1078106 | 2026-08-02 02:52:27 |
| Grant Date | 2019-05-07 | ULS 1078106 | 2026-08-02 02:52:27 |
| Expiration Date | 2029-04-01 | ULS 1078106 | 2026-08-02 02:52:27 |