Universal Licensing System
KOS358
Alpha Media Licensee LLC
License details
| ULS identifier | 1117894 |
|---|
| Call sign | KOS358 |
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| Radio service | RP |
|---|
| Status | A |
|---|
| Grant date | 1981-12-09 |
|---|
| Expiration | 2030-02-01 |
|---|
| Frequency range | 170.15 - 455.65 MHz (6 frequencies) |
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| Locations | 2 |
|---|
| Representative location | PORTLAND, MULTNOMAH, OR |
|---|
| Coordinates | 45.4887222, -122.6956667 |
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| Source archive | l_LMbcast.zip |
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| Dataset refreshed | 2026-08-09 00:48:12 |
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Licensee
| Name | Alpha Media Licensee LLC |
|---|
| Applicant type | C |
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| FRN | 0022491476 |
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| Location | Westport, CT |
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| Address | 180 Post Road East Suite 201, Westport, CT, 06880 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 170.15000000 | | | 45.000000 | 45.000000 | |
| 1 | 1 | FB | 450.31250000 | | | 100.000000 | 100.000000 | |
| 2 | 1 | MO | 450.31250000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | MO | 450.65000000 | | | 45.000000 | 45.000000 | |
| 1 | 1 | FB | 455.31250000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | MO | 455.31250000 | | | 45.000000 | 45.000000 | |
| 1 | 1 | FB | 455.38750000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | MO | 455.38750000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | MO | 455.65000000 | | | 45.000000 | 45.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 170.15000000 | | 12K5F3E |
| 1 | 1 | 450.31250000 | | 18K8F3E |
| 2 | 1 | 450.31250000 | | 18K8F3E |
| 2 | 1 | 450.65000000 | | 50K0F3E |
| 1 | 1 | 455.31250000 | | 18K8F3E |
| 2 | 1 | 455.31250000 | | 18K8F3E |
| 1 | 1 | 455.38750000 | | 18K8F3E |
| 2 | 1 | 455.38750000 | | 18K8F3E |
| 2 | 1 | 455.65000000 | | 50K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4700 COUNCIL CREST DR, PORTLAND, MULTNOMAH, OR | 45.48872222, -122.69566667 | 310.300 m | TOWER | 153.900 m structure / 189.000 m overall | N |
| 2 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 46.000 m | V | 3.0000 | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 0234 SW BANCROFT, PORTLAND, OR | MULTNOMAH | 5032437595 |
License history
| Date | File or call sign | Action |
|---|
| 2026-02-18 | KOS358 | PNACT |
| 2026-02-12 | KOS358 | PLAUPR |
| 2026-02-11 | KOS358 | LIREN |
| 2025-08-13 | KOS358 | PNACT |
| 2025-08-07 | KOS358 | PLAUPR |
| 2025-08-06 | KOS358 | LIMOD |
| 2014-07-16 | KOS358 | PNACT |
| 2014-07-09 | KOS358 | LTSFRN |
| 2014-07-09 | KOS358 | PNACT |
| 2014-07-09 | KOS358 | AUTHPR |
| 2014-07-08 | KOS358 | LIMOD |
| 2014-07-08 | KOS358 | AUTHPR |
| 2014-07-04 | KOS358 | LIMOD |
| 2014-07-04 | KOS358 | AUTHPR |
| 2014-07-03 | KOS358 | LIMOD |
| 2014-06-04 | KOS358 | PNACT |
| 2014-05-29 | KOS358 | AUTHPR |
| 2014-05-28 | KOS358 | LIREN |
| 2010-10-13 | KOS358 | PNACT |
| 2010-10-07 | KOS358 | AUTHPR |
| 2010-10-06 | KOS358 | LIMOD |
| 2009-11-25 | KOS358 | PNACT |
| 2009-11-18 | KOS358 | AUTHPR |
| 2009-11-17 | KOS358 | LIMOD |
| 2009-11-04 | KOS358 | PNACT |
| 2009-10-31 | KOS358 | AUTHPR |
| 2009-10-30 | KOS358 | LIMOD |
| 2009-10-22 | KOS358 | LIAUA |
| 2009-10-22 | KOS358 | LTSFRN |
| 2009-10-22 | KOS358 | LTSAPR |
| 2009-09-09 | KOS358 | PNACT |
| 2009-09-04 | KOS358 | AUTHPR |
| 2009-09-03 | KOS358 | LIMOD |
| 2007-01-03 | KOS358 | LETCNS |
| 2006-05-10 | KOS358 | PNACT |
| 2006-05-05 | KOS358 | LIREN |
| 2006-05-05 | KOS358 | AUTHPR |
| 2006-03-31 | KOS358 | LIMOD |
| 2005-11-14 | KOS358 | ESCAPR |
| 2005-08-10 | KOS358 | PNACT |
| 2005-08-04 | KOS358 | LIMOD |
| 2005-08-04 | KOS358 | AUTHPR |
| 2004-03-01 | KOS358 | AUTHPR |
| 2003-02-07 | KOS358 | AUTHPR |
| 2003-01-29 | KOS358 | PNACT |
| 2003-01-23 | KOS358 | AUTHPR |
| 2003-01-21 | KOS358 | LIMOD |
| 2002-05-29 | KOS358 | AUTHPR |
| 2002-05-28 | KOS358 | INTDUP |
| 2002-05-28 | KOS358 | COR |
| 2000-09-15 | KOS358 | LICCNV |
| 1998-11-25 | KOS358 | AUTHPR |
| 1981-12-09 | KOS358 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1117894 | 2026-08-09 00:48:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KOS358 | ULS 1117894 | 2026-08-09 00:48:12 |
| Status | A | ULS 1117894 | 2026-08-09 00:48:12 |
| Service | RP | ULS 1117894 | 2026-08-09 00:48:12 |
| Grant Date | 1981-12-09 | ULS 1117894 | 2026-08-09 00:48:12 |
| Expiration Date | 2030-02-01 | ULS 1117894 | 2026-08-09 00:48:12 |