Universal Licensing System
KOP353
IHM LICENSES, LLC
License details
| ULS identifier | 1117832 |
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| Call sign | KOP353 |
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| Radio service | RP |
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| Status | A |
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| Grant date | 1977-05-16 |
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| Expiration | 2030-02-01 |
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| Frequency range | 450.55 - 455.55 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | PORTLAND, MULTNOMAH, OR |
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| Coordinates | 45.5223611, -122.7470833 |
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| Source archive | l_LMbcast.zip |
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| Dataset refreshed | 2026-08-02 00:37:55 |
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Licensee
| Name | IHM LICENSES, LLC |
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| Applicant type | P |
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| Location | TULSA, OK |
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| Address | 7136 S. YALE AVENUE SUITE 501, TULSA, OK, 74136 |
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| Phone | 9186644581 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 450.55000000 | | | 70.000000 | 71.500000 | |
| 2 | 1 | FB | 450.55000000 | | | 70.000000 | 71.500000 | |
| 1 | 1 | MO | 455.55000000 | | | 70.000000 | 71.500000 | |
| 2 | 1 | FB | 455.55000000 | | | 70.000000 | 71.500000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 450.55000000 | | 18K7F3E |
| 2 | 1 | 450.55000000 | | 18K7F3E |
| 1 | 1 | 455.55000000 | | 18K7F3E |
| 2 | 1 | 455.55000000 | | 18K7F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | PORTLAND, MULTNOMAH, OR | 45.52236111, -122.74708333 | | | | N |
| 2 | T | 299 NW Skyline Drive, Portland, MULTNOMAH, OR | 45.52236111, -122.74708333 | 342.300 m | TOWER | 250.200 m structure / 282.200 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 256.000 m | V | 6.6000 | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 4949 SOUTH WEST MACADAM AVENUE, PORTLAND, OR | MULTNOMAH | 5032251190 |
License history
| Date | File or call sign | Action |
|---|
| 2022-02-09 | KOP353 | PNACT |
| 2022-02-02 | KOP353 | PNACT |
| 2022-02-02 | KOP353 | LIREN |
| 2022-01-25 | KOP353 | LIMOD |
| 2019-05-08 | KOP353 | PNACT |
| 2019-05-04 | KOP353 | AUTHPR |
| 2019-05-03 | KOP353 | LIMOD |
| 2018-04-25 | KOP353 | PNACT |
| 2018-04-21 | KOP353 | AUTHPR |
| 2018-04-20 | KOP353 | LIMOD |
| 2017-08-16 | KOP353 | LIAUA |
| 2014-09-25 | KOP353 | LIAUA |
| 2014-09-24 | KOP353 | ESCAPR |
| 2014-07-30 | KOP353 | PNACT |
| 2014-07-25 | KOP353 | AUTHPR |
| 2014-07-24 | KOP353 | LIREN |
| 2009-02-16 | KOP353 | ESCFRN |
| 2009-01-28 | KOP353 | PNACT |
| 2009-01-15 | KOP353 | AUTHPR |
| 2009-01-14 | KOP353 | LIMOD |
| 2006-07-05 | KOP353 | PNACT |
| 2006-06-30 | KOP353 | LIREN |
| 2006-06-30 | KOP353 | AUTHPR |
| 2004-12-13 | KOP353 | LIMOD |
| 2004-12-10 | KOP353 | ESUAPR |
| 2004-12-01 | KOP353 | PNACT |
| 2004-11-24 | KOP353 | PNACT |
| 2004-11-23 | KOP353 | LIMOD |
| 2004-11-23 | KOP353 | AUTHPR |
| 2004-11-19 | KOP353 | AUTHPR |
| 2004-11-19 | KOP353 | LIMOD |
| 2004-08-03 | KOP353 | ESCAPR |
| 2004-06-25 | KOP353 | ESUFRN |
| 2003-12-10 | KOP353 | PNACT |
| 2003-12-03 | KOP353 | PNACT |
| 2003-12-01 | KOP353 | LIMOD |
| 2003-12-01 | KOP353 | AUTHPR |
| 2003-11-28 | KOP353 | AUTHPR |
| 2003-11-26 | KOP353 | LIMOD |
| 2003-02-07 | KOP353 | AUTHPR |
| 2003-01-29 | KOP353 | PNACT |
| 2003-01-22 | KOP353 | AUTHPR |
| 2003-01-21 | KOP353 | LIMOD |
| 2001-12-28 | KOP353 | LIAUA |
| 2001-11-02 | KOP353 | LIAUA |
| 2000-09-15 | KOP353 | LICCNV |
| 1999-01-28 | KOP353 | AUTHPR |
| 1977-05-16 | KOP353 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1117832 | 2026-08-02 00:37:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KOP353 | ULS 1117832 | 2026-08-02 00:37:55 |
| Status | A | ULS 1117832 | 2026-08-02 00:37:55 |
| Service | RP | ULS 1117832 | 2026-08-02 00:37:55 |
| Grant Date | 1977-05-16 | ULS 1117832 | 2026-08-02 00:37:55 |
| Expiration Date | 2030-02-01 | ULS 1117832 | 2026-08-02 00:37:55 |