Universal Licensing System
KEW897
COLUTRON RESEARCH CORPORATION
License details
| ULS identifier | 1609438 |
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| Call sign | KEW897 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2010-12-07 |
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| Expiration | 2021-02-26 |
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| Cancellation | 2021-05-01 |
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| Frequency range | 151.865 MHz |
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| Locations | 2 |
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| Representative location | BOULDER, BOULDER, CO |
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| Coordinates | 40.0138611, -105.2272222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:30 |
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Licensee
| Name | COLUTRON RESEARCH CORPORATION |
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| Applicant type | C |
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| FRN | 0004535217 |
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| Location | BOULDER, CO |
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| Address | 2321 YARMOUTH AVE, BOULDER, CO, 803011618 |
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| Phone | 3034435211 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 151.86500000 | | | 110.000000 | 110.000000 | |
| 2 | 1 | MO | 151.86500000 | | | 110.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 151.86500000 | | 11K2F3E |
| 2 | 1 | 151.86500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2321 YARMOUTH AVE, BOULDER, BOULDER, CO | 40.01386111, -105.22722222 | 1585.000 m | | 12.000 m structure / 12.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2321 YARMOUTH AVE, BOULDER, CO | BOULDER | 3034435211 |
License history
| Date | File or call sign | Action |
|---|
| 2021-05-01 | KEW897 | LIEXP |
| 2020-11-30 | KEW897 | LETRES |
| 2013-02-13 | KEW897 | LIMOD |
| 2012-10-29 | KEW897 | LTSAPR |
| 2011-03-24 | KEW897 | AUTHPR |
| 2010-12-07 | KEW897 | LIREN |
| 2010-12-07 | KEW897 | LTSAPR |
| 2010-12-06 | KEW897 | LETRES |
| 2001-09-07 | KEW897 | AUDOPR |
| 2001-03-06 | KEW897 | LIREN |
| 2000-11-28 | KEW897 | LETRES |
| 2000-11-22 | KEW897 | LICCNV |
| 1996-01-17 | KEW897 | LIREN |
| 1996-01-17 | KEW897 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1609438 | 2026-08-02 01:14:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KEW897 | ULS 1609438 | 2026-08-02 01:14:30 |
| Status | E | ULS 1609438 | 2026-08-02 01:14:30 |
| Service | IG | ULS 1609438 | 2026-08-02 01:14:30 |
| Grant Date | 2010-12-07 | ULS 1609438 | 2026-08-02 01:14:30 |
| Expiration Date | 2021-02-26 | ULS 1609438 | 2026-08-02 01:14:30 |
| Cancellation Date | 2021-05-01 | ULS 1609438 | 2026-08-02 01:14:30 |