Universal Licensing System
WPIY581
GRIZZLY MT AVIATION INC
License details
| ULS identifier | 1735585 |
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| Call sign | WPIY581 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2005-12-07 |
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| Expiration | 2015-12-01 |
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| Cancellation | 2016-02-06 |
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| Frequency range | 151.625 - 151.895 MHz (2 frequencies) |
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| Locations | 2 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:17:51 |
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Licensee
| Name | GRIZZLY MT AVIATION INC |
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| Applicant type | C |
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| FRN | 0014327761 |
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| Location | PRINEVILLE, OR |
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| Address | 4411 NW ELLIOTT LANE, PRINEVILLE, OR, 97754 |
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| Phone | 5034471685 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MOI | 151.62500000 | | | 35.000000 | | |
| 2 | 1 | MO | 151.89500000 | | | 35.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 151.62500000 | | 20K0F3E |
| 2 | 1 | 151.89500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 517240 GRIZZLY MT RD, PRINEVILLE, OR | | 5034471685 |
License history
| Date | File or call sign | Action |
|---|
| 2016-02-06 | WPIY581 | LIEXP |
| 2015-09-14 | WPIY581 | LETRES |
| 2005-12-07 | WPIY581 | LIREN |
| 2005-11-30 | WPIY581 | LTSFRN |
| 2005-11-30 | WPIY581 | LTSAPR |
| 2005-09-12 | WPIY581 | LETRES |
| 2000-11-23 | WPIY581 | LICCNV |
| 2000-10-24 | WPIY581 | AUTHPR |
| 2000-10-24 | WPIY581 | LIREN |
| 2000-09-18 | WPIY581 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1735585 | 2026-08-02 01:17:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPIY581 | ULS 1735585 | 2026-08-02 01:17:51 |
| Status | E | ULS 1735585 | 2026-08-02 01:17:51 |
| Service | IG | ULS 1735585 | 2026-08-02 01:17:51 |
| Grant Date | 2005-12-07 | ULS 1735585 | 2026-08-02 01:17:51 |
| Expiration Date | 2015-12-01 | ULS 1735585 | 2026-08-02 01:17:51 |
| Cancellation Date | 2016-02-06 | ULS 1735585 | 2026-08-02 01:17:51 |