Universal Licensing System
WPWR271
COLUMBIA HELICOPTERS INC
License details
| ULS identifier | 2474972 |
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| Call sign | WPWR271 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2003-01-08 |
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| Expiration | 2003-07-08 |
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| Cancellation | 2003-09-07 |
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| Frequency range | 153.305 - 158.43 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | HEBER, NAVAJO, AZ |
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| Coordinates | 34.1833889, -110.6634444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:03 |
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Licensee
| Name | COLUMBIA HELICOPTERS INC |
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| Applicant type | C |
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| FRN | 0008173635 |
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| Location | PORTLAND, OR |
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| Address | PORTLAND, OR, 97208 |
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| Phone | 5036781222 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB2 | 153.30500000 | | | 50.000000 | 250.900000 | |
| 2 | 1 | MO | 153.30500000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 153.30500000 | | | 8.000000 | 8.000000 | |
| 2 | 1 | MO | 153.30500000 | | | 10.000000 | 10.000000 | |
| 2 | 1 | MO | 158.43000000 | | | 10.000000 | 10.000000 | |
| 2 | 1 | MO | 158.43000000 | | | 8.000000 | 8.000000 | |
| 2 | 1 | MO | 158.43000000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 153.30500000 | | 20K0F3E |
| 2 | 1 | 153.30500000 | | 20K0F3E |
| 2 | 1 | 153.30500000 | | 20K0F3E |
| 2 | 1 | 153.30500000 | | 20K0F3E |
| 2 | 1 | 158.43000000 | | 20K0F3E |
| 2 | 1 | 158.43000000 | | 20K0F3E |
| 2 | 1 | 158.43000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CHEDISKI FIREWATCH TOWER, HEBER, NAVAJO, AZ | 34.18338889, -110.66344444 | 2274.000 m | BANT | 38.000 m structure / 40.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 40.000 m | V | 9.0000 | 90.0000 | 308.000 | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 3720 RAINBOW LAKE DR #29, LAKESIDE, AZ | NAVAJO | 9283684720 |
License history
| Date | File or call sign | Action |
|---|
| 2003-09-07 | WPWR271 | LIEXP |
| 2003-01-08 | WPWR271 | COR |
| 2003-01-08 | WPWR271 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2474972 | 2026-08-02 01:14:03 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPWR271 | ULS 2474972 | 2026-08-02 01:14:03 |
| Status | E | ULS 2474972 | 2026-08-02 01:14:03 |
| Service | IG | ULS 2474972 | 2026-08-02 01:14:03 |
| Grant Date | 2003-01-08 | ULS 2474972 | 2026-08-02 01:14:03 |
| Expiration Date | 2003-07-08 | ULS 2474972 | 2026-08-02 01:14:03 |
| Cancellation Date | 2003-09-07 | ULS 2474972 | 2026-08-02 01:14:03 |