Universal Licensing System
WZN451
Chaparral Energy LLC
License details
| ULS identifier | 1843690 |
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| Call sign | WZN451 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2015-11-17 |
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| Expiration | 2025-12-20 |
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| Cancellation | 2026-02-21 |
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| Frequency range | 451.6 - 456.6 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | PAWHUSKA, OSAGE, OK |
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| Coordinates | 36.6489444, -96.3341667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:18:33 |
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Licensee
| Name | Chaparral Energy LLC |
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| Applicant type | L |
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| FRN | 0018525147 |
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| Location | Oklahoma City, OK |
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| Address | 701 Cedar Lake Blvd, Oklahoma City, OK, 73114 |
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| Phone | 4054820334 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | FB | 451.60000000 | | | 75.000000 | | |
| 1 | 1 | MO | 456.60000000 | | | 100.000000 | | |
| 2 | 1 | FX1 | 456.60000000 | | | 5.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 451.60000000 | | 11K2F3E |
| 1 | 1 | 456.60000000 | | 11K2F3E |
| 2 | 1 | 456.60000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
| 2 | T | OK | | | | | |
| 3 | T | 1 MI S BIRD CREEK BRIDGE ON SR 99 & 11, PAWHUSKA, OSAGE, OK | 36.64894444, -96.33416667 | 312.000 m | TOWER | 135.100 m structure / 141.000 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 | | | | | | | |
| 1 | 3 | T | | 103.000 m | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 701 Cedar Lake Blvd, Oklahoma City, OK | OKLAHOMA | 4054264330 |
License history
| Date | File or call sign | Action |
|---|
| 2026-02-21 | WZN451 | LIEXP |
| 2025-09-29 | WZN451 | LETRES |
| 2015-11-17 | WZN451 | LIREN |
| 2015-11-13 | WZN451 | LIMOD |
| 2015-11-12 | WZN451 | LTSAPR |
| 2015-09-28 | WZN451 | LETRES |
| 2012-03-06 | WZN451 | LIMOD |
| 2012-02-03 | WZN451 | ESUAPR |
| 2009-03-02 | WZN451 | ESUAPR |
| 2008-10-01 | WZN451 | LIAUA |
| 2008-09-30 | WZN451 | ESCAPR |
| 2006-10-31 | WZN451 | LIASS |
| 2006-01-05 | WZN451 | LIAUA |
| 2005-12-21 | WZN451 | LTSAPR |
| 2005-11-07 | WZN451 | LIREN |
| 2005-11-07 | WZN451 | LTSAPR |
| 2005-10-07 | WZN451 | LTSAPR |
| 2005-10-07 | WZN451 | LTSFRN |
| 2005-09-26 | WZN451 | LETRES |
| 2001-10-15 | WZN451 | AUDOPR |
| 2000-11-23 | WZN451 | LICCNV |
| 2000-10-24 | WZN451 | LIREN |
| 2000-10-24 | WZN451 | AUTHPR |
| 2000-09-21 | WZN451 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1843690 | 2026-08-02 01:18:33 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WZN451 | ULS 1843690 | 2026-08-02 01:18:33 |
| Status | E | ULS 1843690 | 2026-08-02 01:18:33 |
| Service | IG | ULS 1843690 | 2026-08-02 01:18:33 |
| Grant Date | 2015-11-17 | ULS 1843690 | 2026-08-02 01:18:33 |
| Expiration Date | 2025-12-20 | ULS 1843690 | 2026-08-02 01:18:33 |
| Cancellation Date | 2026-02-21 | ULS 1843690 | 2026-08-02 01:18:33 |