Universal Licensing System
KNNN978
GRINNELL FIRE PROTECTION
License details
| ULS identifier | 1633478 |
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| Call sign | KNNN978 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1996-03-22 |
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| Expiration | 2001-03-22 |
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| Cancellation | 2001-05-27 |
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| Frequency range | 461.125 MHz |
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| Locations | 1 |
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| Representative location | OKLAHOMA, OK |
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| Coordinates | 35.4667222, -97.5003056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:57 |
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Licensee
| Name | GRINNELL FIRE PROTECTION |
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| Applicant type | C |
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| Location | OKLAHOMA CITY, OK |
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| Address | 4710 SW 18TH ST, OKLAHOMA CITY, OK, 73128 |
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| Phone | 4056825316 |
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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 | MO | 461.12500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.12500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | OKLAHOMA, OK | 35.46672222, -97.50030556 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 4710 SW 18TH ST, OKLAHOMA CITY, OK | | 4056825316 |
License history
| Date | File or call sign | Action |
|---|
| 2001-05-27 | KNNN978 | LIEXP |
| 2000-12-24 | KNNN978 | LETRES |
| 2000-11-23 | KNNN978 | LICCNV |
| 1996-03-28 | KNNN978 | AUTHPR |
| 1996-03-22 | KNNN978 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1633478 | 2026-08-02 01:27:57 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNNN978 | ULS 1633478 | 2026-08-02 01:27:57 |
| Status | E | ULS 1633478 | 2026-08-02 01:27:57 |
| Service | IG | ULS 1633478 | 2026-08-02 01:27:57 |
| Grant Date | 1996-03-22 | ULS 1633478 | 2026-08-02 01:27:57 |
| Expiration Date | 2001-03-22 | ULS 1633478 | 2026-08-02 01:27:57 |
| Cancellation Date | 2001-05-27 | ULS 1633478 | 2026-08-02 01:27:57 |