Universal Licensing System
KNNF463
DMOHOWSKI, JOHN A DBA GREENFIELD ASSOCIATES
License details
| ULS identifier | 1630260 |
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| Call sign | KNNF463 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2000-12-28 |
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| Expiration | 2010-12-15 |
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| Cancellation | 2011-02-19 |
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| Frequency range | 463.875 - 468.875 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | NAPLES, COLLIER, FL |
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| Coordinates | 26.0098056, -81.6284167 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:01 |
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Licensee
| Name | DMOHOWSKI, JOHN A DBA GREENFIELD ASSOCIATES |
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| Applicant type | C |
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| FRN | 0006442529 |
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| Location | PASADENA, CA |
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| Address | 1256 CLUBHOUSE DR, PASADENA, CA, 91105 |
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| Phone | 8187990133 |
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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 | FB | 463.87500000 | | | 10.000000 | 3.000000 | |
| 2 | 1 | MO | 468.87500000 | | | 1.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 463.87500000 | | 16K0F2D |
| 2 | 1 | 468.87500000 | | 16K0F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 18100 ROYAL TREE PKY, NAPLES, COLLIER, FL | 26.00980556, -81.62841667 | 5.000 m | B | 12.000 m structure / 18.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 18.000 m | | | | 23.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1256 CLUBHOUSE DR, PASADENA, CA | | 8187990133 |
License history
| Date | File or call sign | Action |
|---|
| 2011-02-19 | KNNF463 | LIEXP |
| 2010-09-20 | KNNF463 | LETRES |
| 2001-11-06 | KNNF463 | AUDOPR |
| 2000-12-28 | KNNF463 | LIREN |
| 2000-11-23 | KNNF463 | LICCNV |
| 2000-09-20 | KNNF463 | LETRES |
| 1995-12-15 | KNNF463 | LIISS |
| 1995-12-15 | KNNF463 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1630260 | 2026-08-02 01:14:01 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNNF463 | ULS 1630260 | 2026-08-02 01:14:01 |
| Status | E | ULS 1630260 | 2026-08-02 01:14:01 |
| Service | IG | ULS 1630260 | 2026-08-02 01:14:01 |
| Grant Date | 2000-12-28 | ULS 1630260 | 2026-08-02 01:14:01 |
| Expiration Date | 2010-12-15 | ULS 1630260 | 2026-08-02 01:14:01 |
| Cancellation Date | 2011-02-19 | ULS 1630260 | 2026-08-02 01:14:01 |