Universal Licensing System
KNNN557
TRT PARTNERS, LLC
License details
| ULS identifier | 1633198 |
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| Call sign | KNNN557 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2021-03-10 |
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| Expiration | 2031-03-13 |
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| Frequency range | 461.225 - 466.225 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | ZEELAND, OTTAWA, MI |
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| Coordinates | 42.8030833, -85.9883611 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:11:55 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 461.22500000 | | | 75.000000 | 150.000000 | |
| 2 | 1 | MO | 461.22500000 | | | 30.000000 | 30.000000 | |
| 2 | 1 | MO | 466.22500000 | | | 30.000000 | 30.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.22500000 | | 11K2F3E |
| 2 | 1 | 461.22500000 | | 11K2F3E |
| 2 | 1 | 466.22500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1934 84TH ST, ZEELAND, OTTAWA, MI | 42.80308333, -85.98836111 | 204.000 m | TOWER | 58.000 m structure / 58.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 52.000 m | | | | 53.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 511 E 8TH ST, HOLLAND, MI | OTTAWA | 6163963541 |
License history
| Date | File or call sign | Action |
|---|
| 2021-03-10 | KNNN557 | LIREN |
| 2020-12-21 | KNNN557 | LETRES |
| 2015-03-18 | KNNN557 | LIMOD |
| 2011-03-24 | KNNN557 | AUTHPR |
| 2011-03-09 | KNNN557 | LIREN |
| 2011-02-28 | KNNN557 | ESCAPR |
| 2011-02-01 | KNNN557 | ESCAPR |
| 2011-01-10 | KNNN557 | ESCAPR |
| 2010-12-22 | KNNN557 | LETRES |
| 2003-02-05 | KNNN557 | LIAUA |
| 2002-01-15 | KNNN557 | AUDOPR |
| 2001-01-10 | KNNN557 | LIREN |
| 2000-12-20 | KNNN557 | LETRES |
| 2000-11-23 | KNNN557 | LICCNV |
| 2000-11-23 | KNNN557 | COR |
| 1998-02-13 | KNNN557 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1633198 | 2026-08-02 01:11:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNNN557 | ULS 1633198 | 2026-08-02 01:11:55 |
| Status | A | ULS 1633198 | 2026-08-02 01:11:55 |
| Service | IG | ULS 1633198 | 2026-08-02 01:11:55 |
| Grant Date | 2021-03-10 | ULS 1633198 | 2026-08-02 01:11:55 |
| Expiration Date | 2031-03-13 | ULS 1633198 | 2026-08-02 01:11:55 |