Universal Licensing System
KNNM583
TRT PARTNERS, LLC
License details
| ULS identifier | 1632839 |
|---|
| Call sign | KNNM583 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2021-04-09 |
|---|
| Expiration | 2031-03-04 |
|---|
| Frequency range | 461.975 - 466.975 MHz (2 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | DUTTON, KENT, MI |
|---|
| Coordinates | 42.7997500, -85.6511389 |
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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 | 461.97500000 | | | 75.000000 | 282.000000 | |
| 3 | 1 | MO | 461.97500000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | FX1 | 466.97500000 | | | 40.000000 | 40.000000 | |
| 3 | 1 | MO | 466.97500000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.97500000 | | 11K2F3E |
| 3 | 1 | 461.97500000 | | 11K2F3E |
| 2 | 1 | 466.97500000 | | 11K2F3E |
| 3 | 1 | 466.97500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 546 92ND ST, DUTTON, KENT, MI | 42.79975000, -85.65113889 | 302.000 m | TOWER | 85.000 m structure / 85.000 m overall | N |
| 2 | T | MI | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 85.000 m | | | | 161.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2306 CYLDE PARK SW, GRAND RAPIDS, MI | KENT | 6163963541 |
License history
| Date | File or call sign | Action |
|---|
| 2021-04-09 | KNNM583 | LIREN |
| 2020-12-07 | KNNM583 | LETRES |
| 2015-03-18 | KNNM583 | LIMOD |
| 2011-03-24 | KNNM583 | AUTHPR |
| 2011-03-08 | KNNM583 | LIREN |
| 2011-02-28 | KNNM583 | ESCAPR |
| 2011-02-22 | KNNM583 | ESCAPR |
| 2011-01-10 | KNNM583 | ESCAPR |
| 2010-12-06 | KNNM583 | LETRES |
| 2003-02-05 | KNNM583 | LIAUA |
| 2002-01-15 | KNNM583 | AUDOPR |
| 2001-01-10 | KNNM583 | LIREN |
| 2000-12-11 | KNNM583 | LETRES |
| 2000-11-23 | KNNM583 | LICCNV |
| 2000-11-23 | KNNM583 | COR |
| 1998-02-19 | KNNM583 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1632839 | 2026-08-02 01:11:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNNM583 | ULS 1632839 | 2026-08-02 01:11:55 |
| Status | A | ULS 1632839 | 2026-08-02 01:11:55 |
| Service | IG | ULS 1632839 | 2026-08-02 01:11:55 |
| Grant Date | 2021-04-09 | ULS 1632839 | 2026-08-02 01:11:55 |
| Expiration Date | 2031-03-04 | ULS 1632839 | 2026-08-02 01:11:55 |