Universal Licensing System
KNFX939
LAWRENCE PUBLIC SCHOOLS
License details
| ULS identifier | 1623605 |
|---|
| Call sign | KNFX939 |
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| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2022-12-09 |
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| Expiration | 2033-02-17 |
|---|
| Frequency range | 157.62 MHz |
|---|
| Locations | 4 |
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| Representative location | LAWRENCE, VAN BUREN, MI |
|---|
| Coordinates | 42.2180833, -86.0594722 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-09 02:54:23 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 157.62000000 | | | 50.000000 | 140.000000 | |
| 2 | 1 | FB | 157.62000000 | | | 50.000000 | 140.000000 | |
| 3 | 1 | FB | 157.62000000 | | | 50.000000 | 140.000000 | |
| 4 | 1 | MO | 157.62000000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 157.62000000 | | 11K2F3E |
| 2 | 1 | 157.62000000 | | 11K2F3E |
| 3 | 1 | 157.62000000 | | 11K2F3E |
| 4 | 1 | 157.62000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 650 W ST JOSEPH ST, LAWRENCE, VAN BUREN, MI | 42.21808333, -86.05947222 | 209.000 m | MAST | 15.000 m structure / 18.000 m overall | N |
| 2 | T | 650 W ST JOSEPH, LAWRENCE, VAN BUREN, MI | 42.21808333, -86.05975000 | 209.000 m | MAST | 9.000 m structure / 12.000 m overall | N |
| 3 | T | 650 W ST JOSEPH, LAWRENCE, VAN BUREN, MI | 42.21780556, -86.05975000 | 209.000 m | MAST | 14.000 m structure / 18.000 m overall | N |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 18.000 m | | | | 5.000 | |
| 1 | 2 | T | | 12.000 m | | | | -1.000 | |
| 1 | 3 | T | | 18.000 m | | | | 5.000 | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 650 WEST ST JOSEPH ST, LAWRENCE, MI | VAN BUREN | 2696748233 |
License history
| Date | File or call sign | Action |
|---|
| 2022-12-09 | KNFX939 | LIREN |
| 2013-08-12 | KNFX939 | LIMOD |
| 2013-02-15 | KNFX939 | LIREN |
| 2012-11-26 | KNFX939 | LETRES |
| 2009-10-29 | KNFX939 | LIAUA |
| 2009-10-29 | KNFX939 | LTSAPR |
| 2002-12-14 | KNFX939 | LIREN |
| 2002-11-25 | KNFX939 | LETRES |
| 2001-10-05 | KNFX939 | AUDOPR |
| 2000-11-23 | KNFX939 | LICCNV |
| 1997-12-10 | KNFX939 | AUTHPR |
| 1997-12-09 | KNFX939 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1623605 | 2026-08-09 02:54:23 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNFX939 | ULS 1623605 | 2026-08-09 02:54:23 |
| Status | A | ULS 1623605 | 2026-08-09 02:54:23 |
| Service | IG | ULS 1623605 | 2026-08-09 02:54:23 |
| Grant Date | 2022-12-09 | ULS 1623605 | 2026-08-09 02:54:23 |
| Expiration Date | 2033-02-17 | ULS 1623605 | 2026-08-09 02:54:23 |