Universal Licensing System
KNNR643
CSX TRANSPORTATION INC.
License details
| ULS identifier | 1916722 |
|---|
| Call sign | KNNR643 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2001-01-24 |
|---|
| Expiration | 2011-04-12 |
|---|
| Cancellation | 2011-06-18 |
|---|
| Frequency range | 160.23 - 161.43 MHz (9 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | MEDULLA, POLK, FL |
|---|
| Coordinates | 27.9580833, -81.9703611 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:11:23 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 160.23000000 | | | 20.000000 | 36.000000 | |
| 2 | 1 | FB | 160.23000000 | | | 20.000000 | 36.000000 | |
| 1 | 1 | FB | 160.35000000 | | | 20.000000 | 36.000000 | |
| 2 | 1 | FB | 160.35000000 | | | 20.000000 | 36.000000 | |
| 1 | 1 | FB | 160.39500000 | | | 20.000000 | 36.000000 | |
| 2 | 1 | FB | 160.39500000 | | | 20.000000 | 36.000000 | |
| 1 | 1 | FB | 160.78500000 | | | 20.000000 | 36.000000 | |
| 2 | 1 | FB | 160.78500000 | | | 20.000000 | 36.000000 | |
| 1 | 1 | FB | 160.89000000 | | | 20.000000 | 36.000000 | |
| 2 | 1 | FB | 160.89000000 | | | 20.000000 | 36.000000 | |
| 1 | 1 | FB | 161.26500000 | | | 20.000000 | 36.000000 | |
| 2 | 1 | FB | 161.26500000 | | | 20.000000 | 36.000000 | |
| 1 | 1 | FB | 161.37000000 | | | 20.000000 | 36.000000 | |
| 2 | 1 | FB | 161.37000000 | | | 20.000000 | 36.000000 | |
| 1 | 1 | FB | 161.41500000 | | | 20.000000 | 36.000000 | |
| 2 | 1 | FB | 161.41500000 | | | 20.000000 | 36.000000 | |
| 1 | 1 | FB | 161.43000000 | | | 20.000000 | 36.000000 | |
| 2 | 1 | FB | 161.43000000 | | | 20.000000 | 36.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 160.23000000 | | 20K0F3E |
| 2 | 1 | 160.23000000 | | 20K0F3E |
| 1 | 1 | 160.35000000 | | 20K0F3E |
| 2 | 1 | 160.35000000 | | 20K0F3E |
| 1 | 1 | 160.39500000 | | 20K0F3E |
| 2 | 1 | 160.39500000 | | 20K0F3E |
| 1 | 1 | 160.78500000 | | 20K0F3E |
| 2 | 1 | 160.78500000 | | 20K0F3E |
| 1 | 1 | 160.89000000 | | 20K0F3E |
| 2 | 1 | 160.89000000 | | 20K0F3E |
| 1 | 1 | 161.26500000 | | 20K0F3E |
| 2 | 1 | 161.26500000 | | 20K0F3E |
| 1 | 1 | 161.37000000 | | 20K0F3E |
| 2 | 1 | 161.37000000 | | 20K0F3E |
| 1 | 1 | 161.41500000 | | 20K0F3E |
| 2 | 1 | 161.41500000 | | 20K0F3E |
| 1 | 1 | 161.43000000 | | 20K0F3E |
| 2 | 1 | 161.43000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | INT OF OAK LN & RR TRACKS, MEDULLA, POLK, FL | 27.95808333, -81.97036111 | 40.000 m | POLE | 14.000 m structure / 17.000 m overall | N |
| 2 | T | INT OF SHEPHARD RD & RR TRACKS, IMPERIAL LAKES, POLK, FL | 27.93225000, -81.97786111 | 37.000 m | POLE | 14.000 m structure / 17.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.000 m | | | | 16.000 | |
| 1 | 2 | T | | 15.000 m | | | | 12.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | DISPATCHER CTR 3019 WARRINGTON ST, JACKSONVILLE, FL | | 9043882180 |
License history
| Date | File or call sign | Action |
|---|
| 2011-06-18 | KNNR643 | LIEXP |
| 2011-02-07 | KNNR643 | LETRES |
| 2011-01-13 | KNNR643 | ESUAPR |
| 2005-03-15 | KNNR643 | LIAUA |
| 2005-03-14 | KNNR643 | ESCAPR |
| 2002-01-22 | KNNR643 | AUDOPR |
| 2001-01-26 | KNNR643 | LETRES |
| 2001-01-24 | KNNR643 | LIREN |
| 2000-11-24 | KNNR643 | LICCNV |
| 1998-11-13 | KNNR643 | AUTHPR |
| 1996-04-12 | KNNR643 | LIAUA |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1916722 | 2026-08-02 01:11:23 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNNR643 | ULS 1916722 | 2026-08-02 01:11:23 |
| Status | E | ULS 1916722 | 2026-08-02 01:11:23 |
| Service | IG | ULS 1916722 | 2026-08-02 01:11:23 |
| Grant Date | 2001-01-24 | ULS 1916722 | 2026-08-02 01:11:23 |
| Expiration Date | 2011-04-12 | ULS 1916722 | 2026-08-02 01:11:23 |
| Cancellation Date | 2011-06-18 | ULS 1916722 | 2026-08-02 01:11:23 |