Universal Licensing System
KNNR640
CSX Transportation Inc
License details
| ULS identifier | 1916720 |
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| Call sign | KNNR640 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2001-01-24 |
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| Expiration | 2011-04-12 |
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| Cancellation | 2011-06-18 |
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| Frequency range | 452.9 - 457.9625 MHz (3 frequencies) |
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| Locations | 2 |
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| Representative location | BALDWIN, DUVAL, FL |
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| Coordinates | 30.2894722, -81.9791389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:11:23 |
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Licensee
| Name | CSX Transportation Inc |
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| Applicant type | C |
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| FRN | 0002036325 |
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| Location | JACKSONVILLE, FL |
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| Address | 6735 Southpoint Dr South, 4th FLR J958, JACKSONVILLE, FL, 32216 |
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| Phone | 9043325965 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 452.90000000 | | | 2.000000 | 16.000000 | |
| 2 | 1 | MO | 452.90000000 | | | 2.000000 | | |
| 3 | 1 | FB | 452.96250000 | | | 2.000000 | 16.000000 | |
| 4 | 1 | MO | 457.96250000 | | | 2.000000 | 2.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.90000000 | | 16K0F3E |
| 2 | 1 | 452.90000000 | | 16K0F3E |
| 3 | 1 | 452.96250000 | | 11K2F3E |
| 4 | 1 | 457.96250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BALDWIN YARD 1347 HWY 301 S, BALDWIN, DUVAL, FL | 30.28219444, -81.98344444 | 24.000 m | B | 12.000 m structure / 15.000 m overall | N |
| 2 | T | | | | | | |
| 3 | T | 60FT N OF I10 OVERPASS @ BALDWIN YARD, BALDWIN, DUVAL, FL | 30.28947222, -81.97913889 | 24.000 m | POLE | 15.000 m structure / 15.000 m overall | N |
| 4 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.000 m | | | | 13.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 15.000 m | V | 3.0000 | | 12.800 | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | DISPATCHER CTR 3019 WARRINGTON ST, JACKSONVILLE, FL | | 9043882180 |
| 2 | 31 E GEORGIA STREET, INDIANAPOLIS, IN | MARION | 3172674924 |
License history
| Date | File or call sign | Action |
|---|
| 2011-06-18 | KNNR640 | LIEXP |
| 2011-02-07 | KNNR640 | LETRES |
| 2011-01-13 | KNNR640 | ESUAPR |
| 2006-05-04 | KNNR640 | LIMOD |
| 2005-03-15 | KNNR640 | LIAUA |
| 2005-03-14 | KNNR640 | ESCAPR |
| 2002-01-22 | KNNR640 | AUDOPR |
| 2001-01-26 | KNNR640 | LETRES |
| 2001-01-24 | KNNR640 | LIREN |
| 2000-11-24 | KNNR640 | LICCNV |
| 1998-11-13 | KNNR640 | AUTHPR |
| 1996-04-12 | KNNR640 | LIAUA |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1916720 | 2026-08-02 01:11:23 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNNR640 | ULS 1916720 | 2026-08-02 01:11:23 |
| Status | E | ULS 1916720 | 2026-08-02 01:11:23 |
| Service | IG | ULS 1916720 | 2026-08-02 01:11:23 |
| Grant Date | 2001-01-24 | ULS 1916720 | 2026-08-02 01:11:23 |
| Expiration Date | 2011-04-12 | ULS 1916720 | 2026-08-02 01:11:23 |
| Cancellation Date | 2011-06-18 | ULS 1916720 | 2026-08-02 01:11:23 |