Universal Licensing System
KNFB512
COLUMBIA WELDING & SUPPLY INC
License details
| ULS identifier | 1622121 |
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| Call sign | KNFB512 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1997-01-24 |
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| Expiration | 2002-03-19 |
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| Cancellation | 2002-05-19 |
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| Frequency range | 464.15 - 469.15 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | IMPROVE, MARION, MS |
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| Coordinates | 31.3354444, -89.7023056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:47 |
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Licensee
| Name | COLUMBIA WELDING & SUPPLY INC |
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| Applicant type | C |
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| Location | COLUMBIA, MS |
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| Address | COLUMBIA, MS, 39429 |
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| Phone | 6017364332 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 2 | 1 | FB2 | 464.15000000 | | | 75.000000 | | |
| 1 | 1 | FX1 | 469.15000000 | | | 30.000000 | | |
| 3 | 1 | MO | 469.15000000 | | | 100.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 464.15000000 | | 20K0F3E |
| 1 | 1 | 469.15000000 | | 20K0F3E |
| 3 | 1 | 469.15000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MS | | | | | |
| 2 | T | .4 MI SSW OF JUNCTIONS OF HWYS 44 & IMPROVE RD .5 MI S, IMPROVE, MARION, MS | 31.33544444, -89.70230556 | 119.000 m | | | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 152.000 m | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1.5 MI E OF JUNCTION OF HWYS 98 & 13 ON HWY 98, COLUMBIA, MS | | 6017364332 |
License history
| Date | File or call sign | Action |
|---|
| 2002-05-19 | KNFB512 | LIEXP |
| 2001-12-26 | KNFB512 | LETRES |
| 2001-09-07 | KNFB512 | AUDOPR |
| 2000-11-23 | KNFB512 | LICCNV |
| 1997-01-25 | KNFB512 | AUTHPR |
| 1997-01-24 | KNFB512 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1622121 | 2026-08-02 01:27:47 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNFB512 | ULS 1622121 | 2026-08-02 01:27:47 |
| Status | E | ULS 1622121 | 2026-08-02 01:27:47 |
| Service | IG | ULS 1622121 | 2026-08-02 01:27:47 |
| Grant Date | 1997-01-24 | ULS 1622121 | 2026-08-02 01:27:47 |
| Expiration Date | 2002-03-19 | ULS 1622121 | 2026-08-02 01:27:47 |
| Cancellation Date | 2002-05-19 | ULS 1622121 | 2026-08-02 01:27:47 |