Universal Licensing System
WPKB600
NATIONAL REFRACTORIES & MINERALS CORP
License details
| ULS identifier | 1743845 |
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| Call sign | WPKB600 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2002-01-11 |
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| Expiration | 2012-01-13 |
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| Cancellation | 2012-03-17 |
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| Frequency range | 464 MHz |
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| Locations | 1 |
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| Representative location | COLUMBIANA, OH |
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| Coordinates | 40.8883889, -80.7089722 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:22 |
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Licensee
| Name | NATIONAL REFRACTORIES & MINERALS CORP |
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| Applicant type | C |
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| FRN | 0006074793 |
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| Location | COLUMBIANA, OH |
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| Address | COLUMBIANA, OH, 44408 |
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| Phone | 3304823841 |
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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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| 1 | 1 | MO | 464.00000000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 464.00000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | COLUMBIANA, OH | 40.88838889, -80.70897222 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 41738 ESTERLY DR, COLUMBIANA, OH | | 3304823841 |
License history
| Date | File or call sign | Action |
|---|
| 2012-03-17 | WPKB600 | LIEXP |
| 2011-10-17 | WPKB600 | LETRES |
| 2002-04-29 | WPKB600 | AUDOPR |
| 2002-01-11 | WPKB600 | LIREN |
| 2001-10-22 | WPKB600 | LETRES |
| 2000-11-23 | WPKB600 | LICCNV |
| 1997-01-13 | WPKB600 | AUTHPR |
| 1997-01-13 | WPKB600 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1743845 | 2026-08-02 01:24:22 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPKB600 | ULS 1743845 | 2026-08-02 01:24:22 |
| Status | E | ULS 1743845 | 2026-08-02 01:24:22 |
| Service | IG | ULS 1743845 | 2026-08-02 01:24:22 |
| Grant Date | 2002-01-11 | ULS 1743845 | 2026-08-02 01:24:22 |
| Expiration Date | 2012-01-13 | ULS 1743845 | 2026-08-02 01:24:22 |
| Cancellation Date | 2012-03-17 | ULS 1743845 | 2026-08-02 01:24:22 |