Universal Licensing System
WPKZ814
3M Company
License details
| ULS identifier | 1753790 |
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| Call sign | WPKZ814 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2022-08-06 |
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| Expiration | 2032-10-28 |
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| Frequency range | 464.775 - 469.775 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | SPRINGFIELD, GREENE, MO |
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| Coordinates | 37.2108889, -93.2276944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:55 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 464.77500000 | | | 25.000000 | 19.000000 | |
| 2 | 1 | MO | 469.77500000 | | | 2.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.77500000 | | 11K2F9W |
| 2 | 1 | 469.77500000 | | 11K2F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3211 E CHESTNUT PARKWAY, SPRINGFIELD, GREENE, MO | 37.21088889, -93.22769444 | 408.000 m | B | 18.000 m structure / 21.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 21.000 m | | | | 34.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 3211 E CHESTNUT EXPRESSWAY, SPRINGFIELD, MO | | 4178693501 |
License history
| Date | File or call sign | Action |
|---|
| 2022-08-06 | WPKZ814 | LIREN |
| 2022-08-01 | WPKZ814 | LETRES |
| 2021-06-15 | WPKZ814 | LIAUA |
| 2016-03-22 | WPKZ814 | LIMOD |
| 2013-01-16 | WPKZ814 | LIAUA |
| 2013-01-15 | WPKZ814 | ESCAPR |
| 2012-10-04 | WPKZ814 | LIREN |
| 2012-08-06 | WPKZ814 | LETRES |
| 2011-02-15 | WPKZ814 | LIMOD |
| 2011-02-10 | WPKZ814 | LTSAPR |
| 2009-11-17 | WPKZ814 | LTSAPR |
| 2009-11-17 | WPKZ814 | LIAUA |
| 2002-09-06 | WPKZ814 | LIREN |
| 2002-08-05 | WPKZ814 | LETRES |
| 2002-05-01 | WPKZ814 | LIAUA |
| 2002-01-22 | WPKZ814 | AUDOPR |
| 2000-11-23 | WPKZ814 | LICCNV |
| 1997-12-10 | WPKZ814 | AUTHPR |
| 1997-10-28 | WPKZ814 | LIAUA |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1753790 | 2026-08-02 01:22:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKZ814 | ULS 1753790 | 2026-08-02 01:22:55 |
| Status | A | ULS 1753790 | 2026-08-02 01:22:55 |
| Service | IG | ULS 1753790 | 2026-08-02 01:22:55 |
| Grant Date | 2022-08-06 | ULS 1753790 | 2026-08-02 01:22:55 |
| Expiration Date | 2032-10-28 | ULS 1753790 | 2026-08-02 01:22:55 |