Universal Licensing System
WPWI531
STERLING SYSTEMS
License details
| ULS identifier | 2463202 |
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| Call sign | WPWI531 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2002-11-21 |
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| Expiration | 2012-11-21 |
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| Cancellation | 2013-01-26 |
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| Frequency range | 466.075 - 469.85 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | MAPLEWOOD, RAMSEY, MN |
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| Coordinates | 44.9993611, -93.0904722 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:54 |
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Licensee
| Name | STERLING SYSTEMS |
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| Applicant type | C |
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| FRN | 0007564701 |
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| Location | MAPLEWOOD, MN |
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| Address | 245 ROSELAWN AVENUE EAST SUITE 21, MAPLEWOOD, MN, 551171988 |
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| Phone | 6514874222 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 466.07500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 468.37500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 469.12500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 469.35000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 469.85000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 466.07500000 | | 11K2F3E |
| 1 | 1 | 468.37500000 | | 11K2F3E |
| 1 | 1 | 469.12500000 | | 20K0F3E |
| 1 | 1 | 469.35000000 | | 11K2F3E |
| 1 | 1 | 469.85000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MAPLEWOOD, RAMSEY, MN | 44.99936111, -93.09047222 | 0.000 m | | 0.000 m structure / 0.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 245 ROSELAWN AVE EAST SUITE 21, MAPLEWOOD, MN | RAMSEY | 6514874222 |
License history
| Date | File or call sign | Action |
|---|
| 2013-01-26 | WPWI531 | LIEXP |
| 2012-08-27 | WPWI531 | LETRES |
| 2003-08-20 | WPWI531 | LETCNS |
| 2002-11-21 | WPWI531 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2463202 | 2026-08-02 01:16:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPWI531 | ULS 2463202 | 2026-08-02 01:16:54 |
| Status | E | ULS 2463202 | 2026-08-02 01:16:54 |
| Service | IG | ULS 2463202 | 2026-08-02 01:16:54 |
| Grant Date | 2002-11-21 | ULS 2463202 | 2026-08-02 01:16:54 |
| Expiration Date | 2012-11-21 | ULS 2463202 | 2026-08-02 01:16:54 |
| Cancellation Date | 2013-01-26 | ULS 2463202 | 2026-08-02 01:16:54 |