Universal Licensing System
WPPW711
UNDERWRITERS LABORATORIES INC
License details
| ULS identifier | 1821183 |
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| Call sign | WPPW711 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2000-02-15 |
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| Expiration | 2005-02-15 |
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| Cancellation | 2005-04-23 |
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| Frequency range | 452.5 - 457.5 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | NORTHBROOK, LAKE, IL |
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| Coordinates | 42.1472500, -87.8481111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:02 |
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Licensee
| Name | UNDERWRITERS LABORATORIES INC |
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| Applicant type | C |
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| Location | NORTHBROOK, IL |
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| Address | 333 PFINGSTEN RD, NORTHBROOK, IL, 60062 |
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| Phone | 8472728800 |
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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 | FB2 | 452.50000000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 452.50000000 | | | 4.000000 | | |
| 2 | 1 | MO | 457.50000000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.50000000 | | 20K0F3E |
| 2 | 1 | 452.50000000 | | 20K0F3E |
| 2 | 1 | 457.50000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 333 PFINGSTEN RD, NORTHBROOK, LAKE, IL | 42.14725000, -87.84811111 | 201.000 m | B | 12.000 m structure / 14.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 14.000 m | | | | 17.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 333 PFINGSTEN RD, NORTHBROOK, IL | | 8472728800 |
License history
| Date | File or call sign | Action |
|---|
| 2005-04-23 | WPPW711 | LIEXP |
| 2004-11-22 | WPPW711 | LETRES |
| 2001-12-04 | WPPW711 | AUDOPR |
| 2000-11-23 | WPPW711 | LICCNV |
| 2000-02-16 | WPPW711 | AUTHPR |
| 2000-02-15 | WPPW711 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1821183 | 2026-08-02 01:27:02 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPPW711 | ULS 1821183 | 2026-08-02 01:27:02 |
| Status | E | ULS 1821183 | 2026-08-02 01:27:02 |
| Service | IG | ULS 1821183 | 2026-08-02 01:27:02 |
| Grant Date | 2000-02-15 | ULS 1821183 | 2026-08-02 01:27:02 |
| Expiration Date | 2005-02-15 | ULS 1821183 | 2026-08-02 01:27:02 |
| Cancellation Date | 2005-04-23 | ULS 1821183 | 2026-08-02 01:27:02 |