Universal Licensing System
WPLF913
NORTHBROOK SCHOOL DISTRICT 28
License details
| ULS identifier | 1785764 |
|---|
| Call sign | WPLF913 |
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| Radio service | IG |
|---|
| Status | E |
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| Grant date | 1999-09-29 |
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| Expiration | 2004-09-29 |
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| Cancellation | 2004-12-04 |
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| Frequency range | 452.45 - 467.5 MHz (6 frequencies) |
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| Locations | 2 |
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| Representative location | NORTHBROOK, COOK, IL |
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| Coordinates | 42.1253333, -87.8153611 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:57 |
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Licensee
| Name | NORTHBROOK SCHOOL DISTRICT 28 |
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| Applicant type | G |
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| FRN | 0002835502 |
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| Location | NORTHBROOK, IL |
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| Address | 1475 MAPLE AVE, NORTHBROOK, IL, 60062 |
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| Phone | 8474987900 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 4 | 1 | FB2 | 452.45000000 | | | 25.000000 | 40.000000 | |
| 5 | 1 | MO | 452.45000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | FX1 | 457.45000000 | | | 25.000000 | 25.000000 | |
| 5 | 1 | MO | 457.45000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 461.85000000 | | | 40.000000 | 160.000000 | |
| 3 | 1 | MO | 461.85000000 | | | 40.000000 | 40.000000 | |
| 1 | 1 | FB2 | 462.50000000 | | | 40.000000 | 160.000000 | |
| 3 | 1 | MO | 462.50000000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | FX1 | 466.85000000 | | | 40.000000 | 40.000000 | |
| 3 | 1 | MO | 466.85000000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | FX1 | 467.50000000 | | | 40.000000 | 40.000000 | |
| 3 | 1 | MO | 467.50000000 | | | 40.000000 | 40.000000 | |
| 4 | 1 | FX1 | 467.50000000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 4 | 1 | 452.45000000 | | 11K2F3E |
| 5 | 1 | 452.45000000 | | 11K2F3E |
| 2 | 1 | 457.45000000 | | 11K2F3E |
| 5 | 1 | 457.45000000 | | 11K2F3E |
| 1 | 1 | 461.85000000 | | 20K0F3E |
| 3 | 1 | 461.85000000 | | 20K0F3E |
| 1 | 1 | 462.50000000 | | 20K0F3E |
| 3 | 1 | 462.50000000 | | 20K0F3E |
| 2 | 1 | 466.85000000 | | 20K0F3E |
| 3 | 1 | 466.85000000 | | 20K0F3E |
| 2 | 1 | 467.50000000 | | 20K0F3E |
| 3 | 1 | 467.50000000 | | 20K0F3E |
| 4 | 1 | 467.50000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1600 WALTERS AVE, NORTHBROOK, COOK, IL | 42.11669444, -87.82088889 | 252.000 m | B | 18.000 m structure / 18.000 m overall | N |
| 2 | T | IL | | | | | |
| 3 | T | | | | | | |
| 4 | T | 1475 MAPLE AVENUE, NORTHBROOK, COOK, IL | 42.12533333, -87.81536111 | 198.000 m | BANT | 6.100 m structure / 9.100 m overall | N |
| 5 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 18.000 m | | | | 77.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | | | 9.100 m | | 6.0000 | 360.0000 | 13.800 | |
| 1 | 5 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1475 MAPLE AVE, NORTHBROOK, IL | COOK | 8474987900 |
License history
| Date | File or call sign | Action |
|---|
| 2004-12-04 | WPLF913 | LIEXP |
| 2004-08-16 | WPLF913 | LETCNS |
| 2004-07-05 | WPLF913 | LETRES |
| 2003-11-13 | WPLF913 | LIMOD |
| 2001-10-23 | WPLF913 | AUDOPR |
| 2000-11-23 | WPLF913 | LICCNV |
| 1999-09-29 | WPLF913 | AUTHPR |
| 1999-09-29 | WPLF913 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1785764 | 2026-08-02 01:10:57 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPLF913 | ULS 1785764 | 2026-08-02 01:10:57 |
| Status | E | ULS 1785764 | 2026-08-02 01:10:57 |
| Service | IG | ULS 1785764 | 2026-08-02 01:10:57 |
| Grant Date | 1999-09-29 | ULS 1785764 | 2026-08-02 01:10:57 |
| Expiration Date | 2004-09-29 | ULS 1785764 | 2026-08-02 01:10:57 |
| Cancellation Date | 2004-12-04 | ULS 1785764 | 2026-08-02 01:10:57 |