Universal Licensing System
WQFN987
NORTHBROOK SCHOOL DISTRICT 27
License details
| ULS identifier | 2839534 |
|---|
| Call sign | WQFN987 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2016-06-14 |
|---|
| Expiration | 2026-08-29 |
|---|
| Frequency range | 461.9375 - 469.1125 MHz (7 frequencies) |
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| Locations | 2 |
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| Representative location | NORTHBROOK, COOK, IL |
|---|
| Coordinates | 42.1341389, -87.8510278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:18:12 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 7 | 1 | FB2 | 461.93750000 | | | 50.000000 | 60.000000 | |
| 8 | 1 | MO | 461.93750000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | FB2 | 462.06250000 | | | 50.000000 | 60.000000 | |
| 6 | 1 | MO | 462.06250000 | | | 4.000000 | 4.000000 | |
| 1 | 2 | FB2 | 464.11250000 | | | 50.000000 | 60.000000 | |
| 4 | 1 | MO | 464.11250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FX1 | 466.93750000 | | | 10.000000 | 10.000000 | |
| 8 | 1 | MO | 466.93750000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FX1 | 467.06250000 | | | 10.000000 | 10.000000 | |
| 6 | 1 | MO | 467.06250000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | MO | 468.41250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FX1 | 469.11250000 | | | 10.000000 | 10.000000 | |
| 4 | 1 | MO | 469.11250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 7 | 1 | 461.93750000 | | 11K0F3E |
| 7 | 1 | 461.93750000 | | 7K60FXW |
| 8 | 1 | 461.93750000 | | 7K60FXW |
| 8 | 1 | 461.93750000 | | 11K0F3E |
| 5 | 1 | 462.06250000 | | 11K0F3E |
| 5 | 1 | 462.06250000 | | 7K60FXW |
| 6 | 1 | 462.06250000 | | 7K60FXW |
| 6 | 1 | 462.06250000 | | 11K0F3E |
| 1 | 2 | 464.11250000 | | 7K60FXW |
| 1 | 2 | 464.11250000 | | 11K0F3E |
| 4 | 1 | 464.11250000 | | 11K0F3E |
| 3 | 1 | 466.93750000 | | 11K0F3E |
| 3 | 1 | 466.93750000 | | 7K60FXW |
| 8 | 1 | 466.93750000 | | 7K60FXW |
| 8 | 1 | 466.93750000 | | 11K0F3E |
| 3 | 1 | 467.06250000 | | 7K60FXW |
| 3 | 1 | 467.06250000 | | 11K0F3E |
| 6 | 1 | 467.06250000 | | 11K0F3E |
| 6 | 1 | 467.06250000 | | 7K60FXW |
| 4 | 1 | 468.41250000 | | 7K60FXW |
| 4 | 1 | 468.41250000 | | 11K0F3E |
| 3 | 1 | 469.11250000 | | 11K0F3E |
| 3 | 1 | 469.11250000 | | 7K60FXW |
| 4 | 1 | 469.11250000 | | 7K60FXW |
| 4 | 1 | 469.11250000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1250 SANDERS RD, NORTHBROOK, COOK, IL | 42.12930556, -87.87980556 | 199.000 m | BTWR | 19.000 m structure / 19.000 m overall | N |
| 3 | T | COOK, IL | | | | | |
| 4 | | | | | | | N |
| 5 | | 500 Laburnum Dr, Northbrook, COOK, IL | 42.14383333, -87.86791667 | 212.000 m | Bant | 10.600 m structure / 12.100 m overall | N |
| 6 | | | | | | | N |
| 7 | | 1000 PFINGSTEN ROAD, NORTHBROOK, COOK, IL | 42.13413889, -87.85102778 | 205.000 m | BMAST | 8.500 m structure / 10.600 m overall | N |
| 8 | | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 3 | | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | 12.100 m | | | | 21.500 | |
| 1 | 6 | T | | | | | | | |
| 1 | 7 | T | | 10.600 m | | | | 16.600 | |
| 1 | 8 | T | | | | | | | |
| 2 | 1 | T | | 19.000 m | | | | 13.700 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1250 SANDERS RD, NORTHBROOK, IL | COOK | 8474982610 |
License history
| Date | File or call sign | Action |
|---|
| 2026-06-30 | WQFN987 | ESURNW |
| 2026-06-08 | WQFN987 | LETRES |
| 2016-06-14 | WQFN987 | LIREN |
| 2016-06-06 | WQFN987 | LETRES |
| 2016-05-31 | WQFN987 | ESURNW |
| 2014-08-22 | WQFN987 | LIMOD |
| 2013-12-07 | WQFN987 | LIAUA |
| 2013-12-06 | WQFN987 | ESUAPR |
| 2013-12-04 | WQFN987 | LIMOD |
| 2013-01-22 | WQFN987 | LIMOD |
| 2012-10-25 | WQFN987 | ESUAPR |
| 2012-10-19 | WQFN987 | LIMOD |
| 2006-08-29 | WQFN987 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2839534 | 2026-08-02 01:18:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQFN987 | ULS 2839534 | 2026-08-02 01:18:12 |
| Status | A | ULS 2839534 | 2026-08-02 01:18:12 |
| Service | IG | ULS 2839534 | 2026-08-02 01:18:12 |
| Grant Date | 2016-06-14 | ULS 2839534 | 2026-08-02 01:18:12 |
| Expiration Date | 2026-08-29 | ULS 2839534 | 2026-08-02 01:18:12 |