Universal Licensing System
WQYD472
Greenbrook School
License details
| ULS identifier | 3842208 |
|---|
| Call sign | WQYD472 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2016-08-24 |
|---|
| Expiration | 2026-08-24 |
|---|
| Frequency range | 451.35 - 469.8375 MHz (19 frequencies) |
|---|
| Locations | 8 |
|---|
| Representative location | Hanover Park, DUPAGE, IL |
|---|
| Coordinates | 41.9679167, -88.1385556 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:21:08 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 7 | 1 | FB2 | 451.35000000 | | | 40.000000 | 22.000000 | |
| 8 | 1 | MO | 451.35000000 | | | 5.000000 | 5.000000 | |
| 6 | 1 | MO | 451.91250000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | FB2 | 452.12500000 | | | 40.000000 | 22.000000 | |
| 3 | 1 | MO | 452.12500000 | | | 5.000000 | 5.000000 | |
| 9 | 1 | MO | 456.28750000 | | | 4.000000 | 4.000000 | |
| 8 | 1 | MO | 456.35000000 | | | 5.000000 | 5.000000 | |
| 9 | 1 | MO | 456.38750000 | | | 4.000000 | 4.000000 | |
| 9 | 1 | MO | 456.48750000 | | | 4.000000 | 4.000000 | |
| 9 | 1 | MO | 456.61250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 457.12500000 | | | 5.000000 | 5.000000 | |
| 9 | 1 | MO | 457.78750000 | | | 4.000000 | 4.000000 | |
| 6 | 1 | MO | 461.46250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 463.65000000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | FB2 | 463.65000000 | | | 40.000000 | 22.000000 | |
| 5 | 1 | MO | 463.65000000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 463.83750000 | | | 5.000000 | 5.000000 | |
| 6 | 1 | MO | 464.18750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 464.83750000 | | | 5.000000 | 5.000000 | |
| 6 | 1 | MO | 466.46250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 468.65000000 | | | 5.000000 | 5.000000 | |
| 5 | 1 | MO | 468.65000000 | | | 5.000000 | 5.000000 | |
| 6 | 1 | MO | 469.18750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 469.83750000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 7 | 1 | 451.35000000 | | 7K60FXE |
| 8 | 1 | 451.35000000 | | 7K60FXE |
| 6 | 1 | 451.91250000 | | 7K60FXE |
| 2 | 1 | 452.12500000 | | 7K60FXE |
| 3 | 1 | 452.12500000 | | 7K60FXE |
| 9 | 1 | 456.28750000 | | 11K2F3E |
| 8 | 1 | 456.35000000 | | 7K60FXE |
| 9 | 1 | 456.38750000 | | 11K2F3E |
| 9 | 1 | 456.48750000 | | 11K2F3E |
| 9 | 1 | 456.61250000 | | 11K2F3E |
| 3 | 1 | 457.12500000 | | 7K60FXE |
| 9 | 1 | 457.78750000 | | 11K2F3E |
| 6 | 1 | 461.46250000 | | 7K60FXE |
| 1 | 1 | 463.65000000 | | 7K60FXE |
| 1 | 1 | 463.65000000 | | 11K2F3E |
| 4 | 1 | 463.65000000 | | 7K60FXE |
| 5 | 1 | 463.65000000 | | 7K60FXE |
| 1 | 1 | 463.83750000 | | 7K60FXE |
| 1 | 1 | 463.83750000 | | 11K2F3E |
| 6 | 1 | 464.18750000 | | 7K60FXE |
| 1 | 1 | 464.83750000 | | 7K60FXE |
| 1 | 1 | 464.83750000 | | 11K2F3E |
| 6 | 1 | 466.46250000 | | 7K60FXE |
| 1 | 1 | 468.65000000 | | 11K2F3E |
| 1 | 1 | 468.65000000 | | 7K60FXE |
| 5 | 1 | 468.65000000 | | 7K60FXE |
| 6 | 1 | 469.18750000 | | 7K60FXE |
| 1 | 1 | 469.83750000 | | 11K2F3E |
| 1 | 1 | 469.83750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Hanover Park, DUPAGE, IL | 41.96791667, -88.13855556 | | | | |
| 2 | T | 5208 Arlington Cir, Hanover Park, DUPAGE, IL | 41.96791667, -88.13855556 | 243.000 m | BANT | 6.000 m structure / 9.000 m overall | N |
| 3 | T | | | | | | N |
| 4 | T | 5540 Arlington Dr E, East Hanover Park, DUPAGE, IL | 41.97263889, -88.12911111 | 238.200 m | BANT | 6.000 m structure / 9.000 m overall | N |
| 5 | T | | | | | | N |
| 6 | T | East Hanover Park, DUPAGE, IL | 41.97263889, -88.12911111 | | | | N |
| 7 | T | 355 Rodenburg Rd, Roselle, DUPAGE, IL | 41.97586111, -88.11038889 | 238.800 m | BANT | 6.000 m structure / 9.000 m overall | N |
| 8 | T | | | | | | N |
| 9 | T | ROSELLE, DUPAGE, IL | 41.97658333, -88.10952778 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 9.000 m | V | | | 19.800 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | 9.000 m | V | | | 15.200 | |
| 1 | 5 | T | | | | | | | |
| 1 | 6 | T | | | | | | | |
| 1 | 7 | T | | 9.000 m | V | | | 16.800 | |
| 1 | 8 | T | | | | | | | |
| 1 | 9 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 5208 Arlington Cir, Hanover Park, IL | DUPAGE | 6304882404 |
| 2 | 5540 Arlington Dr E, East Hanover Park, IL | DUPAGE | 6304882404 |
| 3 | 355 Rodenburg Rd, Roselle, IL | DUPAGE | 6308944202 |
License history
| Date | File or call sign | Action |
|---|
| 2026-06-25 | WQYD472 | ESURNW |
| 2026-06-01 | WQYD472 | LETRES |
| 2026-05-26 | WQYD472 | ESURNW |
| 2018-09-11 | WQYD472 | LETCNS |
| 2017-12-12 | WQYD472 | LIMOD |
| 2017-05-23 | WQYD472 | LETCNS |
| 2016-08-24 | WQYD472 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3842208 | 2026-08-02 01:21:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQYD472 | ULS 3842208 | 2026-08-02 01:21:08 |
| Status | A | ULS 3842208 | 2026-08-02 01:21:08 |
| Service | IG | ULS 3842208 | 2026-08-02 01:21:08 |
| Grant Date | 2016-08-24 | ULS 3842208 | 2026-08-02 01:21:08 |
| Expiration Date | 2026-08-24 | ULS 3842208 | 2026-08-02 01:21:08 |