Universal Licensing System
WNNJ527
JOSEPH T RYERSON & SON INC
License details
| ULS identifier | 1904527 |
|---|
| Call sign | WNNJ527 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 1999-01-19 |
|---|
| Expiration | 2004-01-10 |
|---|
| Cancellation | 2004-03-14 |
|---|
| Frequency range | 451.525 - 456.525 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | CHICAGO, COOK, IL |
|---|
| Coordinates | 41.6986389, -87.6011667 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:17:33 |
|---|
Licensee
| Name | JOSEPH T RYERSON & SON INC |
|---|
| Applicant type | C |
|---|
| FRN | 0005262027 |
|---|
| Location | CHICAGO, IL |
|---|
| Address | 720 E 111TH ST, CHICAGO, IL, 60628 |
|---|
| Phone | 3127622121 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.52500000 | | | 10.000000 | 6.000000 | |
| 2 | 1 | MO | 451.52500000 | | | 4.000000 | | |
| 2 | 1 | MO | 456.52500000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.52500000 | | 16K0F3E |
| 2 | 1 | 451.52500000 | | 20K0F2D |
| 2 | 1 | 456.52500000 | | 20K0F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 720 E 111TH ST, CHICAGO, COOK, IL | 41.69863889, -87.60116667 | 180.000 m | | | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 18.000 m | | | | 0.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 720 E 111TH ST, CHICAGO, IL | | 3127622121 |
License history
| Date | File or call sign | Action |
|---|
| 2004-03-14 | WNNJ527 | LIEXP |
| 2003-10-14 | WNNJ527 | LETRES |
| 2002-04-24 | WNNJ527 | LETAUS |
| 2000-11-24 | WNNJ527 | LICCNV |
| 1999-01-19 | WNNJ527 | LIREN |
| 1999-01-19 | WNNJ527 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1904527 | 2026-08-02 01:17:33 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNNJ527 | ULS 1904527 | 2026-08-02 01:17:33 |
| Status | E | ULS 1904527 | 2026-08-02 01:17:33 |
| Service | IG | ULS 1904527 | 2026-08-02 01:17:33 |
| Grant Date | 1999-01-19 | ULS 1904527 | 2026-08-02 01:17:33 |
| Expiration Date | 2004-01-10 | ULS 1904527 | 2026-08-02 01:17:33 |
| Cancellation Date | 2004-03-14 | ULS 1904527 | 2026-08-02 01:17:33 |