Universal Licensing System
WQGU431
FIELD MUSEUM OF NATURAL HISTORY
License details
| ULS identifier | 2902749 |
|---|
| Call sign | WQGU431 |
|---|
| Radio service | YG |
|---|
| Status | A |
|---|
| Grant date | 2017-04-19 |
|---|
| Expiration | 2027-04-18 |
|---|
| Frequency range | 451.3125 - 457.7625 MHz (11 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | IL |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:21:43 |
|---|
Licensee
| Name | FIELD MUSEUM OF NATURAL HISTORY |
|---|
| Applicant type | C |
|---|
| FRN | 0026087205 |
|---|
| Location | CHICAGO, IL |
|---|
| Address | 1400 S. LAKE SHORE DR., CHICAGO, IL, 60605 |
|---|
| Phone | 3129229410 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.31250000 | | | 50.000000 | 4.000000 | |
| 2 | 1 | MO | 451.31250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 451.45000000 | | | 50.000000 | 4.000000 | |
| 2 | 1 | MO | 451.45000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 451.63750000 | | | 50.000000 | 4.000000 | |
| 2 | 1 | MO | 451.63750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 452.26250000 | | | 50.000000 | 4.000000 | |
| 2 | 1 | MO | 452.26250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 452.50000000 | | | 50.000000 | 4.000000 | |
| 2 | 1 | MO | 452.50000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 452.76250000 | | | 50.000000 | 4.000000 | |
| 2 | 1 | MO | 452.76250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.31250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FX1 | 456.31250000 | | | 25.000000 | 6.000000 | |
| 2 | 1 | MO | 456.45000000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FX1 | 456.45000000 | | | 25.000000 | 6.000000 | |
| 2 | 1 | MO | 456.63750000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FX1 | 456.63750000 | | | 25.000000 | 6.000000 | |
| 2 | 1 | MO | 457.26250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FX1 | 457.26250000 | | | 25.000000 | 6.000000 | |
| 2 | 1 | MO | 457.50000000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FX1 | 457.50000000 | | | 25.000000 | 6.000000 | |
| 2 | 1 | MO | 457.76250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FX1 | 457.76250000 | | | 25.000000 | 6.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.31250000 | | 11K2F2D |
| 1 | 1 | 451.31250000 | | 11K2F3E |
| 1 | 1 | 451.31250000 | | 7K60F1W |
| 2 | 1 | 451.31250000 | | 7K60F1W |
| 2 | 1 | 451.31250000 | | 11K2F3E |
| 1 | 1 | 451.45000000 | | 11K2F3E |
| 1 | 1 | 451.45000000 | | 11K2F2D |
| 1 | 1 | 451.45000000 | | 7K60F1W |
| 2 | 1 | 451.45000000 | | 11K2F3E |
| 2 | 1 | 451.45000000 | | 7K60F1W |
| 1 | 1 | 451.63750000 | | 11K2F3E |
| 1 | 1 | 451.63750000 | | 7K60F1W |
| 1 | 1 | 451.63750000 | | 11K2F2D |
| 2 | 1 | 451.63750000 | | 11K2F3E |
| 2 | 1 | 451.63750000 | | 7K60F1W |
| 1 | 1 | 452.26250000 | | 7K60F1W |
| 1 | 1 | 452.26250000 | | 11K2F3E |
| 1 | 1 | 452.26250000 | | 11K2F2D |
| 2 | 1 | 452.26250000 | | 11K2F3E |
| 2 | 1 | 452.26250000 | | 7K60F1W |
| 1 | 1 | 452.50000000 | | 11K2F2D |
| 1 | 1 | 452.50000000 | | 11K2F3E |
| 1 | 1 | 452.50000000 | | 7K60F1W |
| 2 | 1 | 452.50000000 | | 7K60F1W |
| 2 | 1 | 452.50000000 | | 11K2F3E |
| 1 | 1 | 452.76250000 | | 7K60F1W |
| 1 | 1 | 452.76250000 | | 11K2F3E |
| 1 | 1 | 452.76250000 | | 11K2F2D |
| 2 | 1 | 452.76250000 | | 11K2F3E |
| 2 | 1 | 452.76250000 | | 7K60F1W |
| 2 | 1 | 456.31250000 | | 7K60F1W |
| 2 | 1 | 456.31250000 | | 11K2F3E |
| 3 | 1 | 456.31250000 | | 11K2F3E |
| 3 | 1 | 456.31250000 | | 7K60F1W |
| 2 | 1 | 456.45000000 | | 7K60F1W |
| 2 | 1 | 456.45000000 | | 11K2F3E |
| 3 | 1 | 456.45000000 | | 11K2F3E |
| 3 | 1 | 456.45000000 | | 7K60F1W |
| 2 | 1 | 456.63750000 | | 11K2F3E |
| 2 | 1 | 456.63750000 | | 7K60F1W |
| 3 | 1 | 456.63750000 | | 7K60F1W |
| 3 | 1 | 456.63750000 | | 11K2F3E |
| 2 | 1 | 457.26250000 | | 11K2F3E |
| 2 | 1 | 457.26250000 | | 7K60F1W |
| 3 | 1 | 457.26250000 | | 7K60F1W |
| 3 | 1 | 457.26250000 | | 11K2F3E |
| 2 | 1 | 457.50000000 | | 7K60F1W |
| 2 | 1 | 457.50000000 | | 11K2F3E |
| 3 | 1 | 457.50000000 | | 7K60F1W |
| 3 | 1 | 457.50000000 | | 11K2F3E |
| 2 | 1 | 457.76250000 | | 11K2F3E |
| 2 | 1 | 457.76250000 | | 7K60F1W |
| 3 | 1 | 457.76250000 | | 11K2F3E |
| 3 | 1 | 457.76250000 | | 7K60F1W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1400 S. LAKE SHORE DR., CHICAGO, COOK, IL | 41.90780556, -87.63283333 | 182.000 m | B | 30.000 m structure / 30.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | IL | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 10.000 m | | | | 12.400 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1400 S. LAKE SHORE DR., CHICAGO, IL | COOK | 3129229410 |
License history
| Date | File or call sign | Action |
|---|
| 2017-08-03 | WQGU431 | AUTHPR |
| 2017-08-02 | WQGU431 | RCDUP |
| 2017-04-19 | WQGU431 | LIREN |
| 2017-03-06 | WQGU431 | LIMOD |
| 2017-01-23 | WQGU431 | LETRES |
| 2007-04-18 | WQGU431 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2902749 | 2026-08-02 01:21:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQGU431 | ULS 2902749 | 2026-08-02 01:21:43 |
| Status | A | ULS 2902749 | 2026-08-02 01:21:43 |
| Service | YG | ULS 2902749 | 2026-08-02 01:21:43 |
| Grant Date | 2017-04-19 | ULS 2902749 | 2026-08-02 01:21:43 |
| Expiration Date | 2027-04-18 | ULS 2902749 | 2026-08-02 01:21:43 |