Universal Licensing System
WPYD556
Aviation Spectrum Resources Inc
License details
| ULS identifier | 2534843 |
|---|
| Call sign | WPYD556 |
|---|
| Radio service | AF |
|---|
| Status | A |
|---|
| Grant date | 2018-06-27 |
|---|
| Expiration | 2028-07-23 |
|---|
| Frequency range | 129.35 - 136.975 MHz (5 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | Chicago, COOK, IL |
|---|
| Coordinates | 41.9739722, -87.8853889 |
|---|
| Source archive | l_coast.zip |
|---|
| Dataset refreshed | 2026-08-02 02:08:34 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FA | 129.35000000 | | | 25.000000 | | HL |
| 1 | 1 | FA | 131.65000000 | | | 25.000000 | | HL |
| 1 | 1 | FA | 131.72500000 | | | 25.000000 | | HL |
| 1 | 1 | FA | 136.80000000 | | | 25.000000 | | HL |
| 1 | 1 | FA | 136.97500000 | | | 25.000000 | | HL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 129.35000000 | | 14K0G1D |
| 1 | 1 | 131.65000000 | | 13K0A2D |
| 1 | 1 | 131.72500000 | | 13K0A2D |
| 1 | 1 | 136.80000000 | | 14K0G1D |
| 1 | 1 | 136.97500000 | | 13K0A2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Chicago O'Hare International Airport, Chicago, COOK, IL | 41.97397222, -87.88538889 | 207.300 m | BANT | 9.400 m structure / 10.900 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 10.900 m | | | 360.0000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 600 Galleria Parkway SE, Suite 1000, Atlanta, GA | COBB | 4042028036 |
License history
| Date | File or call sign | Action |
|---|
| 2025-06-02 | WPYD556 | LIMOD |
| 2023-05-01 | WPYD556 | LIMOD |
| 2021-10-08 | WPYD556 | LIMOD |
| 2021-07-27 | WPYD556 | LIAUA |
| 2018-11-20 | WPYD556 | LIMOD |
| 2018-06-27 | WPYD556 | LIREN |
| 2018-04-30 | WPYD556 | LETRES |
| 2017-08-09 | WPYD556 | LIMOD |
| 2016-11-22 | WPYD556 | LIMOD |
| 2015-02-06 | WPYD556 | LIAUA |
| 2015-02-05 | WPYD556 | ESUAPR |
| 2015-02-05 | WPYD556 | LIAUA |
| 2015-02-04 | WPYD556 | ESUAPR |
| 2008-06-24 | WPYD556 | LIREN |
| 2008-04-28 | WPYD556 | LETRES |
| 2007-03-01 | WPYD556 | AUTHPR |
| 2006-03-07 | WPYD556 | AUTHPR |
| 2006-01-01 | WPYD556 | LIASS |
| 2005-07-25 | WPYD556 | ESCAPR |
| 2003-07-23 | WPYD556 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2534843 | 2026-08-02 02:08:34 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPYD556 | ULS 2534843 | 2026-08-02 02:08:34 |
| Status | A | ULS 2534843 | 2026-08-02 02:08:34 |
| Service | AF | ULS 2534843 | 2026-08-02 02:08:34 |
| Grant Date | 2018-06-27 | ULS 2534843 | 2026-08-02 02:08:34 |
| Expiration Date | 2028-07-23 | ULS 2534843 | 2026-08-02 02:08:34 |