Universal Licensing System
WPQY431
BACKLINK IV, LLC
License details
| ULS identifier | 1932028 |
|---|
| Call sign | WPQY431 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 2000-11-29 |
|---|
| Expiration | 2010-11-29 |
|---|
| Cancellation | 2002-06-26 |
|---|
| Frequency range | 18080 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | Northbrook, COOK, IL |
|---|
| Coordinates | 42.1518333, -87.8048056 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:46:24 |
|---|
Licensee
| Name | BACKLINK IV, LLC |
|---|
| Applicant type | L |
|---|
| Location | Herndon, VA |
|---|
| Address | 460 Herndon Parkway, Suite 100, Herndon, VA, 20170 |
|---|
| Phone | 7033264650 |
|---|
| Email | [email protected] |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 18080.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 18080.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 5 Revere Dr., Northbrook, COOK, IL | 42.15183333, -87.80480556 | 198.100 m | BPOLE | 24.700 m structure / 27.700 m overall | |
| 2 | R | | 42.14386111, -87.79661111 | 195.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Radio Waves Inc. HP2-18 | | V | 39.0000 | 142.6000 | | |
| 1 | 2 | R | Radio Waves Inc. HP2-18 | | | 39.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2002-06-27 | WPQY431 | LICAN |
| 2002-06-25 | WPQY431 | LIASS |
| 2001-09-07 | WPQY431 | LIASS |
| 2001-09-06 | WPQY431 | LITRAN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1932028 | 2026-08-02 02:46:24 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPQY431 | ULS 1932028 | 2026-08-02 02:46:24 |
| Status | C | ULS 1932028 | 2026-08-02 02:46:24 |
| Service | CF | ULS 1932028 | 2026-08-02 02:46:24 |
| Grant Date | 2000-11-29 | ULS 1932028 | 2026-08-02 02:46:24 |
| Expiration Date | 2010-11-29 | ULS 1932028 | 2026-08-02 02:46:24 |
| Cancellation Date | 2002-06-26 | ULS 1932028 | 2026-08-02 02:46:24 |