Universal Licensing System
WPQX742
BACKLINK IV, LLC
License details
| ULS identifier | 1306225 |
|---|
| Call sign | WPQX742 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 2000-11-14 |
|---|
| Expiration | 2010-11-14 |
|---|
| Cancellation | 2002-06-26 |
|---|
| Frequency range | 17880 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | Oak Park, OAKLAND, MI |
|---|
| Coordinates | 42.4528333, -83.1994444 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:46:30 |
|---|
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 | 17880.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17880.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 21700 Greenfield Rd, Oak Park, OAKLAND, MI | 42.45283333, -83.19944444 | 206.000 m | BPOLE | 24.400 m structure / 24.400 m overall | |
| 2 | R | | 42.45805556, -83.21491667 | 200.900 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 | | H | 39.0000 | 294.5000 | | |
| 1 | 2 | R | Radio Waves Inc. HP2-18 | | | 39.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2002-06-27 | WPQX742 | LICAN |
| 2002-06-25 | WPQX742 | LIASS |
| 2001-09-07 | WPQX742 | LIASS |
| 2001-09-06 | WPQX742 | LITRAN |
| 2000-11-14 | WPQX742 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1306225 | 2026-08-02 02:46:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPQX742 | ULS 1306225 | 2026-08-02 02:46:30 |
| Status | C | ULS 1306225 | 2026-08-02 02:46:30 |
| Service | CF | ULS 1306225 | 2026-08-02 02:46:30 |
| Grant Date | 2000-11-14 | ULS 1306225 | 2026-08-02 02:46:30 |
| Expiration Date | 2010-11-14 | ULS 1306225 | 2026-08-02 02:46:30 |
| Cancellation Date | 2002-06-26 | ULS 1306225 | 2026-08-02 02:46:30 |