Universal Licensing System
WPQZ742
BACKLINK IV, LLC
License details
| ULS identifier | 1935122 |
|---|
| Call sign | WPQZ742 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 2000-12-20 |
|---|
| Expiration | 2010-12-20 |
|---|
| Cancellation | 2002-06-26 |
|---|
| Frequency range | 17840 - 18120 MHz (5 frequencies) |
|---|
| Locations | 7 |
|---|
| Representative location | SEATTLE, KING, WA |
|---|
| Coordinates | 47.5881667, -122.3157222 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:46:21 |
|---|
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 | 3 | FXO | 17840.00000000 | | | | | |
| 1 | 6 | FXO | 17880.00000000 | | | | | |
| 1 | 5 | FXO | 17960.00000000 | | | | | |
| 1 | 1 | FXO | 18000.00000000 | | | | | |
| 1 | 4 | FXO | 18000.00000000 | | | | | |
| 1 | 2 | FXO | 18120.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 17840.00000000 | | 40M0F7W |
| 1 | 6 | 17880.00000000 | | 40M0F7W |
| 1 | 5 | 17960.00000000 | | 40M0F7W |
| 1 | 1 | 18000.00000000 | | 40M0F7W |
| 1 | 4 | 18000.00000000 | | 40M0F7W |
| 1 | 2 | 18120.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1311 S MASSACHUSETTS ST, SEATTLE, KING, WA | 47.58816667, -122.31572222 | 94.800 m | BPOLE | 40.500 m structure / 45.400 m overall | |
| 2 | R | | 47.60063889, -122.33472222 | 6.100 m | | | |
| 3 | R | | 47.60147222, -122.33391667 | 10.700 m | | | |
| 4 | R | | 47.58088889, -122.33538889 | 3.700 m | | | |
| 5 | R | | 47.59977778, -122.33377778 | 7.300 m | | | |
| 6 | R | | 47.59888889, -122.33452778 | 35.100 m | | | |
| 7 | R | | 47.60244444, -122.33377778 | 7.900 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 | | V | 39.0000 | 241.3000 | | |
| 1 | 2 | R | RADIO WAVES INC HP2-18 | | | 39.0000 | | | |
| 1 | 3 | R | RADIO WAVES INC HP2-18 | | | 39.0000 | | | |
| 1 | 4 | R | RADIO WAVES INC HP2-18 | | | 39.0000 | | | |
| 1 | 5 | R | Radio Waves Inc. HP2-18 | | | 39.0000 | | | |
| 1 | 6 | R | Radio Waves Inc. HP2-18 | | | 39.0000 | | | |
| 1 | 7 | R | Radio Waves Inc. HP2-18 | | | 39.0000 | | | |
| 2 | 1 | T | RADIO WAVES INC HP2-18 | | V | 39.0000 | 314.1000 | | |
| 3 | 1 | T | RADIO WAVES INC HP2-18 | | V | 39.0000 | 317.2000 | | |
| 4 | 1 | T | Radio Waves Inc. HP2-18 | | H | 39.0000 | 313.6000 | | |
| 5 | 1 | T | Radio Waves Inc. HP2-18 | | H | 39.0000 | 310.1000 | | |
| 6 | 1 | T | Radio Waves Inc. HP2-18 | | H | 39.0000 | 319.5000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2002-06-27 | WPQZ742 | LICAN |
| 2002-06-25 | WPQZ742 | LIASS |
| 2001-09-07 | WPQZ742 | LIASS |
| 2001-09-06 | WPQZ742 | LITRAN |
| 2000-12-20 | WPQZ742 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1935122 | 2026-08-02 02:46:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPQZ742 | ULS 1935122 | 2026-08-02 02:46:21 |
| Status | C | ULS 1935122 | 2026-08-02 02:46:21 |
| Service | CF | ULS 1935122 | 2026-08-02 02:46:21 |
| Grant Date | 2000-12-20 | ULS 1935122 | 2026-08-02 02:46:21 |
| Expiration Date | 2010-12-20 | ULS 1935122 | 2026-08-02 02:46:21 |
| Cancellation Date | 2002-06-26 | ULS 1935122 | 2026-08-02 02:46:21 |