Universal Licensing System
WPQX978
BACKLINK IV, LLC
License details
| ULS identifier | 1578647 |
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| Call sign | WPQX978 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2000-11-20 |
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| Expiration | 2010-11-20 |
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| Cancellation | 2002-06-26 |
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| Frequency range | 19520 - 19680 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | Seattle, KING, WA |
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| Coordinates | 47.5988889, -122.3345278 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:26 |
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Licensee
| Name | BACKLINK IV, LLC |
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| Applicant type | L |
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| Location | Herndon, VA |
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| Address | 460 Herndon Parkway, Suite 100, Herndon, VA, 20170 |
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| Phone | 7033264650 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 19520.00000000 | | | | | |
| 1 | 2 | FXO | 19680.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 19520.00000000 | | 40M0F7W |
| 1 | 2 | 19680.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 411 1st Ave S, Seattle, KING, WA | 47.59888889, -122.33452778 | 35.100 m | BPOLE | 36.900 m structure / 38.400 m overall | |
| 2 | R | | 47.58816667, -122.31572222 | 94.800 m | | | |
| 3 | R | | 47.59947222, -122.33377778 | 6.100 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 | | H | 39.0000 | 130.1000 | | |
| 1 | 2 | R | Radio Waves Inc. HP2-18 | | | 39.0000 | | | |
| 1 | 3 | R | Radio Waves Inc. HP2-18 | | | 39.0000 | | | |
| 2 | 1 | T | Radio Waves Inc. HP2-18 | | H | 39.0000 | 41.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2002-06-27 | WPQX978 | LICAN |
| 2002-06-25 | WPQX978 | LIASS |
| 2002-04-29 | WPQX978 | LETCNS |
| 2001-09-07 | WPQX978 | LIASS |
| 2001-09-06 | WPQX978 | LITRAN |
| 2001-01-30 | WPQX978 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1578647 | 2026-08-02 02:46:26 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPQX978 | ULS 1578647 | 2026-08-02 02:46:26 |
| Status | C | ULS 1578647 | 2026-08-02 02:46:26 |
| Service | CF | ULS 1578647 | 2026-08-02 02:46:26 |
| Grant Date | 2000-11-20 | ULS 1578647 | 2026-08-02 02:46:26 |
| Expiration Date | 2010-11-20 | ULS 1578647 | 2026-08-02 02:46:26 |
| Cancellation Date | 2002-06-26 | ULS 1578647 | 2026-08-02 02:46:26 |