Universal Licensing System
WPQQ420
BACKLINK II, LLC
License details
| ULS identifier | 1096236 |
|---|
| Call sign | WPQQ420 |
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| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 2000-08-11 |
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| Expiration | 2010-08-11 |
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| Cancellation | 2002-06-26 |
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| Frequency range | 17800 - 18120 MHz (9 frequencies) |
|---|
| Locations | 1 |
|---|
| Coordinates | 37.7081111, -122.1817222 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:15 |
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Licensee
| Name | BACKLINK II, LLC |
|---|
| 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 | 2 | FXO | 17800.00000000 | | | | | |
| 1 | 5 | FXO | 17840.00000000 | | | | | |
| 1 | 7 | FXO | 17880.00000000 | | | | | |
| 1 | 10 | FXO | 17880.00000000 | | | | | |
| 1 | 6 | FXO | 17920.00000000 | | | | | |
| 1 | 9 | FXO | 17960.00000000 | | | | | |
| 1 | 4 | FXO | 18000.00000000 | | | | | |
| 1 | 3 | FXO | 18040.00000000 | | | | | |
| 1 | 1 | FXO | 18080.00000000 | | | | | |
| 1 | 8 | FXO | 18120.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 17800.00000000 | | 40M0F7W |
| 1 | 5 | 17840.00000000 | | 40M0F7W |
| 1 | 7 | 17880.00000000 | | 40M0F7W |
| 1 | 10 | 17880.00000000 | | 28M0D7W |
| 1 | 6 | 17920.00000000 | | 40M0F7W |
| 1 | 9 | 17960.00000000 | | 40M0F7W |
| 1 | 4 | 18000.00000000 | | 40M0F7W |
| 1 | 3 | 18040.00000000 | | 40M0F7W |
| 1 | 1 | 18080.00000000 | | 40M0F7W |
| 1 | 8 | 18120.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 333 Hengenberger Road, Oakland, ALAMEDA, CA | 37.73555556, -122.19836111 | 1.800 m | BPOLE | 36.000 m structure / 37.800 m overall | N |
| 2 | R | | 37.73505556, -122.19816667 | 1.800 m | | | |
| 3 | R | | 37.70811111, -122.18172222 | 5.800 m | | | |
| 4 | R | | 37.72694444, -122.15177778 | 18.900 m | | | |
| 5 | R | | 37.74844444, -122.19713889 | 1.800 m | | | |
| 6 | R | | 37.74333333, -122.20336111 | 1.800 m | | | |
| 7 | R | | 37.74230556, -122.20011111 | 1.800 m | | | |
| 8 | R | | 37.73194444, -122.20563889 | 1.800 m | | | |
| 9 | R | | 37.73919444, -122.20155556 | 1.800 m | | | |
| 10 | R | | 37.70838889, -122.18002778 | 6.700 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 | 38.6000 | 162.8000 | | |
| 1 | 2 | R | Radio Waves Inc. HP2-18 | | | 38.6000 | | | |
| 1 | 3 | R | Radio Waves Inc. HP2-18 | | | 38.6000 | | | |
| 1 | 4 | R | Radio Waves Inc. HP2-18 | | | 38.6000 | | | |
| 1 | 5 | R | Radio Waves Inc. HP2-18 | | | 38.6000 | | | |
| 1 | 6 | R | Radio Waves Inc. HP2-18 | | | 38.6000 | | | |
| 1 | 7 | R | Radio Waves Inc. HP2-18 | | | 38.6000 | | | |
| 1 | 8 | R | Radio Waves Inc. HP2-18 | | | 38.6000 | | | |
| 1 | 9 | R | Radio Waves Inc. HP2-18 | | | 38.6000 | | | |
| 1 | 10 | R | Radio Waves Inc. HP2-18 | | | 38.6000 | | | |
| 2 | 1 | T | Radio Waves Inc. HP2-18 | | V | 38.6000 | 154.3000 | | |
| 2 | 5 | R | Radio Waves Inc. HP2-18 | | | 38.6000 | | | |
| 3 | 1 | T | Radio Waves Inc. HP2-18 | | V | 38.6000 | 103.1000 | | |
| 4 | 1 | T | Radio Waves Inc. HP2-18 | | V | 38.6000 | 4.3000 | | |
| 5 | 1 | T | Radio Waves Inc. HP2-18 | | V | 38.6000 | 333.0000 | | |
| 6 | 1 | T | Radio Waves Inc. HP2-18 | | V | 38.6000 | 348.4000 | | |
| 7 | 1 | T | Radio Waves Inc. HP2-18 | | H | 38.6000 | 238.0000 | | |
| 8 | 1 | T | Radio Waves Inc. HP2-18 | | V | 38.6000 | 325.1000 | | |
| 9 | 1 | T | Radio Waves Inc. HP2-18 | | V | 38.6000 | 151.8000 | | |
| 10 | 1 | T | Radio Waves Inc. HP2-18 | | V | 38.6000 | 4.3000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2002-06-27 | WPQQ420 | LICAN |
| 2002-06-25 | WPQQ420 | LIASS |
| 2002-06-03 | WPQQ420 | LETCNS |
| 2001-09-07 | WPQQ420 | LIASS |
| 2001-09-06 | WPQQ420 | LITRAN |
| 2001-03-05 | WPQQ420 | LIMOD |
| 2000-08-11 | WPQQ420 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1096236 | 2026-08-02 02:48:15 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPQQ420 | ULS 1096236 | 2026-08-02 02:48:15 |
| Status | C | ULS 1096236 | 2026-08-02 02:48:15 |
| Service | CF | ULS 1096236 | 2026-08-02 02:48:15 |
| Grant Date | 2000-08-11 | ULS 1096236 | 2026-08-02 02:48:15 |
| Expiration Date | 2010-08-11 | ULS 1096236 | 2026-08-02 02:48:15 |
| Cancellation Date | 2002-06-26 | ULS 1096236 | 2026-08-02 02:48:15 |