Universal Licensing System
WPQY261
BACKLINK IV, LLC
License details
| ULS identifier | 1578818 |
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| Call sign | WPQY261 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2000-11-21 |
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| Expiration | 2010-11-21 |
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| Cancellation | 2002-06-26 |
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| Frequency range | 17920 - 18080 MHz (3 frequencies) |
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| Locations | 1 |
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| Coordinates | 40.0963056, -75.3644722 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:22 |
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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 | 3 | FXO | 17920.00000000 | | | | | |
| 1 | 2 | FXO | 18000.00000000 | | | | | |
| 1 | 1 | FXO | 18080.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 17920.00000000 | | 40M0F7W |
| 1 | 2 | 18000.00000000 | | 28M0D7W |
| 1 | 1 | 18080.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 251 W Dekalb Pike, King of Prussia, MONTGOMERY, PA | 40.09002778, -75.36691667 | 57.900 m | BPOLE | 68.000 m structure / 72.500 m overall | N |
| 2 | R | | 40.08988889, -75.38080556 | 43.000 m | | | |
| 3 | R | | 40.11580556, -75.34405556 | 29.900 m | | | |
| 4 | R | | 40.09630556, -75.36447222 | 54.900 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 | 38.6000 | 269.3000 | | |
| 1 | 2 | R | Radio Waves Inc. HP2-18 | | | 38.6000 | | | |
| 1 | 3 | R | Radio Waves Inc. HP2-18 | | | 39.0000 | | | |
| 1 | 4 | R | Radio Waves Inc. HP2-18 | | | 38.6000 | | | |
| 2 | 1 | T | Radio Waves Inc. HP2-18 | | V | 39.0000 | 34.2000 | | |
| 3 | 1 | T | Radio Waves Inc. HP2-18 | | V | 38.6000 | 16.6000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2002-06-27 | WPQY261 | LICAN |
| 2002-06-25 | WPQY261 | LETCNS |
| 2002-06-25 | WPQY261 | LIASS |
| 2001-09-07 | WPQY261 | LIASS |
| 2001-09-06 | WPQY261 | LITRAN |
| 2001-03-23 | WPQY261 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1578818 | 2026-08-02 02:46:22 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPQY261 | ULS 1578818 | 2026-08-02 02:46:22 |
| Status | C | ULS 1578818 | 2026-08-02 02:46:22 |
| Service | CF | ULS 1578818 | 2026-08-02 02:46:22 |
| Grant Date | 2000-11-21 | ULS 1578818 | 2026-08-02 02:46:22 |
| Expiration Date | 2010-11-21 | ULS 1578818 | 2026-08-02 02:46:22 |
| Cancellation Date | 2002-06-26 | ULS 1578818 | 2026-08-02 02:46:22 |