Universal Licensing System
WPRS451
BACKLINK IV, LLC
License details
| ULS identifier | 1938770 |
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| Call sign | WPRS451 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2001-01-11 |
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| Expiration | 2011-01-11 |
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| Cancellation | 2002-06-26 |
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| Frequency range | 21425 MHz |
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| Locations | 2 |
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| Representative location | BEVERLY, ESSEX, MA |
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| Coordinates | 42.5613611, -70.8875000 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:28 |
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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 |
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| 1 | 1 | FXO | 21425.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 21425.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 800 CUMMINGS CTR., BEVERLY, ESSEX, MA | 42.56136111, -70.88750000 | 13.700 m | BPOLE | 11.900 m structure / 14.300 m overall | |
| 2 | R | | 42.55980556, -70.88611111 | 11.300 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RADIO WAVES INC. HPLP1.5-23 | | H | 37.8000 | 146.6000 | | |
| 1 | 2 | R | RADIO WAVES INC. HPLP1.5-23 | | | 37.8000 | | | |
Control points
| Number | Address | County | Phone |
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| 1 | KHALED RASHED, MICROWAVE ENGINEER 8065 LEESBURG PIKE SUITE 400, VIENNA, VA | FAIRFAX | 7037625441 |
License history
| Date | File or call sign | Action |
|---|
| 2002-06-27 | WPRS451 | LICAN |
| 2002-06-25 | WPRS451 | LIASS |
| 2002-04-11 | WPRS451 | LETCNS |
| 2001-09-07 | WPRS451 | LIASS |
| 2001-09-06 | WPRS451 | LITRAN |
| 2001-01-11 | WPRS451 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1938770 | 2026-08-02 02:46:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPRS451 | ULS 1938770 | 2026-08-02 02:46:28 |
| Status | C | ULS 1938770 | 2026-08-02 02:46:28 |
| Service | CF | ULS 1938770 | 2026-08-02 02:46:28 |
| Grant Date | 2001-01-11 | ULS 1938770 | 2026-08-02 02:46:28 |
| Expiration Date | 2011-01-11 | ULS 1938770 | 2026-08-02 02:46:28 |
| Cancellation Date | 2002-06-26 | ULS 1938770 | 2026-08-02 02:46:28 |