Universal Licensing System
WPRS539
BACKLINK IV, LLC
License details
| ULS identifier | 1938886 |
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| Call sign | WPRS539 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2001-01-12 |
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| Expiration | 2011-01-12 |
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| Cancellation | 2002-06-26 |
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| Frequency range | 17800 - 18040 MHz (6 frequencies) |
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| Locations | 2 |
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| Coordinates | 41.7851111, -72.7484167 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:27 |
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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 | 5 | FXO | 17800.00000000 | | | | | |
| 1 | 1 | FXO | 17840.00000000 | | | | | |
| 1 | 6 | FXO | 17880.00000000 | | | | | |
| 1 | 2 | FXO | 17920.00000000 | | | | | |
| 1 | 4 | FXO | 17960.00000000 | | | | | |
| 1 | 3 | FXO | 18040.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 5 | 17800.00000000 | | 28M0D7W |
| 1 | 1 | 17840.00000000 | | 40M0F7W |
| 1 | 6 | 17880.00000000 | | 28M0D7W |
| 1 | 2 | 17920.00000000 | | 40M0F7W |
| 1 | 4 | 17960.00000000 | | 40M0F7W |
| 1 | 3 | 18040.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1 Cityplace, Hartford, HARTFORD, CT | 41.76661111, -72.67669444 | 14.900 m | BPOLE | 179.800 m structure / 182.900 m overall | |
| 2 | R | | 41.75461111, -72.70344444 | 16.800 m | | | |
| 3 | R | | 41.75825000, -72.67577778 | 23.500 m | | | |
| 4 | R | | 41.76152778, -72.67641667 | 12.800 m | | | |
| 5 | R | | 41.78511111, -72.74841667 | 57.300 m | | | |
| 6 | R | | 41.75977778, -72.66886111 | 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 | 38.6000 | 239.1000 | | |
| 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. HP3-18 | | | 42.0000 | | | |
| 1 | 6 | R | Radio Waves Inc. HPD2-18 | | | 38.4000 | | | |
| 2 | 1 | T | Radio Waves Inc. HP2-18 | | V | 38.6000 | 175.3000 | | |
| 2 | 6 | R | Radio Waves Inc. HPD2-18 | | | 38.4000 | | | |
| 3 | 1 | T | Radio Waves Inc. HP2-18 | | V | 38.6000 | 177.7000 | | |
| 4 | 1 | T | Radio Waves Inc. HP3-18 | | V | 42.0000 | 289.0000 | | |
| 5 | 1 | T | Radio Waves Inc. HPD2-18 | | V | 38.4000 | 139.4000 | | |
| 6 | 1 | T | Radio Waves Inc. HPD2-18 | | H | 38.4000 | 139.4000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2002-06-27 | WPRS539 | LICAN |
| 2002-06-25 | WPRS539 | LIASS |
| 2002-04-16 | WPRS539 | LETCNS |
| 2001-09-07 | WPRS539 | LIASS |
| 2001-09-06 | WPRS539 | LITRAN |
| 2001-07-02 | WPRS539 | LIMOD |
| 2001-01-12 | WPRS539 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1938886 | 2026-08-02 02:46:27 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPRS539 | ULS 1938886 | 2026-08-02 02:46:27 |
| Status | C | ULS 1938886 | 2026-08-02 02:46:27 |
| Service | CF | ULS 1938886 | 2026-08-02 02:46:27 |
| Grant Date | 2001-01-12 | ULS 1938886 | 2026-08-02 02:46:27 |
| Expiration Date | 2011-01-12 | ULS 1938886 | 2026-08-02 02:46:27 |
| Cancellation Date | 2002-06-26 | ULS 1938886 | 2026-08-02 02:46:27 |