Universal Licensing System
WPOQ820
BACKLINK I, LLC
License details
| ULS identifier | 1048490 |
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| Call sign | WPOQ820 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 1999-08-06 |
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| Expiration | 2009-08-06 |
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| Cancellation | 2002-06-24 |
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| Frequency range | 21275 - 21325 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | BOSTON, MIDDLESEX, MA |
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| Coordinates | 42.4883333, -71.1983333 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:41 |
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Licensee
| Name | BACKLINK I, 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 | 2 | FXO | 21275.00000000 | | | | | |
| 1 | 1 | FXO | 21325.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 21275.00000000 | | 40M0F7W |
| 1 | 1 | 21325.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 25 BURLINGTON MALL RD, BOSTON, MIDDLESEX, MA | 42.48833333, -71.19833333 | 66.100 m | BPOLE | 22.900 m structure / 27.400 m overall | N |
| 2 | R | | 42.49119444, -71.19672222 | 67.100 m | | | |
| 3 | R | | 42.48475000, -71.20033333 | 59.400 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 | | V | 37.8000 | 22.6000 | | |
| 1 | 2 | R | RADIO WAVES INC HPLP1.5-23 | | | 37.8000 | | | |
| 1 | 3 | R | RADIO WAVES INC HPLP1.5-23 | | | 37.8000 | | | |
| 2 | 1 | T | RADIO WAVES INC HPLP.5-23 | | V | 37.8000 | 202.4000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 8065 LEESBURG PIKE, SUITE 400, VIENNA, VA | | 7037625441 |
License history
| Date | File or call sign | Action |
|---|
| 2002-06-25 | WPOQ820 | LICAN |
| 2002-06-21 | WPOQ820 | LIASS |
| 2001-09-07 | WPOQ820 | LIASS |
| 2001-09-06 | WPOQ820 | LITRAN |
| 2000-07-31 | WPOQ820 | LIMOD |
| 2000-06-01 | WPOQ820 | LIMOD |
| 2000-05-19 | WPOQ820 | LITRAN |
| 1999-08-14 | WPOQ820 | LICCNV |
| 1999-08-06 | WPOQ820 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1048490 | 2026-08-02 02:47:41 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPOQ820 | ULS 1048490 | 2026-08-02 02:47:41 |
| Status | C | ULS 1048490 | 2026-08-02 02:47:41 |
| Service | CF | ULS 1048490 | 2026-08-02 02:47:41 |
| Grant Date | 1999-08-06 | ULS 1048490 | 2026-08-02 02:47:41 |
| Expiration Date | 2009-08-06 | ULS 1048490 | 2026-08-02 02:47:41 |
| Cancellation Date | 2002-06-24 | ULS 1048490 | 2026-08-02 02:47:41 |