Universal Licensing System
WPOT471
BACKLINK I, LLC
License details
| ULS identifier | 1050380 |
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| Call sign | WPOT471 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 1999-07-20 |
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| Expiration | 2009-07-20 |
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| Cancellation | 2002-06-24 |
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| Frequency range | 21275 - 21725 MHz (4 frequencies) |
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| Locations | 3 |
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| Representative location | WASHINGTON, DC |
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| Coordinates | 38.9047222, -77.0331667 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:55 |
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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 | 4 | FXO | 21275.00000000 | | | | | |
| 1 | 3 | FXO | 21525.00000000 | | | | | |
| 1 | 2 | FXO | 21675.00000000 | | | | | |
| 1 | 1 | FXO | 21725.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 4 | 21275.00000000 | | 28M0D7W |
| 1 | 3 | 21525.00000000 | | 28M0D7W |
| 1 | 2 | 21675.00000000 | | 28M0D7W |
| 1 | 1 | 21725.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1120 VERMONT AVE., WASHINGTON, DC | 38.90472222, -77.03316667 | 23.500 m | BPOLE | 44.800 m structure / 49.700 m overall | N |
| 2 | R | | 38.91833333, -77.06930556 | 75.900 m | | | |
| 3 | R | | 38.90075000, -77.03425000 | 19.800 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Gabriel Electronic HE1.5-220B | | V | 38.0000 | 295.7000 | | |
| 1 | 2 | R | Gabriel Electronic HE1.5-220B | | | 38.0000 | | | |
| 1 | 3 | R | Radio Waves Inc. HP2-23 | | | 40.0000 | | | |
| 2 | 1 | T | Radio Waves Inc. HPD2-23 | | V | 40.0000 | 192.0000 | | |
| 2 | 2 | R | RADIO WAVES INC HP2-23 | | | 40.4000 | | | |
| 2 | 3 | R | Radio Waves Inc. HPD2-23 | | | 40.0000 | | | |
| 3 | 1 | T | RADIO WAVES INC HP2-23 | | V | 40.4000 | 295.7000 | | |
| 4 | 1 | T | Radio Waves Inc. HPD2-23 | | H | 40.0000 | 192.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2002-06-25 | WPOT471 | LICAN |
| 2002-06-21 | WPOT471 | LIASS |
| 2002-05-13 | WPOT471 | LETCNS |
| 2001-09-07 | WPOT471 | LIASS |
| 2001-09-06 | WPOT471 | LITRAN |
| 2001-06-04 | WPOT471 | LIMOD |
| 2001-02-12 | WPOT471 | LIMOD |
| 2000-05-19 | WPOT471 | LITRAN |
| 1999-12-27 | WPOT471 | AUTHPR |
| 1999-12-23 | WPOT471 | COR |
| 1999-12-21 | WPOT471 | LIMOD |
| 1999-08-14 | WPOT471 | LICCNV |
| 1999-07-27 | WPOT471 | COR |
| 1999-07-20 | WPOT471 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1050380 | 2026-08-02 02:47:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPOT471 | ULS 1050380 | 2026-08-02 02:47:55 |
| Status | C | ULS 1050380 | 2026-08-02 02:47:55 |
| Service | CF | ULS 1050380 | 2026-08-02 02:47:55 |
| Grant Date | 1999-07-20 | ULS 1050380 | 2026-08-02 02:47:55 |
| Expiration Date | 2009-07-20 | ULS 1050380 | 2026-08-02 02:47:55 |
| Cancellation Date | 2002-06-24 | ULS 1050380 | 2026-08-02 02:47:55 |