Universal Licensing System
WPOL641
BACKLINK I, LLC
License details
| ULS identifier | 1070102 |
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| Call sign | WPOL641 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 1999-12-27 |
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| Expiration | 2009-12-27 |
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| Cancellation | 2002-06-24 |
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| Frequency range | 21375 - 21675 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | Denver, DENVER, CO |
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| Coordinates | 39.6307500, -104.8970278 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:52 |
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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 |
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| 1 | 1 | FXO | 21375.00000000 | | | | | |
| 1 | 1 | FXO | 21675.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 21375.00000000 | | 10M0F7W |
| 1 | 1 | 21675.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4642 S Ulster St, Denver, DENVER, CO | 39.63075000, -104.89702778 | 1713.000 m | BANT | 69.500 m structure / 72.500 m overall | N |
| 2 | R | | 39.61605556, -104.89850000 | 1735.800 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 | 184.4000 | | |
| 1 | 2 | R | Radio Waves Inc HPLP1.5-23 | | | 37.8000 | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 8065 Leesburg Pike, Vienna, VA | | 7037625441 |
License history
| Date | File or call sign | Action |
|---|
| 2002-06-25 | WPOL641 | LICAN |
| 2002-06-21 | WPOL641 | LIASS |
| 2001-09-07 | WPOL641 | LIASS |
| 2001-09-06 | WPOL641 | LITRAN |
| 2000-06-02 | WPOL641 | LIMOD |
| 2000-05-19 | WPOL641 | LITRAN |
| 1999-12-27 | WPOL641 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1070102 | 2026-08-02 02:47:52 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPOL641 | ULS 1070102 | 2026-08-02 02:47:52 |
| Status | C | ULS 1070102 | 2026-08-02 02:47:52 |
| Service | CF | ULS 1070102 | 2026-08-02 02:47:52 |
| Grant Date | 1999-12-27 | ULS 1070102 | 2026-08-02 02:47:52 |
| Expiration Date | 2009-12-27 | ULS 1070102 | 2026-08-02 02:47:52 |
| Cancellation Date | 2002-06-24 | ULS 1070102 | 2026-08-02 02:47:52 |