Universal Licensing System
WPQZ307
BACKLINK IV, LLC
License details
| ULS identifier | 1933693 |
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| Call sign | WPQZ307 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2000-12-11 |
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| Expiration | 2010-12-11 |
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| Cancellation | 2002-06-26 |
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| Frequency range | 19640 - 21725 MHz (5 frequencies) |
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| Locations | 3 |
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| Representative location | Troy, OAKLAND, MI |
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| Coordinates | 42.5610556, -83.1751667 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:30 |
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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 | 19640.00000000 | | | | | |
| 1 | 2 | FXO | 21375.00000000 | | | | | |
| 1 | 4 | FXO | 21475.00000000 | | | | | |
| 1 | 3 | FXO | 21625.00000000 | | | | | |
| 1 | 5 | FXO | 21725.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 19640.00000000 | | 40M0F7W |
| 1 | 2 | 21375.00000000 | | 28M0D7W |
| 1 | 4 | 21475.00000000 | | 28M0D7W |
| 1 | 3 | 21625.00000000 | | 28M0D7W |
| 1 | 5 | 21725.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2075 W Big Beaver Rd, Troy, OAKLAND, MI | 42.56105556, -83.17516667 | 224.000 m | BPOLE | 31.100 m structure / 32.300 m overall | |
| 2 | R | | 42.56013889, -83.18883333 | 225.900 m | | | |
| 3 | R | | 42.56261111, -83.16505556 | 210.300 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 | | H | 39.0000 | 264.8000 | | |
| 1 | 2 | R | Radio Waves Inc. HP2-18 | | | 39.0000 | | | |
| 1 | 3 | R | RADIO WAVES INC HPD2-23 | | | 40.2000 | | | |
| 2 | 1 | T | RADIO WAVES INC HPD2-23 | | V | 40.2000 | 78.2000 | | |
| 2 | 2 | R | RADIO WAVES INC HP2-23 | | | 40.2000 | | | |
| 2 | 3 | R | RADIO WAVES INC HP2-18 | | | 40.2000 | | | |
| 3 | 1 | T | RADIO WAVES INC HPD2-23 | | H | 40.2000 | 78.2000 | | |
| 3 | 2 | R | RADIO WAVES INC HPD2-23 | | | 40.2000 | | | |
| 4 | 1 | T | RADIO WAVES INC HP2-23 | | V | 40.2000 | 264.8000 | | |
| 5 | 1 | T | RADIO WAVES INC HP2-23 | | H | 40.2000 | 264.8000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2002-06-27 | WPQZ307 | LICAN |
| 2002-06-25 | WPQZ307 | LIASS |
| 2001-09-07 | WPQZ307 | LIASS |
| 2001-09-06 | WPQZ307 | LITRAN |
| 2000-12-11 | WPQZ307 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1933693 | 2026-08-02 02:46:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPQZ307 | ULS 1933693 | 2026-08-02 02:46:30 |
| Status | C | ULS 1933693 | 2026-08-02 02:46:30 |
| Service | CF | ULS 1933693 | 2026-08-02 02:46:30 |
| Grant Date | 2000-12-11 | ULS 1933693 | 2026-08-02 02:46:30 |
| Expiration Date | 2010-12-11 | ULS 1933693 | 2026-08-02 02:46:30 |
| Cancellation Date | 2002-06-26 | ULS 1933693 | 2026-08-02 02:46:30 |