Universal Licensing System
WPRT624
BACKLINK IV, LLC
License details
| ULS identifier | 1940698 |
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| Call sign | WPRT624 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2001-01-24 |
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| Expiration | 2011-01-24 |
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| Cancellation | 2002-06-26 |
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| Frequency range | 17840 - 18080 MHz (4 frequencies) |
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| Locations | 1 |
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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 |
|---|
| 1 | 1 | FXO | 17840.00000000 | | | | | |
| 1 | 4 | FXO | 17840.00000000 | | | | | |
| 1 | 2 | FXO | 17920.00000000 | | | | | |
| 1 | 5 | FXO | 17960.00000000 | | | | | |
| 1 | 3 | FXO | 18080.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17840.00000000 | | 40M0F7W |
| 1 | 4 | 17840.00000000 | | 28M0D7W |
| 1 | 2 | 17920.00000000 | | 40M0F7W |
| 1 | 5 | 17960.00000000 | | 28M0D7W |
| 1 | 3 | 18080.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 850 Stephenson Hwy, Troy, OAKLAND, MI | 42.54280556, -83.11822222 | 213.400 m | BPOLE | 30.800 m structure / 32.000 m overall | N |
| 2 | R | | 42.54525000, -83.10638889 | 195.100 m | | | |
| 3 | R | | 42.56413889, -83.11633333 | 199.000 m | | | |
| 4 | R | | 42.53391667, -83.09652778 | 193.900 m | | | |
| 5 | R | | 42.56105556, -83.17516667 | 224.000 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 | 39.0000 | 74.4000 | | |
| 1 | 2 | R | Radio Waves Inc. HP2-18 | | | 39.0000 | | | |
| 1 | 3 | R | Radio Waves Inc. HP2-18 | | | 39.0000 | | | |
| 1 | 4 | R | Radio Waves Inc. HP2-18 | | | 39.0000 | | | |
| 1 | 5 | R | Radio Waves Inc. HPD4-18 | | | 44.3000 | | | |
| 2 | 1 | T | Radio Waves Inc. HP2-18 | | V | 39.0000 | 3.7000 | | |
| 2 | 5 | R | Radio Waves Inc. HPD4-18 | | | 44.3000 | | | |
| 3 | 1 | T | Radio Waves Inc. HP2-18 | | V | 39.0000 | 119.0000 | | |
| 4 | 1 | T | Radio Waves Inc. HPD4-18 | | V | 44.3000 | 293.5000 | | |
| 5 | 1 | T | Radio Waves Inc. HPD4-18 | | H | 44.3000 | 293.5000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2002-06-27 | WPRT624 | LICAN |
| 2002-06-25 | WPRT624 | LIASS |
| 2002-04-22 | WPRT624 | LETCNS |
| 2001-09-07 | WPRT624 | LIASS |
| 2001-09-06 | WPRT624 | LITRAN |
| 2001-05-03 | WPRT624 | LIMOD |
| 2001-01-24 | WPRT624 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1940698 | 2026-08-02 02:46:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPRT624 | ULS 1940698 | 2026-08-02 02:46:30 |
| Status | C | ULS 1940698 | 2026-08-02 02:46:30 |
| Service | CF | ULS 1940698 | 2026-08-02 02:46:30 |
| Grant Date | 2001-01-24 | ULS 1940698 | 2026-08-02 02:46:30 |
| Expiration Date | 2011-01-24 | ULS 1940698 | 2026-08-02 02:46:30 |
| Cancellation Date | 2002-06-26 | ULS 1940698 | 2026-08-02 02:46:30 |