Universal Licensing System
WPRS209
BACKLINK IV, LLC
License details
| ULS identifier | 1938322 |
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| Call sign | WPRS209 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2001-01-09 |
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| Expiration | 2011-01-09 |
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| Cancellation | 2002-06-26 |
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| Frequency range | 17760 - 18080 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | Emeryville, ALAMEDA, CA |
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| Coordinates | 37.8305278, -122.2839167 |
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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 | 3 | FXO | 17760.00000000 | | | | | |
| 1 | 1 | FXO | 17800.00000000 | | | | | |
| 1 | 2 | FXO | 17840.00000000 | | | | | |
| 1 | 5 | FXO | 17920.00000000 | | | | | |
| 1 | 4 | FXO | 18080.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 17760.00000000 | | 40M0F7W |
| 1 | 1 | 17800.00000000 | | 40M0F7W |
| 1 | 2 | 17840.00000000 | | 40M0F7W |
| 1 | 5 | 17920.00000000 | | 40M0F7W |
| 1 | 4 | 18080.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4053 Harlan St., Emeryville, ALAMEDA, CA | 37.83052778, -122.28391667 | 6.400 m | BPOLE | 18.900 m structure / 21.900 m overall | N |
| 2 | R | | 37.83841667, -122.29975000 | 4.900 m | | | |
| 3 | R | | 37.83866667, -122.30152778 | 4.000 m | | | |
| 4 | R | | 37.83813889, -122.30080556 | 3.000 m | | | |
| 5 | R | | 37.81027778, -122.26602778 | 4.000 m | | | |
| 6 | R | | 37.84322222, -122.29072222 | 3.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Radio Waves Inc. HPLP1.7-18 | | H | 37.5000 | 302.1000 | | |
| 1 | 2 | R | Radio Waves Inc. HPLP1.7-18 | | | 37.5000 | | | |
| 1 | 3 | R | Radio Waves Inc. HP2-18 | | | 37.5000 | | | |
| 1 | 4 | R | Radio Waves Inc. HPLP1.7-18 | | | 37.5000 | | | |
| 1 | 5 | R | Radio Waves Inc. HP2-18 | | | 38.6000 | | | |
| 1 | 6 | R | Radio Waves Inc. HP2-18 | | | 38.6000 | | | |
| 2 | 1 | T | Radio Waves Inc. HPLP1.7-18 | | V | 37.5000 | 300.2000 | | |
| 3 | 1 | T | Radio Waves Inc. HPLP1.7-18 | | V | 37.5000 | 299.6000 | | |
| 4 | 1 | T | Radio Waves Inc. HP2-18 | | V | 38.6000 | 145.0000 | | |
| 5 | 1 | T | Radio Waves Inc. HP2-18 | | V | 38.6000 | 337.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2002-06-27 | WPRS209 | LICAN |
| 2002-06-25 | WPRS209 | LIASS |
| 2002-04-11 | WPRS209 | LETCNS |
| 2001-09-07 | WPRS209 | LIASS |
| 2001-09-06 | WPRS209 | LITRAN |
| 2001-05-31 | WPRS209 | LIMOD |
| 2001-01-09 | WPRS209 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1938322 | 2026-08-02 02:46:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPRS209 | ULS 1938322 | 2026-08-02 02:46:30 |
| Status | C | ULS 1938322 | 2026-08-02 02:46:30 |
| Service | CF | ULS 1938322 | 2026-08-02 02:46:30 |
| Grant Date | 2001-01-09 | ULS 1938322 | 2026-08-02 02:46:30 |
| Expiration Date | 2011-01-09 | ULS 1938322 | 2026-08-02 02:46:30 |
| Cancellation Date | 2002-06-26 | ULS 1938322 | 2026-08-02 02:46:30 |