Universal Licensing System
WPRT635
BACKLINK IV, LLC
License details
| ULS identifier | 1940709 |
|---|
| Call sign | WPRT635 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 2001-01-24 |
|---|
| Expiration | 2011-01-24 |
|---|
| Cancellation | 2002-06-26 |
|---|
| Frequency range | 21225 - 21725 MHz (4 frequencies) |
|---|
| Locations | 5 |
|---|
| Representative location | SAN DIEGO, SAN DIEGO, CA |
|---|
| Coordinates | 33.0250278, -117.0761944 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:46:30 |
|---|
Licensee
| Name | BACKLINK IV, LLC |
|---|
| Applicant type | L |
|---|
| Location | Herndon, VA |
|---|
| Address | 460 Herndon Parkway, Suite 100, Herndon, VA, 20170 |
|---|
| Phone | 7033264650 |
|---|
| Email | [email protected] |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 21225.00000000 | | | | | |
| 1 | 4 | FXO | 21325.00000000 | | | | | |
| 1 | 1 | FXO | 21525.00000000 | | | | | |
| 1 | 2 | FXO | 21725.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 21225.00000000 | | 40M0F7W |
| 1 | 4 | 21325.00000000 | | 40M0F7W |
| 1 | 1 | 21525.00000000 | | 40M0F7W |
| 1 | 2 | 21725.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 17140 BERNARDO CENTER DR, SAN DIEGO, SAN DIEGO, CA | 33.02502778, -117.07619444 | 177.400 m | BPOLE | 18.600 m structure / 21.900 m overall | |
| 2 | R | | 33.02166667, -117.08275000 | 197.800 m | | | |
| 3 | R | | 33.02008333, -117.08194444 | 191.400 m | | | |
| 4 | R | | 33.01836111, -117.08077778 | 178.600 m | | | |
| 5 | R | | 33.02016667, -117.08027778 | 179.800 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 | 238.7000 | | |
| 1 | 2 | R | RADIO WAVES INC HPLP1.5-23 | | | 37.8000 | | | |
| 1 | 3 | R | RADIO WAVES INC HPLP1.5-23 | | | 37.8000 | | | |
| 1 | 4 | R | RADIO WAVES INC HPLP1.5-23 | | | 37.8000 | | | |
| 1 | 5 | R | RADIO WAVES INC HPLP1.5-23 | | | 37.8000 | | | |
| 2 | 1 | T | RADIO WAVES INC HPLP1.5-23 | | V | 37.8000 | 224.4000 | | |
| 3 | 1 | T | RADIO WAVES INC HPLP1.5-23 | | V | 37.8000 | 210.1000 | | |
| 4 | 1 | T | RADIO WAVES INC HPLP1.5-23 | | V | 37.8000 | 215.3000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2002-06-27 | WPRT635 | LICAN |
| 2002-06-25 | WPRT635 | LIASS |
| 2002-04-22 | WPRT635 | LETCNS |
| 2001-09-07 | WPRT635 | LIASS |
| 2001-09-06 | WPRT635 | LITRAN |
| 2001-01-24 | WPRT635 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1940709 | 2026-08-02 02:46:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPRT635 | ULS 1940709 | 2026-08-02 02:46:30 |
| Status | C | ULS 1940709 | 2026-08-02 02:46:30 |
| Service | CF | ULS 1940709 | 2026-08-02 02:46:30 |
| Grant Date | 2001-01-24 | ULS 1940709 | 2026-08-02 02:46:30 |
| Expiration Date | 2011-01-24 | ULS 1940709 | 2026-08-02 02:46:30 |
| Cancellation Date | 2002-06-26 | ULS 1940709 | 2026-08-02 02:46:30 |