Universal Licensing System
WPSF818
BACKLINK V, LLC
License details
| ULS identifier | 1959190 |
|---|
| Call sign | WPSF818 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 2001-04-10 |
|---|
| Expiration | 2011-04-10 |
|---|
| Cancellation | 2002-06-28 |
|---|
| Frequency range | 21725 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | Cambridge, MIDDLESEX, MA |
|---|
| Coordinates | 42.3614444, -71.1006944 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:45:51 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 21725.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 21725.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 38 Sidney St., Cambridge, MIDDLESEX, MA | 42.36144444, -71.10069444 | 5.800 m | BPOLE | 19.500 m structure / 23.200 m overall | |
| 2 | R | | 42.36208333, -71.10163889 | 4.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Radio Waves Inc. HPLP1.5-23 | | V | 37.8000 | 312.4000 | | |
| 1 | 2 | R | Radio Waves Inc. HPLP1.5-23 | | | 37.8000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2002-06-29 | WPSF818 | LICAN |
| 2002-06-28 | WPSF818 | LIASS |
| 2001-09-07 | WPSF818 | LIASS |
| 2001-09-06 | WPSF818 | LITRAN |
| 2001-04-10 | WPSF818 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1959190 | 2026-08-02 02:45:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPSF818 | ULS 1959190 | 2026-08-02 02:45:51 |
| Status | C | ULS 1959190 | 2026-08-02 02:45:51 |
| Service | CF | ULS 1959190 | 2026-08-02 02:45:51 |
| Grant Date | 2001-04-10 | ULS 1959190 | 2026-08-02 02:45:51 |
| Expiration Date | 2011-04-10 | ULS 1959190 | 2026-08-02 02:45:51 |
| Cancellation Date | 2002-06-28 | ULS 1959190 | 2026-08-02 02:45:51 |