Universal Licensing System
WPMK281
LOS ANGELES, COUNTY OF
License details
| ULS identifier | 1294255 |
|---|
| Call sign | WPMK281 |
|---|
| Radio service | PW |
|---|
| Status | C |
|---|
| Grant date | 2023-07-27 |
|---|
| Expiration | 2033-08-18 |
|---|
| Cancellation | 2024-06-20 |
|---|
| Frequency range | 470.475 - 482.775 MHz (11 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | SAN DIMAS, LOS ANGELES, CA |
|---|
| Coordinates | 34.0716667, -117.8136667 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-16 06:48:19 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 470.42500000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB | 470.42500000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB2 | 470.45000000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB | 470.45000000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB | 470.47500000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB2 | 470.47500000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB2 | 470.50000000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB | 470.50000000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB2 | 470.52500000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB | 470.52500000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB | 470.55000000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB2 | 470.55000000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB | 470.57500000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB2 | 470.57500000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB2 | 470.60000000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB | 470.60000000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB2 | 482.67500000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB | 482.67500000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB2 | 482.70000000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB | 482.70000000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB2 | 482.72500000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB | 482.72500000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB | 482.75000000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB2 | 482.75000000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB2 | 482.77500000 | | | 250.000000 | 500.000000 | |
| 1 | 1 | FB | 482.77500000 | | | 250.000000 | 500.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 470.42500000 | | 11K3F9W |
| 1 | 1 | 470.42500000 | | 11K3F9W |
| 1 | 1 | 470.45000000 | | 11K3F9W |
| 1 | 1 | 470.45000000 | | 11K3F9W |
| 1 | 1 | 470.47500000 | | 11K3F9W |
| 1 | 1 | 470.47500000 | | 11K3F9W |
| 1 | 1 | 470.50000000 | | 11K3F9W |
| 1 | 1 | 470.50000000 | | 11K3F9W |
| 1 | 1 | 470.52500000 | | 11K3F9W |
| 1 | 1 | 470.52500000 | | 11K3F9W |
| 1 | 1 | 470.55000000 | | 11K3F9W |
| 1 | 1 | 470.55000000 | | 11K3F9W |
| 1 | 1 | 470.57500000 | | 11K3F9W |
| 1 | 1 | 470.57500000 | | 11K3F9W |
| 1 | 1 | 470.60000000 | | 11K3F9W |
| 1 | 1 | 470.60000000 | | 11K3F9W |
| 1 | 1 | 482.67500000 | | 11K3F9W |
| 1 | 1 | 482.67500000 | | 11K3F9W |
| 1 | 1 | 482.70000000 | | 11K3F9W |
| 1 | 1 | 482.70000000 | | 11K3F9W |
| 1 | 1 | 482.72500000 | | 11K3F9W |
| 1 | 1 | 482.72500000 | | 11K3F9W |
| 1 | 1 | 482.75000000 | | 11K3F9W |
| 1 | 1 | 482.75000000 | | 11K3F9W |
| 1 | 1 | 482.77500000 | | 11K3F9W |
| 1 | 1 | 482.77500000 | | 11K3F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | PUDDINGSTONE RESERVOIR, SAN DIMAS, LOS ANGELES, CA | 34.07166667, -117.81366667 | 378.000 m | TOWER | 30.000 m structure / 37.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 34.000 m | | | | 96.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1320 N EASTERN AVE, LOS ANGELES, CA | | 2138816183 |
| 2 | 1320 N Eastern Ave, Los Angeles, CA | LOS ANGELES | 3238816183 |
License history
| Date | File or call sign | Action |
|---|
| 2024-06-21 | WPMK281 | LICAN |
| 2024-02-13 | WPMK281 | LIMOD |
| 2023-07-27 | WPMK281 | LIREN |
| 2023-07-19 | WPMK281 | ESURNW |
| 2023-05-22 | WPMK281 | LETRES |
| 2023-05-20 | WPMK281 | ESURNW |
| 2023-05-15 | WPMK281 | LIMOD |
| 2021-08-17 | WPMK281 | COR |
| 2021-08-17 | WPMK281 | LIMOD |
| 2019-02-20 | WPMK281 | LETTRS |
| 2018-10-02 | WPMK281 | LETCNS |
| 2016-09-30 | WPMK281 | LIMOD |
| 2016-07-19 | WPMK281 | ESUAPR |
| 2013-07-03 | WPMK281 | LIREN |
| 2012-11-22 | WPMK281 | AUTHPR |
| 2012-10-10 | WPMK281 | AUTHPR |
| 2012-04-03 | WPMK281 | LETCNS |
| 2011-10-12 | WPMK281 | AUTHPR |
| 2011-10-11 | WPMK281 | INTDUP |
| 2011-10-11 | WPMK281 | COR |
| 2011-07-12 | WPMK281 | LETCNS |
| 2011-07-06 | WPMK281 | AUTHPR |
| 2011-03-29 | WPMK281 | LETCNS |
| 2007-04-12 | WPMK281 | LIAUA |
| 2007-04-11 | WPMK281 | ESUAPR |
| 2006-06-27 | WPMK281 | LIAUA |
| 2006-06-26 | WPMK281 | ESUAPR |
| 2006-04-28 | WPMK281 | AUTHPR |
| 2006-02-25 | WPMK281 | LIAUA |
| 2006-02-23 | WPMK281 | ESCAPR |
| 2003-08-12 | WPMK281 | LIREN |
| 2003-05-27 | WPMK281 | LETRES |
| 2002-02-11 | WPMK281 | AUDOPR |
| 2001-08-14 | WPMK281 | COR |
| 2001-08-13 | WPMK281 | AUTHPR |
| 2001-08-13 | WPMK281 | COR |
| 2000-10-20 | WPMK281 | LICCNV |
| 1998-08-19 | WPMK281 | AUTHPR |
| 1998-08-18 | WPMK281 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1294255 | 2026-08-16 06:48:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMK281 | ULS 1294255 | 2026-08-16 06:48:19 |
| Status | C | ULS 1294255 | 2026-08-16 06:48:19 |
| Service | PW | ULS 1294255 | 2026-08-16 06:48:19 |
| Grant Date | 2023-07-27 | ULS 1294255 | 2026-08-16 06:48:19 |
| Expiration Date | 2033-08-18 | ULS 1294255 | 2026-08-16 06:48:19 |
| Cancellation Date | 2024-06-20 | ULS 1294255 | 2026-08-16 06:48:19 |