Universal Licensing System
WPKH781
NATIONAL SCIENCE AND TECHNOLOGY NETWORK INC
License details
| ULS identifier | 1785178 |
|---|
| Call sign | WPKH781 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2011-12-28 |
|---|
| Expiration | 2022-02-25 |
|---|
| Cancellation | 2022-04-30 |
|---|
| Frequency range | 471.6125 - 475.8875 MHz (4 frequencies) |
|---|
| Locations | 6 |
|---|
| Representative location | MOUNT LUKENS, LOS ANGELES, CA |
|---|
| Coordinates | 34.2680556, -118.2370278 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:17:30 |
|---|
Licensee
| Name | NATIONAL SCIENCE AND TECHNOLOGY NETWORK INC |
|---|
| Applicant type | C |
|---|
| FRN | 0006613392 |
|---|
| Location | LOS ANGELES, CA |
|---|
| Address | 2050 S. Bundy Drive, Suite 285, LOS ANGELES, CA, 90025 |
|---|
| Phone | 3108201234 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 471.61250000 | | | 100.000000 | 1000.000000 | |
| 2 | 1 | FB6 | 471.61250000 | | | 100.000000 | 1000.000000 | |
| 3 | 1 | MO | 471.61250000 | | | 60.000000 | 200.000000 | |
| 4 | 1 | FB6T | 471.61250000 | | | 100.000000 | 1000.000000 | |
| 4 | 1 | FBT | 471.61250000 | | | 60.000000 | 200.000000 | |
| 5 | 1 | MO | 471.61250000 | | | 60.000000 | 200.000000 | |
| 6 | 1 | FBT | 471.61250000 | | | 60.000000 | 200.000000 | |
| 6 | 1 | FB6T | 471.61250000 | | | 100.000000 | 1000.000000 | |
| 1 | 1 | FB6 | 472.88750000 | | | 100.000000 | 1000.000000 | |
| 3 | 1 | MO | 472.88750000 | | | 60.000000 | 200.000000 | |
| 4 | 1 | FB6T | 472.88750000 | | | 100.000000 | 1000.000000 | |
| 4 | 1 | FBT | 472.88750000 | | | 60.000000 | 200.000000 | |
| 3 | 1 | MO | 474.61250000 | | | 60.000000 | 200.000000 | |
| 4 | 1 | FX1T | 474.61250000 | | | 60.000000 | 200.000000 | |
| 5 | 1 | MO | 474.61250000 | | | 60.000000 | 200.000000 | |
| 6 | 1 | FX1T | 474.61250000 | | | 60.000000 | 200.000000 | |
| 3 | 1 | MO | 475.88750000 | | | 60.000000 | 200.000000 | |
| 4 | 1 | FX1T | 475.88750000 | | | 60.000000 | 200.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 471.61250000 | | 20K0F3E |
| 1 | 1 | 471.61250000 | | 20K0F1D |
| 1 | 1 | 471.61250000 | | 11K0F2D |
| 1 | 1 | 471.61250000 | | 11K0F1D |
| 1 | 1 | 471.61250000 | | 11K2F3E |
| 1 | 1 | 471.61250000 | | 20K0F2D |
| 2 | 1 | 471.61250000 | | 11K2F3E |
| 2 | 1 | 471.61250000 | | 20K0F1D |
| 2 | 1 | 471.61250000 | | 11K0F2D |
| 2 | 1 | 471.61250000 | | 20K0F3E |
| 2 | 1 | 471.61250000 | | 20K0F2D |
| 2 | 1 | 471.61250000 | | 11K0F1D |
| 3 | 1 | 471.61250000 | | 20K0F1D |
| 3 | 1 | 471.61250000 | | 11K0F2D |
| 3 | 1 | 471.61250000 | | 11K0F1D |
| 3 | 1 | 471.61250000 | | 20K0F2D |
| 3 | 1 | 471.61250000 | | 20K0F3E |
| 3 | 1 | 471.61250000 | | 11K2F3E |
| 4 | 1 | 471.61250000 | | 20K0F2D |
| 4 | 1 | 471.61250000 | | 20K0F3E |
| 4 | 1 | 471.61250000 | | 11K0F1D |
| 4 | 1 | 471.61250000 | | 11K2F3E |
| 4 | 1 | 471.61250000 | | 11K0F2D |
| 4 | 1 | 471.61250000 | | 20K0F1D |
| 4 | 1 | 471.61250000 | | 20K0F2D |
| 4 | 1 | 471.61250000 | | 20K0F3E |
| 4 | 1 | 471.61250000 | | 20K0F1D |
| 4 | 1 | 471.61250000 | | 11K2F3E |
| 4 | 1 | 471.61250000 | | 11K0F1D |
| 4 | 1 | 471.61250000 | | 11K0F2D |
| 5 | 1 | 471.61250000 | | 11K2F3E |
| 5 | 1 | 471.61250000 | | 20K0F1D |
| 5 | 1 | 471.61250000 | | 11K0F2D |
| 5 | 1 | 471.61250000 | | 20K0F2D |
| 5 | 1 | 471.61250000 | | 20K0F3E |
| 5 | 1 | 471.61250000 | | 11K0F1D |
| 6 | 1 | 471.61250000 | | 11K0F1D |
| 6 | 1 | 471.61250000 | | 20K0F1D |
| 6 | 1 | 471.61250000 | | 11K0F2D |
| 6 | 1 | 471.61250000 | | 20K0F2D |
| 6 | 1 | 471.61250000 | | 20K0F3E |
| 6 | 1 | 471.61250000 | | 11K2F3E |
| 6 | 1 | 471.61250000 | | 11K2F3E |
| 6 | 1 | 471.61250000 | | 11K0F1D |
| 6 | 1 | 471.61250000 | | 20K0F3E |
| 6 | 1 | 471.61250000 | | 20K0F1D |
| 6 | 1 | 471.61250000 | | 20K0F2D |
| 6 | 1 | 471.61250000 | | 11K0F2D |
| 1 | 1 | 472.88750000 | | 20K0F2D |
| 1 | 1 | 472.88750000 | | 20K0F1D |
| 1 | 1 | 472.88750000 | | 20K0F3E |
| 1 | 1 | 472.88750000 | | 11K0F2D |
| 1 | 1 | 472.88750000 | | 11K0F1D |
| 1 | 1 | 472.88750000 | | 11K2F3E |
| 3 | 1 | 472.88750000 | | 20K0F2D |
| 3 | 1 | 472.88750000 | | 11K0F1D |
| 3 | 1 | 472.88750000 | | 20K0F3E |
| 3 | 1 | 472.88750000 | | 11K0F2D |
| 3 | 1 | 472.88750000 | | 11K2F3E |
| 3 | 1 | 472.88750000 | | 20K0F1D |
| 4 | 1 | 472.88750000 | | 20K0F3E |
| 4 | 1 | 472.88750000 | | 20K0F2D |
| 4 | 1 | 472.88750000 | | 11K0F2D |
| 4 | 1 | 472.88750000 | | 11K0F1D |
| 4 | 1 | 472.88750000 | | 11K2F3E |
| 4 | 1 | 472.88750000 | | 20K0F1D |
| 4 | 1 | 472.88750000 | | 20K0F1D |
| 4 | 1 | 472.88750000 | | 20K0F3E |
| 4 | 1 | 472.88750000 | | 20K0F2D |
| 4 | 1 | 472.88750000 | | 11K0F2D |
| 4 | 1 | 472.88750000 | | 11K2F3E |
| 4 | 1 | 472.88750000 | | 11K0F1D |
| 3 | 1 | 474.61250000 | | 20K0F2D |
| 3 | 1 | 474.61250000 | | 11K0F2D |
| 3 | 1 | 474.61250000 | | 11K2F3E |
| 3 | 1 | 474.61250000 | | 20K0F1D |
| 3 | 1 | 474.61250000 | | 11K0F1D |
| 3 | 1 | 474.61250000 | | 20K0F3E |
| 4 | 1 | 474.61250000 | | 11K0F2D |
| 4 | 1 | 474.61250000 | | 20K0F3E |
| 4 | 1 | 474.61250000 | | 11K0F1D |
| 4 | 1 | 474.61250000 | | 20K0F2D |
| 4 | 1 | 474.61250000 | | 11K2F3E |
| 4 | 1 | 474.61250000 | | 20K0F1D |
| 5 | 1 | 474.61250000 | | 11K0F2D |
| 5 | 1 | 474.61250000 | | 20K0F1D |
| 5 | 1 | 474.61250000 | | 11K2F3E |
| 5 | 1 | 474.61250000 | | 11K0F1D |
| 5 | 1 | 474.61250000 | | 20K0F3E |
| 5 | 1 | 474.61250000 | | 20K0F2D |
| 6 | 1 | 474.61250000 | | 20K0F1D |
| 6 | 1 | 474.61250000 | | 20K0F3E |
| 6 | 1 | 474.61250000 | | 11K0F1D |
| 6 | 1 | 474.61250000 | | 20K0F2D |
| 6 | 1 | 474.61250000 | | 11K0F2D |
| 6 | 1 | 474.61250000 | | 11K2F3E |
| 3 | 1 | 475.88750000 | | 11K0F1D |
| 3 | 1 | 475.88750000 | | 20K0F3E |
| 3 | 1 | 475.88750000 | | 20K0F1D |
| 3 | 1 | 475.88750000 | | 20K0F2D |
| 3 | 1 | 475.88750000 | | 11K0F2D |
| 3 | 1 | 475.88750000 | | 11K2F3E |
| 4 | 1 | 475.88750000 | | 20K0F1D |
| 4 | 1 | 475.88750000 | | 20K0F3E |
| 4 | 1 | 475.88750000 | | 11K2F3E |
| 4 | 1 | 475.88750000 | | 20K0F2D |
| 4 | 1 | 475.88750000 | | 11K0F1D |
| 4 | 1 | 475.88750000 | | 11K0F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MOUNT LUKENS, MOUNT LUKENS, LOS ANGELES, CA | 34.26805556, -118.23702778 | 1540.000 m | TOWER | 37.000 m structure / 37.000 m overall | N |
| 2 | T | SIERRA PEAK, CORONA, ORANGE, CA | 33.85002778, -117.65227778 | 921.000 m | TOWER | 24.000 m structure / 30.000 m overall | N |
| 3 | T | | | | | | |
| 4 | T | | | | | | |
| 5 | T | | | | | | |
| 6 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 30.000 m | | | | 810.000 | |
| 1 | 2 | T | | 30.000 m | | | | 586.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
| 1 | 6 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2050 S. Bundy Dr., Suite 285, LOS ANGELES, CA | LOS ANGELES | 3108201234 |
Special conditions
| Type | Condition code |
|---|
| P | 1035 |
| P | 1063 |
| P | 5071 |
License history
| Date | File or call sign | Action |
|---|
| 2022-04-30 | WPKH781 | LIEXP |
| 2011-12-28 | WPKH781 | LIREN |
| 2011-12-28 | WPKH781 | LTSAPR |
| 2011-12-28 | WPKH781 | LIRMD |
| 2011-12-05 | WPKH781 | LETRES |
| 2007-05-01 | WPKH781 | LIAUA |
| 2007-05-01 | WPKH781 | LTSAPR |
| 2007-01-24 | WPKH781 | LIAUA |
| 2007-01-24 | WPKH781 | LTSAPR |
| 2002-02-01 | WPKH781 | LIREN |
| 2002-01-11 | WPKH781 | AUDOPR |
| 2001-12-17 | WPKH781 | LITIN |
| 2001-12-03 | WPKH781 | LETRES |
| 2000-11-23 | WPKH781 | LICCNV |
| 1998-06-01 | WPKH781 | LIMOD |
| 1998-06-01 | WPKH781 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1785178 | 2026-08-02 01:17:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKH781 | ULS 1785178 | 2026-08-02 01:17:30 |
| Status | E | ULS 1785178 | 2026-08-02 01:17:30 |
| Service | IG | ULS 1785178 | 2026-08-02 01:17:30 |
| Grant Date | 2011-12-28 | ULS 1785178 | 2026-08-02 01:17:30 |
| Expiration Date | 2022-02-25 | ULS 1785178 | 2026-08-02 01:17:30 |
| Cancellation Date | 2022-04-30 | ULS 1785178 | 2026-08-02 01:17:30 |