Universal Licensing System
WPKZ302
SRI INTERNATIONAL
License details
| ULS identifier | 1753568 |
|---|
| Call sign | WPKZ302 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2002-08-06 |
|---|
| Expiration | 2012-10-15 |
|---|
| Cancellation | 2012-12-15 |
|---|
| Frequency range | 461.5 - 466.825 MHz (4 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | TRACY, SAN JOAQUIN, CA |
|---|
| Coordinates | 37.6010556, -121.5249444 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:11:12 |
|---|
Licensee
| Name | SRI INTERNATIONAL |
|---|
| Applicant type | C |
|---|
| FRN | 0001550292 |
|---|
| Location | MENLO PARK, CA |
|---|
| Address | 333 RAVENSWOOD AVE, MENLO PARK, CA, 94025 |
|---|
| Phone | 6508593050 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 461.50000000 | | | 20.000000 | 35.000000 | |
| 2 | 1 | MO | 461.50000000 | | | 4.000000 | | |
| 2 | 1 | MO | 461.82500000 | | | 4.000000 | | |
| 2 | 1 | MO | 466.50000000 | | | 4.000000 | | |
| 2 | 1 | MO | 466.82500000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.50000000 | | 20K0F3E |
| 2 | 1 | 461.50000000 | | 20K0F3E |
| 2 | 1 | 461.82500000 | | 20K0F3E |
| 2 | 1 | 466.50000000 | | 20K0F3E |
| 2 | 1 | 466.82500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2 MI S OF CARNEGIE STATE, TRACY, SAN JOAQUIN, CA | 37.60105556, -121.52494444 | 537.000 m | B | 6.000 m structure / 8.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 8.000 m | | | | 90.000 | |
| 1 | 2 | T | | | | | | | |
| 2 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2 MI S OF CARNEGIE STATE PARK, TRACY, CA | | 6508593050 |
License history
| Date | File or call sign | Action |
|---|
| 2012-12-15 | WPKZ302 | LIEXP |
| 2012-07-23 | WPKZ302 | LETRES |
| 2002-08-06 | WPKZ302 | LIREN |
| 2002-08-06 | WPKZ302 | LIAUA |
| 2002-07-22 | WPKZ302 | LETRES |
| 2001-11-19 | WPKZ302 | AUDOPR |
| 2000-11-23 | WPKZ302 | LICCNV |
| 1997-10-28 | WPKZ302 | AUTHPR |
| 1997-10-15 | WPKZ302 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1753568 | 2026-08-02 01:11:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKZ302 | ULS 1753568 | 2026-08-02 01:11:12 |
| Status | E | ULS 1753568 | 2026-08-02 01:11:12 |
| Service | IG | ULS 1753568 | 2026-08-02 01:11:12 |
| Grant Date | 2002-08-06 | ULS 1753568 | 2026-08-02 01:11:12 |
| Expiration Date | 2012-10-15 | ULS 1753568 | 2026-08-02 01:11:12 |
| Cancellation Date | 2012-12-15 | ULS 1753568 | 2026-08-02 01:11:12 |