Universal Licensing System
WPWD897
CONTRA COSTA COMMUNITY COLLEGE DISTRICT
License details
| ULS identifier | 2455773 |
|---|
| Call sign | WPWD897 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2012-10-25 |
|---|
| Expiration | 2022-10-24 |
|---|
| Cancellation | 2022-12-24 |
|---|
| Frequency range | 461.125 - 469.9 MHz (10 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | CA |
|---|
| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:43 |
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Licensee
| Name | CONTRA COSTA COMMUNITY COLLEGE DISTRICT |
|---|
| Applicant type | G |
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| FRN | 0005409362 |
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| Location | MARTINEZ, CA |
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| Address | 500 COURT ST, MARTINEZ, CA, 94553 |
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| Phone | 9252291000 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 452.00000000 | | | 40.000000 | 120.000000 | |
| 2 | 1 | MO | 452.00000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 452.12500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 452.17500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.00000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 461.12500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 461.25000000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | MO | 461.50000000 | | | 25.000000 | 25.000000 | |
| 4 | 1 | FB2 | 464.65000000 | | | 35.000000 | 70.000000 | |
| 5 | 1 | MO | 464.65000000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | FB2 | 464.90000000 | | | 40.000000 | 80.000000 | |
| 5 | 1 | MO | 464.90000000 | | | 25.000000 | 25.000000 | |
| 5 | 1 | MO | 466.50000000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | MO | 468.72500000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | MO | 469.65000000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 469.70000000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | MO | 469.90000000 | | | 25.000000 | 25.000000 | |
| 5 | 1 | MO | 469.90000000 | | | 4.000000 | 4.000000 | |
| 6 | 1 | FX1 | 469.90000000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.00000000 | | 11K0F3E |
| 2 | 1 | 452.00000000 | | 11K0F3E |
| 2 | 1 | 452.12500000 | | 11K0F3E |
| 2 | 1 | 452.17500000 | | 11K0F3E |
| 2 | 1 | 457.00000000 | | 11K0F3E |
| 2 | 1 | 461.12500000 | | 11K0F3E |
| 2 | 1 | 461.25000000 | | 11K0F3E |
| 5 | 1 | 461.50000000 | | 11K0F3E |
| 4 | 1 | 464.65000000 | | 11K0F3E |
| 5 | 1 | 464.65000000 | | 11K0F3E |
| 4 | 1 | 464.90000000 | | 11K0F3E |
| 5 | 1 | 464.90000000 | | 11K0F3E |
| 5 | 1 | 466.50000000 | | 11K0F3E |
| 3 | 1 | 468.72500000 | | 11K0F3E |
| 5 | 1 | 469.65000000 | | 11K0F3E |
| 3 | 1 | 469.70000000 | | 11K0F3E |
| 5 | 1 | 469.90000000 | | 11K0F3E |
| 5 | 1 | 469.90000000 | | 11K0F3E |
| 6 | 1 | 469.90000000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 321 GOLF CLUB DRIVE, PLEASANT HILL, CONTRA COSTA, CA | 37.96944444, -122.07277778 | 25.000 m | BANT | 30.000 m structure / 32.000 m overall | |
| 2 | T | PLEASANT HILL, CONTRA COSTA, CA | 37.96944444, -122.07277778 | | | | |
| 3 | | PLEASANT HILL, CONTRA COSTA, CA | 37.96944444, -122.07277778 | | | | N |
| 4 | T | 2700 EAST LELAND ROAD, PITTSBURG, CONTRA COSTA, CA | 38.00547222, -121.85855556 | 22.000 m | BANT | 16.000 m structure / 19.800 m overall | N |
| 5 | | | | | | | N |
| 6 | T | CA | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 32.000 m | | 0.0000 | 0.0000 | -55.600 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | 19.800 m | | | | -26.200 | |
| 1 | 5 | T | | | | | | | |
| 1 | 6 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 500 Court St, Martinez, CA | CONTRA COSTA | 9252291000 |
License history
| Date | File or call sign | Action |
|---|
| 2022-12-24 | WPWD897 | LIEXP |
| 2015-03-31 | WPWD897 | LETCNS |
| 2014-11-26 | WPWD897 | LIMOD |
| 2014-06-26 | WPWD897 | LIMOD |
| 2014-03-11 | WPWD897 | LETCNS |
| 2013-06-12 | WPWD897 | LIMOD |
| 2012-10-25 | WPWD897 | LTSAPR |
| 2012-10-25 | WPWD897 | LIRMD |
| 2012-10-25 | WPWD897 | LIREN |
| 2012-07-30 | WPWD897 | LETRES |
| 2011-02-15 | WPWD897 | LETCNS |
| 2010-05-14 | WPWD897 | LIMOD |
| 2003-08-01 | WPWD897 | LETCNS |
| 2002-10-24 | WPWD897 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2455773 | 2026-08-02 01:14:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPWD897 | ULS 2455773 | 2026-08-02 01:14:43 |
| Status | E | ULS 2455773 | 2026-08-02 01:14:43 |
| Service | IG | ULS 2455773 | 2026-08-02 01:14:43 |
| Grant Date | 2012-10-25 | ULS 2455773 | 2026-08-02 01:14:43 |
| Expiration Date | 2022-10-24 | ULS 2455773 | 2026-08-02 01:14:43 |
| Cancellation Date | 2022-12-24 | ULS 2455773 | 2026-08-02 01:14:43 |