Universal Licensing System
WPWZ689
RF DATA INC
License details
| ULS identifier | 2487206 |
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| Call sign | WPWZ689 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2003-02-18 |
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| Expiration | 2013-02-18 |
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| Cancellation | 2013-04-20 |
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| Frequency range | 490.9625 - 493.9625 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | Pittsburg, CONTRA COSTA, CA |
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| Coordinates | 37.9883333, -121.8061111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:09:14 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 490.96250000 | | | 100.000000 | 1000.000000 | |
| 2 | 1 | MO | 493.96250000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 490.96250000 | | 20K0F9W |
| 2 | 1 | 493.96250000 | | 20K0F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 75 WATSON LN (GLD-Antioch-8557), Pittsburg, CONTRA COSTA, CA | 37.98833333, -121.80611111 | 29.000 m | TOWER | 42.600 m structure / 42.600 m overall | |
| 2 | T | CA | 37.98833333, -121.80611111 | 0.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 42.000 m | | | | -29.000 | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 4019 S.INDUSTRIAL ROAD, LAS VEGAS, NV | CLARK | 7022528525 |
License history
| Date | File or call sign | Action |
|---|
| 2013-04-20 | WPWZ689 | LIEXP |
| 2012-11-26 | WPWZ689 | LETRES |
| 2012-10-23 | WPWZ689 | LIAUA |
| 2012-10-22 | WPWZ689 | ESUAPR |
| 2012-06-04 | WPWZ689 | LIAUA |
| 2012-06-02 | WPWZ689 | LIAUA |
| 2012-06-01 | WPWZ689 | ESUAPR |
| 2012-05-28 | WPWZ689 | ESUAPR |
| 2012-01-11 | WPWZ689 | LTSAPR |
| 2012-01-10 | WPWZ689 | LIAUA |
| 2012-01-10 | WPWZ689 | EFCAPR |
| 2012-01-10 | WPWZ689 | ESCAPR |
| 2012-01-09 | WPWZ689 | EFUAPR |
| 2012-01-09 | WPWZ689 | ESUAPR |
| 2006-09-11 | WPWZ689 | LIAUA |
| 2006-08-19 | WPWZ689 | ESUAPR |
| 2005-11-21 | WPWZ689 | LIAUA |
| 2005-11-15 | WPWZ689 | ESUAPR |
| 2005-06-24 | WPWZ689 | LIAUA |
| 2005-06-24 | WPWZ689 | ESUAPR |
| 2003-11-17 | WPWZ689 | LETCNS |
| 2003-02-18 | WPWZ689 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2487206 | 2026-08-02 01:09:14 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPWZ689 | ULS 2487206 | 2026-08-02 01:09:14 |
| Status | E | ULS 2487206 | 2026-08-02 01:09:14 |
| Service | IG | ULS 2487206 | 2026-08-02 01:09:14 |
| Grant Date | 2003-02-18 | ULS 2487206 | 2026-08-02 01:09:14 |
| Expiration Date | 2013-02-18 | ULS 2487206 | 2026-08-02 01:09:14 |
| Cancellation Date | 2013-04-20 | ULS 2487206 | 2026-08-02 01:09:14 |