Universal Licensing System
WPKS403
TRACER ENVIRONMENTAL SCIENCES & TECHNOLOGIES INC
License details
| ULS identifier | 1750999 |
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| Call sign | WPKS403 |
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| Radio service | IG |
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| Status | T |
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| Grant date | 2002-05-18 |
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| Expiration | 2012-06-20 |
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| Cancellation | 2004-06-10 |
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| Frequency range | 464.1625 - 469.1625 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | SAN DIEGO, CA |
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| Coordinates | 32.5458889, -117.0391944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:15:19 |
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Licensee
| Name | TRACER ENVIRONMENTAL SCIENCES & TECHNOLOGIES INC |
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| Applicant type | C |
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| FRN | 0007099062 |
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| Location | SAN MARCOS, CA |
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| Address | 970 LOS VALLECITOS BLVD STE 100, SAN MARCOS, CA, 92069 |
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| Phone | 7607449611 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | MO | 464.16250000 | | | 2.000000 | | |
| 1 | 1 | MO | 469.16250000 | | | 2.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.16250000 | | 16K0F1D |
| 1 | 1 | 464.16250000 | | 16K0F2D |
| 1 | 1 | 469.16250000 | | 16K0F1D |
| 1 | 1 | 469.16250000 | | 16K0F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SAN DIEGO, CA | 32.54588889, -117.03919444 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 970 LOS VALLECITOS BLVD STE 100, SAN MARCOS, CA | | 7607449611 |
License history
| Date | File or call sign | Action |
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| 2004-06-23 | WPKS403 | PNACT |
| 2004-06-10 | WPKS403 | LITERM |
| 2004-06-10 | WPKS403 | LETACS |
| 2002-05-18 | WPKS403 | LIREN |
| 2002-03-25 | WPKS403 | LETRES |
| 2000-11-23 | WPKS403 | LICCNV |
| 1997-06-20 | WPKS403 | AUTHPR |
| 1997-06-20 | WPKS403 | LIISS |
| WPKS403 | AUDCAN |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1750999 | 2026-08-02 01:15:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPKS403 | ULS 1750999 | 2026-08-02 01:15:19 |
| Status | T | ULS 1750999 | 2026-08-02 01:15:19 |
| Service | IG | ULS 1750999 | 2026-08-02 01:15:19 |
| Grant Date | 2002-05-18 | ULS 1750999 | 2026-08-02 01:15:19 |
| Expiration Date | 2012-06-20 | ULS 1750999 | 2026-08-02 01:15:19 |
| Cancellation Date | 2004-06-10 | ULS 1750999 | 2026-08-02 01:15:19 |