Universal Licensing System
WPJY953
ROELOF EXPLORATION & DEVELOPMENT
License details
| ULS identifier | 1872213 |
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| Call sign | WPJY953 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1996-12-18 |
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| Expiration | 2001-12-18 |
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| Cancellation | 2002-05-05 |
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| Frequency range | 47.52 MHz |
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| Locations | 1 |
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| Representative location | TEHAMA, CA |
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| Coordinates | 40.2146111, -122.2480556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:28 |
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Licensee
| Name | ROELOF EXPLORATION & DEVELOPMENT |
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| Applicant type | C |
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| Location | COLMA, CA |
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| Address | 629 F ST, COLMA, CA, 94014 |
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| Phone | 4159924507 |
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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 | 47.52000000 | | | 45.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 47.52000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | TEHAMA, CA | 40.21461111, -122.24805556 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 629 F ST, COLMA, CA | | 6197379588 |
License history
| Date | File or call sign | Action |
|---|
| 2002-05-05 | WPJY953 | LIEXP |
| 2001-10-19 | WPJY953 | LETAUS |
| 2001-09-24 | WPJY953 | LETRES |
| 2000-11-24 | WPJY953 | LICCNV |
| 1996-12-18 | WPJY953 | AUTHPR |
| 1996-12-18 | WPJY953 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1872213 | 2026-08-02 01:27:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPJY953 | ULS 1872213 | 2026-08-02 01:27:28 |
| Status | E | ULS 1872213 | 2026-08-02 01:27:28 |
| Service | IG | ULS 1872213 | 2026-08-02 01:27:28 |
| Grant Date | 1996-12-18 | ULS 1872213 | 2026-08-02 01:27:28 |
| Expiration Date | 2001-12-18 | ULS 1872213 | 2026-08-02 01:27:28 |
| Cancellation Date | 2002-05-05 | ULS 1872213 | 2026-08-02 01:27:28 |