Universal Licensing System
WMJ540
CALAVERAS TELEPHONE COMPANY
License details
| ULS identifier | 1001971 |
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| Call sign | WMJ540 |
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| Radio service | CF |
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| Status | E |
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| Grant date | 1991-12-06 |
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| Expiration | 2001-02-01 |
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| Cancellation | 2002-12-22 |
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| Frequency range | 22975 MHz |
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| Locations | 2 |
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| Representative location | CALAVERAS, CA |
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| Coordinates | 37.9988056, -120.5426944 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:49 |
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Licensee
| Name | CALAVERAS TELEPHONE COMPANY |
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| Applicant type | C |
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| Location | COPPEROPOLIS, CA |
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| Address | COPPEROPOLIS, CA, 95228 |
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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 | FXO | 22975.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 22975.00000000 | | 29M0A7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | CALAVERAS, CA | 37.99880556, -120.54269444 | 353.600 m | | 7.900 m overall | |
| 2 | R | | 37.99380556, -120.57936111 | 353.600 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | V | | 260.2000 | | |
| 1 | 2 | R | | | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2002-12-22 | WMJ540 | LIEXP |
| 2000-11-13 | WMJ540 | LETRES |
| 1999-08-14 | WMJ540 | LICCNV |
| 1997-07-30 | WMJ540 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1001971 | 2026-08-02 02:47:49 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WMJ540 | ULS 1001971 | 2026-08-02 02:47:49 |
| Status | E | ULS 1001971 | 2026-08-02 02:47:49 |
| Service | CF | ULS 1001971 | 2026-08-02 02:47:49 |
| Grant Date | 1991-12-06 | ULS 1001971 | 2026-08-02 02:47:49 |
| Expiration Date | 2001-02-01 | ULS 1001971 | 2026-08-02 02:47:49 |
| Cancellation Date | 2002-12-22 | ULS 1001971 | 2026-08-02 02:47:49 |