Universal Licensing System
WPPC397
MECHEM ELECTRONICS
License details
| ULS identifier | 1816131 |
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| Call sign | WPPC397 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2004-09-09 |
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| Expiration | 2014-10-18 |
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| Cancellation | 2014-12-20 |
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| Frequency range | 452.675 - 457.675 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | FREDERICKSBURG, VA |
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| Coordinates | 38.2834722, -77.5944444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:17:11 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 452.67500000 | | | 110.000000 | 500.000000 | |
| 2 | 1 | MO | 457.67500000 | | | 100.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.67500000 | | 20K0F3E |
| 1 | 1 | 452.67500000 | | 11K0F3E |
| 1 | 1 | 452.67500000 | | 20K0F1E |
| 1 | 1 | 452.67500000 | | 11K0F1E |
| 2 | 1 | 457.67500000 | | 20K0F1E |
| 2 | 1 | 457.67500000 | | 11K0F3E |
| 2 | 1 | 457.67500000 | | 11K0F1E |
| 2 | 1 | 457.67500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 7502 OLD PLANK RD, FREDERICKSBURG, VA | 38.28347222, -77.59444444 | 99.000 m | TOWER | 90.000 m structure / 97.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 91.000 m | | | | 103.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 3605 LOREN WHITNEY DR, FREDERICKSBURG, VA | SPOTSYLVANIA | 5408910569 |
License history
| Date | File or call sign | Action |
|---|
| 2014-12-20 | WPPC397 | LIEXP |
| 2014-07-28 | WPPC397 | LETRES |
| 2012-10-20 | WPPC397 | LIMOD |
| 2012-10-19 | WPPC397 | ESCAPR |
| 2004-09-09 | WPPC397 | LTSAPR |
| 2004-09-07 | WPPC397 | LTSFRN |
| 2004-07-26 | WPPC397 | LETRES |
| 2001-10-09 | WPPC397 | AUDOPR |
| 2000-11-23 | WPPC397 | LICCNV |
| 2000-11-23 | WPPC397 | COR |
| 1999-11-19 | WPPC397 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1816131 | 2026-08-02 01:17:11 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPPC397 | ULS 1816131 | 2026-08-02 01:17:11 |
| Status | E | ULS 1816131 | 2026-08-02 01:17:11 |
| Service | IG | ULS 1816131 | 2026-08-02 01:17:11 |
| Grant Date | 2004-09-09 | ULS 1816131 | 2026-08-02 01:17:11 |
| Expiration Date | 2014-10-18 | ULS 1816131 | 2026-08-02 01:17:11 |
| Cancellation Date | 2014-12-20 | ULS 1816131 | 2026-08-02 01:17:11 |