Universal Licensing System
WPXM421
CASTILLO COMMUNICATION
License details
| ULS identifier | 2510282 |
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| Call sign | WPXM421 |
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| Radio service | YG |
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| Status | E |
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| Grant date | 2003-05-05 |
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| Expiration | 2013-05-05 |
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| Cancellation | 2013-07-06 |
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| Frequency range | 451.5 - 467.075 MHz (8 frequencies) |
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| Locations | 3 |
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| Representative location | FREDERIKSTED, ST. CROIX, VI |
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| Coordinates | 17.7569444, -64.7997222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:53 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 451.50000000 | | | 50.000000 | 106.400000 | |
| 2 | 1 | FB6 | 451.50000000 | | | 50.000000 | 106.300000 | |
| 1 | 1 | FB6 | 452.65000000 | | | 50.000000 | 106.400000 | |
| 2 | 1 | FB6 | 452.65000000 | | | 50.000000 | 106.300000 | |
| 1 | 1 | FB6 | 452.95000000 | | | 50.000000 | 106.400000 | |
| 2 | 1 | FB6 | 452.95000000 | | | 50.000000 | 106.300000 | |
| 3 | 1 | MO | 456.50000000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | MO | 457.65000000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | MO | 457.95000000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FB6 | 462.07500000 | | | 50.000000 | 106.400000 | |
| 2 | 1 | FB6 | 462.07500000 | | | 50.000000 | 106.300000 | |
| 3 | 1 | MO | 467.07500000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.50000000 | | 20K0F3E |
| 2 | 1 | 451.50000000 | | 20K0F3E |
| 1 | 1 | 452.65000000 | | 20K0F3E |
| 2 | 1 | 452.65000000 | | 20K0F3E |
| 1 | 1 | 452.95000000 | | 20K0F3E |
| 2 | 1 | 452.95000000 | | 20K0F3E |
| 3 | 1 | 456.50000000 | | 20K0F3E |
| 3 | 1 | 457.65000000 | | 20K0F3E |
| 3 | 1 | 457.95000000 | | 20K0F3E |
| 1 | 1 | 462.07500000 | | 20K0F3E |
| 2 | 1 | 462.07500000 | | 20K0F3E |
| 3 | 1 | 467.07500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BLUE MOUNTAIN, FREDERIKSTED, ST. CROIX, VI | 17.75694444, -64.79972222 | 253.000 m | TOWER | 6.000 m structure / 6.000 m overall | |
| 2 | T | RECOVERY HILL, CHRISTIANSTED, ST. CROIX, VI | 17.73750000, -64.68472222 | 252.000 m | TOWER | 30.000 m structure / 30.000 m overall | |
| 3 | T | CHRISTIANSTED, ST. CROIX, VI | 18.35000000, -64.68472222 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 6.000 m | V | 6.0000 | 360.0000 | 271.000 | |
| 1 | 2 | T | | 18.000 m | V | 6.0000 | 360.0000 | 270.000 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | #3A SION HILL, CHRISTIANSTED, VI | ST. CROIX | 3407734606 |
License history
| Date | File or call sign | Action |
|---|
| 2013-07-06 | WPXM421 | LIEXP |
| 2013-02-11 | WPXM421 | LETRES |
| 2004-02-02 | WPXM421 | LETCNS |
| 2003-07-09 | WPXM421 | LIAUA |
| 2003-05-05 | WPXM421 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2510282 | 2026-08-02 01:14:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPXM421 | ULS 2510282 | 2026-08-02 01:14:53 |
| Status | E | ULS 2510282 | 2026-08-02 01:14:53 |
| Service | YG | ULS 2510282 | 2026-08-02 01:14:53 |
| Grant Date | 2003-05-05 | ULS 2510282 | 2026-08-02 01:14:53 |
| Expiration Date | 2013-05-05 | ULS 2510282 | 2026-08-02 01:14:53 |
| Cancellation Date | 2013-07-06 | ULS 2510282 | 2026-08-02 01:14:53 |