Universal Licensing System
WPTM839
AMBROS INC.
License details
| ULS identifier | 2361438 |
|---|
| Call sign | WPTM839 |
|---|
| Radio service | IG |
|---|
| Status | E |
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| Grant date | 2001-11-01 |
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| Expiration | 2011-11-01 |
|---|
| Cancellation | 2012-01-07 |
|---|
| Frequency range | 463.575 - 468.575 MHz (2 frequencies) |
|---|
| Locations | 4 |
|---|
| Representative location | ANIGUA, GUAM, GU |
|---|
| Coordinates | 13.4783889, 144.7171389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-09 02:58:48 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 463.57500000 | | | 15.000000 | 13.000000 | |
| 2 | 1 | FB4 | 463.57500000 | | | 75.000000 | 69.600000 | |
| 3 | 1 | MO | 463.57500000 | | | 15.000000 | 15.000000 | |
| 3 | 1 | MO | 468.57500000 | | | 15.000000 | 15.000000 | |
| 4 | 1 | FX1 | 468.57500000 | | | 15.000000 | 15.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 463.57500000 | | 20K0F3E |
| 2 | 1 | 463.57500000 | | 20K0F3E |
| 3 | 1 | 463.57500000 | | 20K0F3E |
| 3 | 1 | 468.57500000 | | 20K0F3E |
| 4 | 1 | 468.57500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | AMBROS BLDG 1/4 MILE N ACE HARDWARE, ANIGUA, GUAM, GU | 13.47838889, 144.71713889 | 18.000 m | BPOLE | 4.800 m structure / 8.000 m overall | |
| 2 | T | SUMMIT MOUNT ALUTOM, YONA, GUAM, GU | 13.54950000, 144.71241667 | 327.000 m | BPOLE | 4.800 m structure / 8.000 m overall | |
| 3 | T | | | | | | |
| 4 | T | GU | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 8.000 m | | | | 26.000 | |
| 1 | 2 | | | 8.000 m | | | | 335.000 | |
| 1 | 3 | | | | | | | | |
| 1 | 4 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | DULCE NOMBRE DE MARIA DRIVE, ANIGUA, GU | GUAM | 6714771826 |
License history
| Date | File or call sign | Action |
|---|
| 2012-01-07 | WPTM839 | LIEXP |
| 2011-08-08 | WPTM839 | LETRES |
| 2002-07-29 | WPTM839 | LETCNS |
| 2001-11-01 | WPTM839 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2361438 | 2026-08-09 02:58:48 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPTM839 | ULS 2361438 | 2026-08-09 02:58:48 |
| Status | E | ULS 2361438 | 2026-08-09 02:58:48 |
| Service | IG | ULS 2361438 | 2026-08-09 02:58:48 |
| Grant Date | 2001-11-01 | ULS 2361438 | 2026-08-09 02:58:48 |
| Expiration Date | 2011-11-01 | ULS 2361438 | 2026-08-09 02:58:48 |
| Cancellation Date | 2012-01-07 | ULS 2361438 | 2026-08-09 02:58:48 |