Universal Licensing System
WPMM550
Alarm Detection Systems, Inc.
License details
| ULS identifier | 1797138 |
|---|
| Call sign | WPMM550 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2023-08-01 |
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| Expiration | 2033-09-13 |
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| Frequency range | 460.9125 - 465.9875 MHz (2 frequencies) |
|---|
| Locations | 1 |
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| Representative location | STEAMBOAT SPRINGS, ROUTT, CO |
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| Coordinates | 40.4892778, -106.8394444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:12:56 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 460.91250000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MO | 465.98750000 | | | 2.000000 | 2.000000 | |
| 3 | 1 | MO | 465.98750000 | | | 2.000000 | 2.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 460.91250000 | | 11K2F2D |
| 1 | 1 | 465.98750000 | | 11K3F2D |
| 3 | 1 | 465.98750000 | | 11K2F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BOULDER, CO | 40.01969444, -105.24805556 | | | | |
| 2 | T | COLORADO SPRINGS, EL PASO, CO | 38.74580556, -104.86163889 | | | | N |
| 3 | T | STEAMBOAT SPRINGS, ROUTT, CO | 40.48927778, -106.83944444 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 421 S. Pierce Ave, Louisville, CO | BOULDER | 3034484340 |
License history
| Date | File or call sign | Action |
|---|
| 2023-08-01 | WPMM550 | LIREN |
| 2020-01-24 | WPMM550 | LETCNS |
| 2019-04-17 | WPMM550 | LIMOD |
| 2015-08-31 | WPMM550 | LIASS |
| 2015-08-26 | WPMM550 | ESCAPR |
| 2015-03-12 | WPMM550 | LIMOD |
| 2015-01-27 | WPMM550 | LETCNS |
| 2014-04-30 | WPMM550 | LIMOD |
| 2014-01-08 | WPMM550 | LIREN |
| 2013-09-17 | WPMM550 | ESCAPR |
| 2013-06-24 | WPMM550 | LETRES |
| 2007-02-14 | WPMM550 | LIAUA |
| 2007-02-13 | WPMM550 | ESCAPR |
| 2003-09-06 | WPMM550 | LIREN |
| 2003-06-23 | WPMM550 | LETRES |
| 2001-11-06 | WPMM550 | AUDOPR |
| 2000-11-23 | WPMM550 | LICCNV |
| 1998-09-18 | WPMM550 | AUTHPR |
| 1998-09-18 | WPMM550 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1797138 | 2026-08-02 01:12:56 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMM550 | ULS 1797138 | 2026-08-02 01:12:56 |
| Status | A | ULS 1797138 | 2026-08-02 01:12:56 |
| Service | IG | ULS 1797138 | 2026-08-02 01:12:56 |
| Grant Date | 2023-08-01 | ULS 1797138 | 2026-08-02 01:12:56 |
| Expiration Date | 2033-09-13 | ULS 1797138 | 2026-08-02 01:12:56 |