Universal Licensing System
WQMD675
Mastertech Security Services, Inc. dba Central Station Monitoring
License details
| ULS identifier | 3213472 |
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| Call sign | WQMD675 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2020-04-11 |
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| Expiration | 2030-07-08 |
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| Frequency range | 460.9125 MHz |
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| Locations | 2 |
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| Representative location | Vancouver, CLARK, WA |
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| Coordinates | 45.7266667, -122.6530556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:04 |
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Licensee
| Name | Mastertech Security Services, Inc. dba Central Station Monitoring |
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| Applicant type | C |
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| FRN | 0028547164 |
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| Location | Estacada, OR |
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| Address | 303 SW Zobrist Street, Estacada, OR, 97023 |
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| Phone | 5036308961 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 460.91250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 460.91250000 | | | 2.000000 | 2.000000 | |
| 3 | 1 | MO | 460.91250000 | | | 2.000000 | 2.000000 | |
| 4 | 1 | MO | 460.91250000 | | | 2.000000 | 2.000000 | |
| 5 | 1 | FB | 460.91250000 | | | 2.000000 | 2.000000 | |
| 6 | 1 | MO | 460.91250000 | | | 2.000000 | 2.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 460.91250000 | | 11K2F2D |
| 2 | 1 | 460.91250000 | | 11K2F2D |
| 3 | 1 | 460.91250000 | | 11K2F2D |
| 4 | 1 | 460.91250000 | | 11K2F2D |
| 5 | 1 | 460.91250000 | | 11K2F2D |
| 6 | 1 | 460.91250000 | | 11K2F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BEAVERTON, WASHINGTON, OR | 45.51394444, -122.83297222 | | | | |
| 2 | T | SALEM, MARION, OR | 44.85372222, -123.12341667 | | | | N |
| 3 | T | EUGENE, LANE, OR | 44.00094444, -123.10758333 | | | | N |
| 4 | T | WENNATCHEE, CHELAN, WA | 47.46619444, -120.33430556 | | | | N |
| 5 | T | 14600 NE 20th Ave, Vancouver, CLARK, WA | 45.72666667, -122.65305556 | 62.200 m | LTOWER | 45.700 m structure / 45.700 m overall | N |
| 6 | T | | | | | | 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 | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | 22.900 m | | | | 32.000 | |
| 1 | 6 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 15050 SW KOLL PKWY SUITE 1A, BEAVERTON, OR | WASHINGTON | 5036416761 |
| 2 | 303 SW Zobrist St, Estacada, OR | CLACKAMAS | 5036308961 |
License history
| Date | File or call sign | Action |
|---|
| 2023-05-15 | WQMD675 | LIMOD |
| 2020-04-11 | WQMD675 | LIREN |
| 2019-09-20 | WQMD675 | LIASS |
| 2014-07-22 | WQMD675 | LETCNS |
| 2013-10-22 | WQMD675 | LIMOD |
| 2013-03-14 | WQMD675 | LIAUA |
| 2013-03-13 | WQMD675 | ESUAPR |
| 2011-06-25 | WQMD675 | AUTHPR |
| 2011-04-12 | WQMD675 | LETCNS |
| 2010-07-08 | WQMD675 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3213472 | 2026-08-02 01:23:04 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQMD675 | ULS 3213472 | 2026-08-02 01:23:04 |
| Status | A | ULS 3213472 | 2026-08-02 01:23:04 |
| Service | IG | ULS 3213472 | 2026-08-02 01:23:04 |
| Grant Date | 2020-04-11 | ULS 3213472 | 2026-08-02 01:23:04 |
| Expiration Date | 2030-07-08 | ULS 3213472 | 2026-08-02 01:23:04 |