Universal Licensing System
WNWN581
MONTGOMERY COUNTY EMERGENCY COMM AGENCY INC DBA M C E C A
License details
| ULS identifier | 1780738 |
|---|
| Call sign | WNWN581 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2012-09-29 |
|---|
| Expiration | 2022-09-29 |
|---|
| Cancellation | 2022-12-03 |
|---|
| Frequency range | 462.375 - 467.4 MHz (4 frequencies) |
|---|
| Locations | 10 |
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| Representative location | BROWN S CORNER, MONTGOMERY, MD |
|---|
| Coordinates | 39.1212222, -76.9835833 |
|---|
| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:08:53 |
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Licensee
| Name | MONTGOMERY COUNTY EMERGENCY COMM AGENCY INC DBA M C E C A |
|---|
| Applicant type | C |
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| FRN | 0002199495 |
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| Location | IJAMSVILLE, MD |
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| Address | 2335 OAK DRIVE, IJAMSVILLE, MD, 21754 |
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| Phone | 3018740995 |
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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 | FB2 | 462.37500000 | | | 50.000000 | 150.000000 | |
| 2 | 1 | FB2 | 462.37500000 | | | 50.000000 | 150.000000 | |
| 3 | 1 | FB2 | 462.37500000 | | | 50.000000 | 150.000000 | |
| 4 | 1 | FB2 | 462.37500000 | | | 50.000000 | 150.000000 | |
| 5 | 1 | FB2 | 462.37500000 | | | 50.000000 | 94.000000 | |
| 6 | 1 | MO | 462.37500000 | | | 20.000000 | 20.000000 | |
| 7 | 1 | MO | 462.37500000 | | | 20.000000 | 20.000000 | |
| 8 | 1 | MO | 462.37500000 | | | 20.000000 | 20.000000 | |
| 9 | 1 | MO | 462.37500000 | | | 20.000000 | 20.000000 | |
| 10 | 1 | MO | 462.37500000 | | | 20.000000 | 20.000000 | |
| 1 | 1 | FB2 | 462.40000000 | | | 50.000000 | 150.000000 | |
| 2 | 1 | FB2 | 462.40000000 | | | 50.000000 | 150.000000 | |
| 3 | 1 | FB2 | 462.40000000 | | | 50.000000 | 150.000000 | |
| 4 | 1 | FB2 | 462.40000000 | | | 50.000000 | 150.000000 | |
| 5 | 1 | FB2 | 462.40000000 | | | 50.000000 | 94.000000 | |
| 6 | 1 | MO | 462.40000000 | | | 20.000000 | 20.000000 | |
| 7 | 1 | MO | 462.40000000 | | | 20.000000 | 20.000000 | |
| 8 | 1 | MO | 462.40000000 | | | 20.000000 | 20.000000 | |
| 9 | 1 | MO | 462.40000000 | | | 20.000000 | 20.000000 | |
| 10 | 1 | MO | 462.40000000 | | | 20.000000 | 20.000000 | |
| 6 | 1 | MO | 467.37500000 | | | 20.000000 | 20.000000 | |
| 7 | 1 | MO | 467.37500000 | | | 20.000000 | 20.000000 | |
| 8 | 1 | MO | 467.37500000 | | | 20.000000 | 20.000000 | |
| 9 | 1 | MO | 467.37500000 | | | 20.000000 | 20.000000 | |
| 10 | 1 | MO | 467.37500000 | | | 20.000000 | 20.000000 | |
| 6 | 1 | MO | 467.40000000 | | | 20.000000 | 20.000000 | |
| 7 | 1 | MO | 467.40000000 | | | 20.000000 | 20.000000 | |
| 8 | 1 | MO | 467.40000000 | | | 20.000000 | 20.000000 | |
| 9 | 1 | MO | 467.40000000 | | | 20.000000 | 20.000000 | |
| 10 | 1 | MO | 467.40000000 | | | 20.000000 | 20.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 462.37500000 | | 11K0F3E |
| 2 | 1 | 462.37500000 | | 11K0F3E |
| 3 | 1 | 462.37500000 | | 11K0F3E |
| 4 | 1 | 462.37500000 | | 11K0F3E |
| 5 | 1 | 462.37500000 | | 11K0F3E |
| 6 | 1 | 462.37500000 | | 11K0F3E |
| 7 | 1 | 462.37500000 | | 11K0F3E |
| 8 | 1 | 462.37500000 | | 11K0F3E |
| 9 | 1 | 462.37500000 | | 11K0F3E |
| 10 | 1 | 462.37500000 | | 11K0F3E |
| 1 | 1 | 462.40000000 | | 11K0F3E |
| 2 | 1 | 462.40000000 | | 11K0F3E |
| 3 | 1 | 462.40000000 | | 11K0F3E |
| 4 | 1 | 462.40000000 | | 11K0F3E |
| 5 | 1 | 462.40000000 | | 11K0F3E |
| 6 | 1 | 462.40000000 | | 11K0F3E |
| 7 | 1 | 462.40000000 | | 11K0F3E |
| 8 | 1 | 462.40000000 | | 11K0F3E |
| 9 | 1 | 462.40000000 | | 11K0F3E |
| 10 | 1 | 462.40000000 | | 11K0F3E |
| 6 | 1 | 467.37500000 | | 11K0F3E |
| 7 | 1 | 467.37500000 | | 11K0F3E |
| 8 | 1 | 467.37500000 | | 11K0F3E |
| 9 | 1 | 467.37500000 | | 11K0F3E |
| 10 | 1 | 467.37500000 | | 11K0F3E |
| 6 | 1 | 467.40000000 | | 11K0F3E |
| 7 | 1 | 467.40000000 | | 11K0F3E |
| 8 | 1 | 467.40000000 | | 11K0F3E |
| 9 | 1 | 467.40000000 | | 11K0F3E |
| 10 | 1 | 467.40000000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | ROUTE 650 AND ROUTE 108, BROWN S CORNER, MONTGOMERY, MD | 39.12122222, -76.98358333 | 152.000 m | TANK | 31.000 m structure / 37.000 m overall | N |
| 2 | T | 19200 JERUSALEM RD, POOLESVILLE, MONTGOMERY, MD | 39.16372222, -77.40055556 | 142.000 m | TOWER | 54.000 m structure / 60.000 m overall | N |
| 3 | T | 101 MONROE ST, ROCKVILLE, MONTGOMERY, MD | 39.08094444, -77.14691667 | 123.000 m | B | 75.000 m structure / 81.000 m overall | N |
| 4 | T | 801 SLIGO AVENUE, SILVER SPRING, MONTGOMERY, MD | 38.99511111, -77.02497222 | 106.000 m | TOWER | 15.000 m structure / 21.000 m overall | N |
| 5 | T | 8602 GAMBRILL PARK ROAD, FREDERICK, FREDERICK, MD | 39.47038889, -77.49222222 | 476.000 m | TOWER | 12.000 m structure / 15.000 m overall | N |
| 6 | T | | | | | | |
| 7 | T | | | | | | |
| 8 | T | | | | | | |
| 9 | T | | | | | | |
| 10 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 37.000 m | | | | 80.000 | |
| 1 | 2 | T | | 60.000 m | | | | 93.000 | |
| 1 | 3 | T | | 81.000 m | | | | 93.000 | |
| 1 | 4 | T | | 21.000 m | | | | 58.000 | |
| 1 | 5 | T | | 15.000 m | | | | 288.000 | |
| 1 | 6 | T | | | | | | | |
| 1 | 7 | T | | | | | | | |
| 1 | 8 | T | | | | | | | |
| 1 | 9 | T | | | | | | | |
| 1 | 10 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 2335 Oak Drive, Ijamsville, MD | FREDERICK | 3018740995 |
License history
| Date | File or call sign | Action |
|---|
| 2022-12-03 | WNWN581 | LIEXP |
| 2022-07-04 | WNWN581 | LETRES |
| 2013-01-29 | WNWN581 | LIMOD |
| 2013-01-28 | WNWN581 | ESUAPR |
| 2013-01-09 | WNWN581 | ESUAPR |
| 2013-01-04 | WNWN581 | ESUAPR |
| 2012-10-01 | WNWN581 | LTSAPR |
| 2012-09-29 | WNWN581 | LIREN |
| 2012-07-09 | WNWN581 | LETRES |
| 2002-08-23 | WNWN581 | LIREN |
| 2002-07-08 | WNWN581 | LETRES |
| 2001-11-16 | WNWN581 | AUDOPR |
| 2000-11-23 | WNWN581 | LICCNV |
| 2000-03-15 | WNWN581 | LIMOD |
| 2000-03-15 | WNWN581 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1780738 | 2026-08-02 01:08:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNWN581 | ULS 1780738 | 2026-08-02 01:08:53 |
| Status | E | ULS 1780738 | 2026-08-02 01:08:53 |
| Service | IG | ULS 1780738 | 2026-08-02 01:08:53 |
| Grant Date | 2012-09-29 | ULS 1780738 | 2026-08-02 01:08:53 |
| Expiration Date | 2022-09-29 | ULS 1780738 | 2026-08-02 01:08:53 |
| Cancellation Date | 2022-12-03 | ULS 1780738 | 2026-08-02 01:08:53 |