Universal Licensing System
WPNW409
MT AIRY SERVICE CO INC
License details
| ULS identifier | 1807877 |
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| Call sign | WPNW409 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1999-07-15 |
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| Expiration | 2004-07-15 |
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| Cancellation | 2004-09-26 |
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| Frequency range | 464.5 - 467.925 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | CARROLL, MD |
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| Coordinates | 39.5439722, -78.0208333 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:53 |
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Licensee
| Name | MT AIRY SERVICE CO INC |
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| Applicant type | C |
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| Location | MT AIRY, MD |
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| Address | MT AIRY, MD, 21771 |
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| Phone | 3018074445 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | MOI | 464.50000000 | | | 5.000000 | | |
| 1 | 1 | MOI | 464.55000000 | | | 5.000000 | | |
| 2 | 1 | MO | 467.85000000 | | | 2.000000 | | |
| 2 | 1 | MO | 467.92500000 | | | 2.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.50000000 | | 13K6F3E |
| 1 | 1 | 464.55000000 | | 13K6F3E |
| 2 | 1 | 467.85000000 | | 13K6F3E |
| 2 | 1 | 467.92500000 | | 13K6F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | US | | | | | |
| 2 | T | CARROLL, MD | 39.54397222, -78.02083333 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 3085 WOMDSOR PL DR, NEW WINDSOR, MD | | 3018074445 |
License history
| Date | File or call sign | Action |
|---|
| 2004-09-26 | WPNW409 | LIEXP |
| 2004-04-26 | WPNW409 | LETRES |
| 2000-11-23 | WPNW409 | LICCNV |
| 1999-07-15 | WPNW409 | AUTHPR |
| 1999-07-15 | WPNW409 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1807877 | 2026-08-02 01:26:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPNW409 | ULS 1807877 | 2026-08-02 01:26:53 |
| Status | E | ULS 1807877 | 2026-08-02 01:26:53 |
| Service | IG | ULS 1807877 | 2026-08-02 01:26:53 |
| Grant Date | 1999-07-15 | ULS 1807877 | 2026-08-02 01:26:53 |
| Expiration Date | 2004-07-15 | ULS 1807877 | 2026-08-02 01:26:53 |
| Cancellation Date | 2004-09-26 | ULS 1807877 | 2026-08-02 01:26:53 |